{"id":15981,"date":"2026-07-19T13:59:59","date_gmt":"2026-07-19T05:59:59","guid":{"rendered":"https:\/\/www.wehopower.com\/?post_type=news&#038;p=15981"},"modified":"2026-07-20T13:29:35","modified_gmt":"2026-07-20T05:29:35","slug":"how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging","status":"publish","type":"news","link":"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/","title":{"rendered":"\u0e27\u0e34\u0e18\u0e35\u0e43\u0e0a\u0e49\u0e2a\u0e27\u0e34\u0e15\u0e0a\u0e4c\u0e08\u0e48\u0e32\u0e22\u0e44\u0e1f\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e0a\u0e32\u0e23\u0e4c\u0e08\u0e41\u0e1a\u0e15\u0e40\u0e15\u0e2d\u0e23\u0e35\u0e48\u0e25\u0e34\u0e40\u0e18\u0e35\u0e22\u0e21\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22"},"content":{"rendered":"<div>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0e2a\u0e32\u0e23\u0e1a\u0e31\u0e0d<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u0e2a\u0e25\u0e31\u0e1a<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Introduction\" >\u0e01\u0e32\u0e23\u0e41\u0e19\u0e30\u0e19\u0e33<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Basic_Working_Principle_Of_Switching_Power_Supply_Lithium_Battery_Charging\" >Basic Working Principle Of Switching Power Supply Lithium Battery Charging<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Core_Parameter_Standards_For_Safe_Lithium_Battery_Charging\" >Core Parameter Standards For Safe Lithium Battery Charging<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Requirements_For_Charging_Voltage_Accuracy_Current_Range_And_Power_Margin\" >Requirements For Charging Voltage Accuracy, Current Range And Power Margin<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Multiple_Safety_Protection_Mechanisms_Against_Overvoltage_Overcurrent_And_Overheating\" >Multiple Safety Protection Mechanisms Against Overvoltage, Overcurrent And Overheating<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Temperature_Adaptability_And_EMC_Performance_Requirements_For_Industrial_Charging_Scenarios\" >Temperature Adaptability And EMC Performance Requirements For Industrial Charging Scenarios<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Standard_Operation_Process_For_Safe_Switching_Power_Supply_Charging\" >Standard Operation Process For Safe Switching Power Supply Charging<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Check_Lithium_Battery_Type_Rated_Voltage_And_Charging_Specification_Parameters\" >Check Lithium Battery Type, Rated Voltage And Charging Specification Parameters<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Switching_Power_Supply_Selection_Basis_And_Battery_Parameter_Matching_Method\" >Switching Power Supply Selection Basis And Battery Parameter Matching Method<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Standard_Wiring_Grounding_And_BMS_Matching_Requirements\" >Standard Wiring, Grounding And BMS Matching Requirements<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#No-Load_Detection_Formal_Charging_And_Whole-Process_Operation_Monitoring\" >No-Load Detection, Formal Charging And Whole-Process Operation Monitoring<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Common_Charging_Safety_Risks_And_Solutions\" >Common Charging Safety Risks And Solutions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Solutions_For_Battery_Overcharging_Floating_Charging_And_Voltage_Deviation_Problems\" >Solutions For Battery Overcharging, Floating Charging And Voltage Deviation Problems<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Troubleshooting_For_Current_Fluctuation_Equipment_Heat_Generation_And_Abnormal_Noise\" >Troubleshooting For Current Fluctuation, Equipment Heat Generation And Abnormal Noise<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Risk_Avoidance_For_Charging_Safety_Hazards_In_High_And_Low_Temperature_Humid_Environments\" >Risk Avoidance For Charging Safety Hazards In High And Low Temperature, Humid Environments<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Targeted_Solutions_For_Common_Lithium_Battery_Charging_Faults\" >Targeted Solutions For Common Lithium Battery Charging Faults<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Long-Term_Safety_Operation_And_Optimization_Of_Charging_System\" >Long-Term Safety Operation And Optimization Of Charging