{"id":18363,"date":"2026-10-08T16:03:15","date_gmt":"2026-10-08T08:03:15","guid":{"rendered":"https:\/\/www.wehopower.com\/?post_type=news&#038;p=18363"},"modified":"2026-10-08T16:03:15","modified_gmt":"2026-10-08T08:03:15","slug":"can-a-24v-power-supply-charge-a-12v-battery","status":"publish","type":"news","link":"https:\/\/www.wehopower.com\/th\/news\/can-a-24v-power-supply-charge-a-12v-battery\/","title":{"rendered":"\u0e41\u0e2b\u0e25\u0e48\u0e07\u0e08\u0e48\u0e32\u0e22\u0e44\u0e1f 24V \u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e0a\u0e32\u0e23\u0e4c\u0e08\u0e41\u0e1a\u0e15\u0e40\u0e15\u0e2d\u0e23\u0e35\u0e48 12V \u0e44\u0e14\u0e49\u0e2b\u0e23\u0e37\u0e2d\u0e44\u0e21\u0e48"},"content":{"rendered":"<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\/can-a-24v-power-supply-charge-a-12v-battery\/#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\/can-a-24v-power-supply-charge-a-12v-battery\/#Why_a_24V_Power_Supply_Must_NOT_Be_Used_to_Charge_a_12V_Battery\" >Why a 24V Power Supply Must NOT Be Used to Charge a 12V Battery<\/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\/can-a-24v-power-supply-charge-a-12v-battery\/#What_Happens_If_You_Connect_24V_to_a_12V_Battery\" >What Happens If You Connect 24V to a 12V Battery<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.wehopower.com\/th\/news\/can-a-24v-power-supply-charge-a-12v-battery\/#Safe_Industrial_Charging_Methods\" >Safe Industrial Charging Methods<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.wehopower.com\/th\/news\/can-a-24v-power-supply-charge-a-12v-battery\/#DC-DC_Converter_with_CCCV_Control\" >DC-DC Converter with CC\/CV Control<\/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\/can-a-24v-power-supply-charge-a-12v-battery\/#Dedicated_Battery_Charging_Controller\" >Dedicated Battery Charging Controller<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.wehopower.com\/th\/news\/can-a-24v-power-supply-charge-a-12v-battery\/#Industrial_Charging_System\" >Industrial Charging System<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.wehopower.com\/th\/news\/can-a-24v-power-supply-charge-a-12v-battery\/#Critical_Mistakes_That_Lead_to_Battery_Failure_or_Fire\" >Critical Mistakes That Lead to Battery Failure or Fire<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.wehopower.com\/th\/news\/can-a-24v-power-supply-charge-a-12v-battery\/#Why_Simple_Power_Supplies_Are_NOT_Chargers\" >Why Simple Power Supplies Are NOT Chargers<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.wehopower.com\/th\/news\/can-a-24v-power-supply-charge-a-12v-battery\/#Why_Choose_WEHO_as_Your_Trusted_Power_Supply_Manufacturer\" >Why Choose WEHO as Your Trusted Power Supply Manufacturer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.wehopower.com\/th\/news\/can-a-24v-power-supply-charge-a-12v-battery\/#FAQs\" >\u0e04\u0e33\u0e16\u0e32\u0e21\u0e17\u0e35\u0e48\u0e1e\u0e1a\u0e1a\u0e48\u0e2d\u0e22<\/a><\/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\/can-a-24v-power-supply-charge-a-12v-battery\/#Conclusion\" >\u0e1a\u0e17\u0e2a\u0e23\u0e38\u0e1b<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Introduction\"><\/span><span style=\"font-family: georgia, palatino, serif;\"><strong><b>\u0e01\u0e32\u0e23\u0e41\u0e19\u0e30\u0e19\u0e33<\/b><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-family: georgia, palatino, serif;\">Battery charging operation is widely used in the daily maintenance of industrial equipment; Many on-site workers encounter a practical problem: can the existing<span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" title=\"PSC-350 12V 24V Ac \u0e40\u0e1b\u0e47\u0e19 Dc Ups \u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e30\u0e01\u0e31\u0e19 3 \u0e1b\u0e35\u0e01\u0e32\u0e23\u0e2a\u0e25\u0e31\u0e1a\u0e1e\u0e32\u0e27\u0e40\u0e27\u0e2d\u0e23\u0e4c\u0e0b\u0e31\u0e1e\u0e1e\u0e25\u0e32\u0e22\" href=\"https:\/\/www.wehopower.com\/th\/product\/psc-350-12v-24v-ac-to-dc-ups-3-years-warranty-switching-power-supply\/\" target=\"_blank\" rel=\"noopener\"> <strong><b>24V power supply<\/b><\/strong><\/a><\/span>\u00a0equipment be directly used to charge 12V batteries. Many staff members rely on their accumulated intuitive experience to make judgments that as long as the power output voltage is higher than the rated voltage of the battery itself, the charging work can be completed smoothly. However, staff members often overlook the basic requirement of matching voltage and current parameters in the battery charging process. This one-sided understanding will lay many safety hazards for on-site operations; When the situation is mild, the battery body is directly damaged. In severe cases, the battery may experience thermal runaway, further triggering major safety accidents such as fire and explosion. This article analyzes the on-site operation problem, sorts out the various safety risks that may arise from directly connecting a <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" title=\"PSC-350 12V 24V Ac \u0e40\u0e1b\u0e47\u0e19 Dc Ups \u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e30\u0e01\u0e31\u0e19 3 \u0e1b\u0e35\u0e01\u