System<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Equipment_Heat_Dissipation_Optimization_And_Installation_Environment_Adjustment\" >Equipment Heat Dissipation Optimization And Installation Environment Adjustment<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Regular_Inspection_And_Maintenance_Specifications_For_Charging_System_Stability\" >Regular Inspection And Maintenance Specifications For Charging System Stability<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Optimization_Suggestions_For_Long-Term_Safe_Operation_Of_Industrial_Lithium_Charging_Systems\" >Optimization Suggestions For Long-Term Safe Operation Of Industrial Lithium Charging Systems<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Introduction_To_WEHO_Switching_Power_Supply_Advantages_For_Lithium_Charging\" >Introduction To WEHO Switching Power Supply Advantages For Lithium Charging<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Conclusion\" >\u0e1a\u0e17\u0e2a\u0e23\u0e38\u0e1b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#FAQs\" >\u0e04\u0e33\u0e16\u0e32\u0e21\u0e17\u0e35\u0e48\u0e1e\u0e1a\u0e1a\u0e48\u0e2d\u0e22<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Can_ordinary_switching_power_supplies_be_directly_used_for_lithium_battery_charging\" >Can ordinary switching power supplies be directly used for lithium battery charging?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#What_core_parameters_need_to_be_confirmed_before_lithium_battery_charging\" >What core parameters need to be confirmed before lithium battery charging?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#What_are_the_core_causes_of_abnormal_heat_generation_and_charging_failure_of_lithium_batteries\" >What are the core causes of abnormal heat generation and charging failure of lithium batteries?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#Is_BMS_mandatory_when_using_switching_power_supplies_for_lithium_battery_charging\" >Is BMS mandatory when using switching power supplies for lithium battery charging?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/#How_to_ensure_long-term_stable_and_safe_operation_of_industrial_lithium_battery_charging_systems\" >How to ensure long-term stable and safe operation of industrial lithium battery charging systems?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>\u0e01\u0e32\u0e23\u0e41\u0e19\u0e30\u0e19\u0e33<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div>\n<p>As a Procurement Buyer in Energy Equipment Projects, You Need Proper Switching Power Supply for Lithium Battery Charging to Guarantee Charging Safety. Improper Parameter Matching Easily Causes Cell Swelling, Overheating and Severe Safety Hazards. This Guide Covers Cc-Cv Charging Standards, Core Parameter Requirements, Standard Operation Steps and Risk Solutions, Helping You Build Reliable Industrial Lithium Battery Charging Systems with Weho Power Supplies.<\/p>\n<div><\/div>\n<\/div>\n<div>\n<h2><span class=\"ez-toc-section\" id=\"Basic_Working_Principle_Of_Switching_Power_Supply_Lithium_Battery_Charging\"><\/span>Basic Working Principle Of Switching Power Supply Lithium Battery Charging<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div>\n<p>If You Plan to Build a Lithium Battery Charging System with Switching Power Supplies, You First Need to Understand Its Core Working Logic. Unlike Ordinary Power Supply Applications, Lithium Battery Charging Mostly Adopts Cc-Cv (Constant Current Constant Voltage) Two-Stage Mode.<\/p>\n<p>In the Initial Charging Phase, The Power Supply Outputs Stable Constant Current to Quickly Replenish Electricity to the Lithium Battery. When the Cell Voltage Rises to the Rated Threshold, The System Switches to Constant Voltage Mode. The Charging Current Will Automatically Decline Gradually Until the Battery Is Fully Charged.<\/p>\n<p>Many Buyers Mistakenly Use Ordinary Voltage-Stabilized Power Supplies for Direct Charging, Ignoring the Automatic Current-Limiting Conversion Requirement. Such Wrong Operation Will Lead to Continuous Overcharging and Seriously Shorten Battery Service Life. Weho Switching Power Supplies for Lithium Charging Support Customized Cc-Cv Output Curves, Perfectly Matching the Charging Characteristics of Different Lithium Cells.<\/p>\n<\/div>\n<div>\n<h2><span class=\"ez-toc-section\" id=\"Core_Parameter_Standards_For_Safe_Lithium_Battery_Charging\"><\/span>Core Parameter Standards For Safe Lithium Battery Charging<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div>When You Select Equipment for an Industrial Lithium Battery Charging System, A Set of Clear Parameter Standards Must Be Used as the Procurement Screening Benchmark. Parameter Deviation Is the Primary Source of Charging Safety Risks.<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Requirements_For_Charging_Voltage_Accuracy_Current_Range_And_Power_Margin\"><\/span>Requirements For Charging Voltage Accuracy, Current Range And Power Margin<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<p>Voltage Precision Directly Determines the Safety Limit of Lithium Batteries. Even Tiny Voltage Exceeding the Rated Value Will Cause Irreversible Damage to Lithium Cells. For Industrial Scenarios, The Switching Power Supply Should Maintain Voltage Accuracy Within \u00b10.5%.<\/p>\n<p>You Need to Reserve Sufficient Power Margin During Selection. Industry Common Practice Suggests Reserving 30%~50% Extra Power to Avoid the Power Supply Running Under Long-Term Full-Load State. Continuous Full-Load Operation Will Increase Heat Generation and Raise Hidden Dangers of Failure.<\/p>\n<\/div>\n<div>\n<div>\n<div>\n<div>\n<div>\n<table>\n<thead>\n<tr>\n<th>Charging Application Type<\/th>\n<th>Voltage Accuracy Standard<\/th>\n<th>Recommended Power Margin<\/th>\n<th>Continuous Load Limit<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Consumer Lithium Battery Charging<\/td>\n<td>\u00b11.0%<\/td>\n<td>30%<\/td>\n<td>\u226470% rated power<\/td>\n<\/tr>\n<tr>\n<td>General Industrial Lithium Charging<\/td>\n<td>\u00b10.5%<\/td>\n<td>40%<\/td>\n<td>\u226460% rated power<\/td>\n<\/tr>\n<tr>\n<td>High-Safety Energy Storage Lithium System<\/td>\n<td>\u00b1 0.3%<\/td>\n<td>50%<\/td>\n<td>\u226450% rated power<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div><a href=\"https:\/\/www.wehopower.com\/th\/\" target=\"_blank\" rel=\"noopener\">\u0e44\u0e07\u0e25\u0e48\u0e30<\/a> Switching Power Supplies Support High-Precision Output Customization. Strict Voltage Control Meets the Standards of Industrial Lithium Battery Charging System, Avoiding Cell Damage Caused by Voltage Drift During Long-Time Operation.<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Multiple_Safety_Protection_Mechanisms_Against_Overvoltage_Overcurrent_And_Overheating\"><\/span>Multiple Safety Protection Mechanisms Against Overvoltage, Overcurrent And Overheating<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<p>Qualified Switching Power Supplies for Battery Charging Cannot Lack Complete Multi-layer Protection Functions. When Abnormal Conditions Occur in the Charging Loop, The Power Supply Must Quickly Lock Output to Protect Batteries.<\/p>\n<p>Core Essential Protection Functions Include Over-Voltage Protection(Ovp), Over-Current Protection(Ocp), Short-Circuit Protection and Over-Temperature Protection. For Industrial Lithium Charging Occasions, Reverse Connection Protection Is Also Strongly Recommended to Prevent Equipment Damage Caused by Wrong Wiring During On-Site Commissioning.<\/p>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Temperature_Adaptability_And_EMC_Performance_Requirements_For_Industrial_Charging_Scenarios\"><\/span>Temperature Adaptability And EMC Performance Requirements For Industrial Charging Scenarios<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<p>Factory Workshops, Outdoor Energy Storage Stations and Other Industrial Sites Face Complex Environmental Interference. You Should Not Adopt Commercial Power Supplies with Narrow Temperature Range for Industrial Lithium Charging Projects.<\/p>\n<p>The Selected Power Supply Needs to Adapt to Wide Ambient Temperature and Pass Strict Emc Electromagnetic Compatibility Tests. Poor Anti-Interference Performance Will Cause Charging Current Disorder, Leading to Inconsistent Charging Status Among Battery Packs. Weho Charging-Dedicated Switching Power Supplies Adopt Industrial-Grade Components, Supporting Wide Temperature Operation and Built-In Multi-stage Anti-Interference Circuits.<\/p>\n<\/div>\n<div>\n<h2><span class=\"ez-toc-section\" id=\"Standard_Operation_Process_For_Safe_Switching_Power_Supply_Charging\"><\/span>Standard Operation Process For Safe Switching Power Supply Charging<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div>Even with High-Quality Hardware, Non-standard Operation Will Still Bring Hidden Dangers. You Can Follow This Standardized Workflow When Building Your Lithium Battery Charging System.<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Check_Lithium_Battery_Type_Rated_Voltage_And_Charging_Specification_Parameters\"><\/span>Check Lithium Battery Type, Rated Voltage And Charging Specification Parameters<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>Before Connecting Any Circuit, Fully Confirm the Battery Chemistry System: Lithium Iron Phosphate, Ternary Lithium and Lithium Polymer Batteries Have Completely Different Cut-Off Charging Voltage. Never Mix the Charging Parameters of Different Lithium Cells. Record the Maximum Charging Current Specified on the Battery Datasheet as the Upper Limit of Power Supply Setting.<\/div>\n<div>\n<figure id=\"attachment_4535\" aria-describedby=\"caption-attachment-4535\" style=\"width: 804px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.wehopower.com\/th\/products\/\" target=\"_blank\" rel=\"noopener\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-4535 size-full\" title=\"How does an enclosed switching power supply save space and money\" src=\"https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2023\/03\/How-does-an-enclosed-switching-power-supply-save-space-and-money.jpg?quality=85&strip=all\" alt=\"How does an enclosed switching power supply save space and money\" width=\"804\" height=\"565\" srcset=\"https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2023\/03\/How-does-an-enclosed-switching-power-supply-save-space-and-money.jpg?quality=85&strip=all 804w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2023\/03\/How-does-an-enclosed-switching-power-supply-save-space-and-money-300x211.jpg?quality=85&strip=all 300w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2023\/03\/How-does-an-enclosed-switching-power-supply-save-space-and-money-768x540.jpg?quality=85&strip=all 768w\" sizes=\"(max-width: 804px) 100vw, 804px\" \/><\/a><figcaption id=\"caption-attachment-4535\" class=\"wp-caption-text\">How does an enclosed switching power supply save space and money<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Switching_Power_Supply_Selection_Basis_And_Battery_Parameter_Matching_Method\"><\/span>Switching Power Supply Selection Basis And Battery Parameter Matching Method<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<p>Match the Constant Voltage Value of the Power Supply to the Battery Full-Charge Cut-Off Voltage. The Maximum Output Current of the Power Supply Cannot Exceed the Maximum Allowable Charging Current of the Lithium Battery Pack.<\/p>\n<p>Remember: Higher Charging Current Brings Faster Charging Speed, Yet Excessively Large Current Will Accelerate Battery Aging. Balance Charging Efficiency and Service Life According to Your Actual Production Schedule.<\/p>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Standard_Wiring_Grounding_And_BMS_Matching_Requirements\"><\/span>Standard Wiring, Grounding And BMS Matching Requirements<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<p>Reasonable Wiring and Reliable Grounding Can Effectively Restrain Static Electricity and Surge Impact. Thick Enough Cables Should Be Chosen to Reduce Line Voltage Drop During High-Current Charging.<\/p>\n<p>If Your Lithium Battery Pack Does Not Integrate Protection Circuits, You Must Match a Complete Bms Board. Even if You Adopt Weho Multi-protection Switching Power Supply, Bms Is Still an Indispensable Second Safety Barrier for Large-Capacity Lithium Battery Packs.<\/p>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"No-Load_Detection_Formal_Charging_And_Whole-Process_Operation_Monitoring\"><\/span>No-Load Detection, Formal Charging And Whole-Process Operation Monitoring<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<p>After Finishing Wiring, Carry out No-Load Test First Without Connecting Batteries. Verify Whether Output Voltage Stays Within the Normal Range. If All Indexes Are Normal, Connect Batteries to Start Formal Charging.<\/p>\n<p>It Is Advised to Arrange Real-Time Voltage and Current Monitoring Equipment for Long-Running Industrial Charging Systems, So You Can Discover Abnormal Fluctuations at the Earliest Time.<\/p>\n<\/div>\n<div>\n<h2><span class=\"ez-toc-section\" id=\"Common_Charging_Safety_Risks_And_Solutions\"><\/span>Common Charging Safety Risks And Solutions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div>During Project Operation, Various Abnormal Charging Failures Frequently Appear. Mastering Corresponding Solutions Helps You Reduce Downtime and Safety Risks.<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Solutions_For_Battery_Overcharging_Floating_Charging_And_Voltage_Deviation_Problems\"><\/span>Solutions For Battery Overcharging, Floating Charging And Voltage Deviation Problems<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<p>Overcharging Is the Most Dangerous Fault for Lithium Batteries. It Usually Happens When the Power Supply Lacks Automatic Voltage Reduction Function After Reaching Full Charge.<\/p>\n<p>If You Encounter Continuous Floating Charging, Check Whether the Cc-Cv Logic of the Switching Power Supply Works Normally. Voltage Deviation Mostly Arises from Long-Distance Line Loss or Component Aging. You Can Choose High-Precision Switching Power Supplies and Properly Thicken Transmission Wires to Ease This Problem.<\/p>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Troubleshooting_For_Current_Fluctuation_Equipment_Heat_Generation_And_Abnormal_Noise\"><\/span>Troubleshooting For Current Fluctuation, Equipment Heat Generation And Abnormal Noise<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<p>Unstable Charging Current Is Mostly Caused by Poor Emc Resistance or Aging Internal Components. Excessive Heat Generation Generally Results from Insufficient Power Margin, Blocked Heat Dissipation Channel or Long-Term Overload.<\/p>\n<p>When Obvious Abnormal Noise Appears During Charging, Stop Operation Immediately and Inspect if Internal Inductors or Circuit Boards Are Loose. Do Not Continue Running Equipment Before Troubleshooting.<\/p>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Risk_Avoidance_For_Charging_Safety_Hazards_In_High_And_Low_Temperature_Humid_Environments\"><\/span>Risk Avoidance For Charging Safety Hazards In High And Low Temperature, Humid Environments<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<p>Lithium Battery Chemical Activity Changes Sharply Under Extreme Temperature. Charging Speed Needs to Be Reduced Under Ultra-Low Temperature to Prevent Lithium Precipitation Inside Cells. In High-Temperature and Humid Workshops, Pay Attention to Moisture-Proof and Ventilation Layout of Charging Equipment.<\/p>\n<p>Commercial Switching Power Supplies Easily Fail Under Such Harsh Environments, While Weho Industrial Models Are Designed to Cope with Changeable Industrial Working Conditions.<\/p>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Targeted_Solutions_For_Common_Lithium_Battery_Charging_Faults\"><\/span>Targeted Solutions For Common Lithium Battery Charging Faults<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<p>Common Faults Include Slow Charging, Automatic Stop Charging and Inconsistent Voltage of Series Battery Cells. Most Problems Originate from Mismatched Power Parameters, Damaged Bms or Aging Single Cells Inside the Pack.<\/p>\n<p>Form Regular Inspection Schedules to Record Charging Data. Long-Term Data Tracking Can Help You Predict Potential Faults in Advance.<\/p>\n<\/div>\n<div>\n<h2><span class=\"ez-toc-section\" id=\"Long-Term_Safety_Operation_And_Optimization_Of_Charging_System\"><\/span>Long-Term Safety Operation And Optimization Of Charging System<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div>Once the Industrial Lithium Battery Charging System Is Put into Use, Continuous Optimization and Maintenance Determine Its Long-Term Safety Performance.<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Equipment_Heat_Dissipation_Optimization_And_Installation_Environment_Adjustment\"><\/span>Equipment Heat Dissipation Optimization And Installation Environment Adjustment<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>Heat Accumulation Greatly Shortens the Service Life of Switching Power Supplies and Lithium Batteries. Reserve Enough Ventilation Space Around Power Equipment, Avoid Sealed Narrow Cabinets Without Active Heat Dissipation. If Multiple Power Supplies Work in Parallel, Arrange Them at Intervals to Prevent Heat Accumulation.<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Regular_Inspection_And_Maintenance_Specifications_For_Charging_System_Stability\"><\/span>Regular Inspection And Maintenance Specifications For Charging System Stability<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>Set Fixed Maintenance Cycles: Check Wiring Tightness, Surface Temperature of Power Supplies, And Battery Appearance Every 1~3 Months. Clean Accumulated Dust on Radiators Regularly, Because Dust Will Seriously Block Heat Dissipation Channels.<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Optimization_Suggestions_For_Long-Term_Safe_Operation_Of_Industrial_Lithium_Charging_Systems\"><\/span>Optimization Suggestions For Long-Term Safe Operation Of Industrial Lithium Charging Systems<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>For Continuous 24-Hour Running Charging Stations, You Can Properly Reduce the Actual Operating Load of Switching Power Supplies. Adopt Independent Power Distribution Loops for Charging Equipment, And Separate Them from High-Interference Equipment Such as Inverters and Welding Machines.<\/div>\n<div>\n<h2><span class=\"ez-toc-section\" id=\"Introduction_To_WEHO_Switching_Power_Supply_Advantages_For_Lithium_Charging\"><\/span>Introduction To WEHO Switching Power Supply Advantages For Lithium Charging<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div>\n<p>Aiming at the Application Demands of Switching Power Supply for Battery Charging and Industrial Lithium Battery Charging System Construction, Weho Develops Dedicated Switching Power Supply Series Supporting Cc-Cv Constant Current Constant Voltage Charging Mode.<\/p>\n<p>Our Power Supplies Support Adjustable High-Precision Output Voltage and Current, With Built-In Complete Ovp, Ocp, Otp, Short-Circuit and Reverse Connection Multi-protection. Industrial-Grade Component Configuration Realizes Stable Operation in Wide Temperature Range. All Products Pass Ce, Ul, Rohs Authoritative Certifications.<\/p>\n<p>Whether You Need Small-Capacity Lithium Equipment Charging or Large-Scale Industrial Energy Storage Charging System Supporting, Weho Can Provide Parameter Customization Service, Helping You Avoid Safety Risks Caused by Power Mismatch in Lithium Charging Projects.<\/p>\n<\/div>\n<div>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>\u0e1a\u0e17\u0e2a\u0e23\u0e38\u0e1b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div>\n<p>Safe Deployment of Switching Power Supply for Lithium Battery Charging Relies on Accurate Parameter Matching, Complete Protection Configuration and Standardized Operation. You Must Strictly Follow Constant Current Constant Voltage Charging Standards and Strengthen Daily Maintenance to Eliminate Potential Risks in Industrial Lithium Battery Charging System.<\/p>\n<p>Call to Action: Select Weho Dedicated Switching Power Supply for Lithium Charging to Build Stable and Safe Cc-Cv Charging Systems. <a href=\"https:\/\/www.wehopower.com\/th\/contact\/\" target=\"_blank\" rel=\"noopener\">Contact Our Technical Team<\/a> to Obtain Parameter Matching Suggestions and One-Stop Procurement Solutions for Your Lithium Battery Charging Projects.<\/p>\n<\/div>\n<div>\n<h2><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>\u0e04\u0e33\u0e16\u0e32\u0e21\u0e17\u0e35\u0e48\u0e1e\u0e1a\u0e1a\u0e48\u0e2d\u0e22<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Can_ordinary_switching_power_supplies_be_directly_used_for_lithium_battery_charging\"><\/span>Can ordinary switching power supplies be directly used for lithium battery charging?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>Generally Not. Ordinary Constant Voltage Switching Power Supplies Lack Automatic Constant Current Conversion Function. Without Bms Protection, They Will Cause Continuous Overcharging of Lithium Batteries and Bring Severe Safety Hazards. You Need Power Supplies That Support Cc-Cv Mode.<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"What_core_parameters_need_to_be_confirmed_before_lithium_battery_charging\"><\/span>What core parameters need to be confirmed before lithium battery charging?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>You Need to Confirm Lithium Battery Material System, Full-Charge Cut-Off Voltage, Maximum Allowable Charging Current, Operating Temperature Range, And Whether the Battery Pack Is Equipped with Bms Protection Board. Then Match Corresponding Switching Power Supply Specifications.<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"What_are_the_core_causes_of_abnormal_heat_generation_and_charging_failure_of_lithium_batteries\"><\/span>What are the core causes of abnormal heat generation and charging failure of lithium batteries?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>Main Reasons Include Mismatched Charging Current, Aging Single Cells Inside Battery Packs, Poor Heat Dissipation Environment, Failure of Bms Protection Circuit, And Power Supply Output Voltage Exceeding the Battery Rated Threshold.<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Is_BMS_mandatory_when_using_switching_power_supplies_for_lithium_battery_charging\"><\/span>Is BMS mandatory when using switching power supplies for lithium battery charging?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>It Is Strongly Recommended and Basically Mandatory for Industrial Projects. Even if You Adopt Multi-protection Switching Power Supply, Bms Serves as the Second Safety Barrier, Which Can Monitor the Voltage of Each Single Cell to Prevent Overcharging and Over-Discharging of Series Batteries.<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"How_to_ensure_long-term_stable_and_safe_operation_of_industrial_lithium_battery_charging_systems\"><\/span>How to ensure long-term stable and safe operation of industrial lithium battery charging systems?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>Choose Industrial-Grade Cc-Cv Switching Power Supplies, Reserve Sufficient Power Margin, Optimize Heat Dissipation Layout, Implement Regular Maintenance, Configure Complete Bms Protection, And Avoid Charging Lithium Batteries Beyond the Specified Temperature Range.<\/div>","protected":false},"excerpt":{"rendered":"<p>Introduction As a Procurement Buyer in Energy Equipment Projects, You Need Proper Switching Power Supply for Lithium Battery Charging to Guarantee Charging Safety. Improper Parameter Matching Easily Causes Cell Swelling, Overheating and Severe Safety Hazards. This Guide Covers Cc-Cv Charging Standards, Core Parameter Requirements, Standard Operation Steps and Risk Solutions, Helping You Build Reliable Industrial&hellip; <a class=\"more-link\" href=\"https:\/\/www.wehopower.com\/th\/news\/how-to-safely-use-a-switching-power-supply-for-lithium-battery-charging\/\">\u0e2d\u0e48\u0e32\u0e19\u0e15\u0e48\u0e2d <span class=\"screen-reader-text\">\u0e27\u0e34\u0e18\u0e35\u0e43\u0e0a\u0e49\u0e2a\u0e27\u0e34\u0e15\u0e0a\u0e4c\u0e08\u0e48\u0e32\u0e22\u0e44\u0e1f\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e0a\u0e32\u0e23\u0e4c\u0e08\u0e41\u0e1a\u0e15\u0e40\u0e15\u0e2d\u0e23\u0e35\u0e48\u0e25\u0e34\u0e40\u0e18\u0e35\u0e22\u0e21\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22<\/span><\/a><\/p>","protected":false},"author":4,"featured_media":16030,"parent":0,"menu_order":144,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_joinchat":[],"footnotes":""},"news_category":[149,148],"class_list":["post-15981","news","type-news","status-publish","format-standard","has-post-thumbnail","hentry","news_category-blog","news_category-industry-news","entry"],"acf":[],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.wehopower.com\/th\/wp-json\/wp\/v2\/news\/15981","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wehopower.com\/th\/wp-json\/wp\/v2\/news"}],"about":[{"href":"https:\/\/www.wehopower.com\/th\/wp-json\/wp\/v2\/types\/news"}],"author":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/th\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/th\/wp-json\/wp\/v2\/comments?post=15981"}],"version-history":[{"count":3,"href":"https:\/\/www.wehopower.com\/th\/wp-json\/wp\/v2\/news\/15981\/revisions"}],"predecessor-version":[{"id":16031,"href":"https:\/\/www.wehopower.com\/th\/wp-json\/wp\/v2\/news\/15981\/revisions\/16031"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/th\/wp-json\/wp\/v2\/media\/16030"}],"wp:attachment":[{"href":"https:\/\/www.wehopower.com\/th\/wp-json\/wp\/v2\/media?parent=15981"}],"wp:term":[{"taxonomy":"news_category","embeddable":true,"href":"https:\/\/www.wehopower.com\/th\/wp-json\/wp\/v2\/news_category?post=15981"}],"curies":[{"name":"\u0e2b\u0e19\u0e49\u0e32","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}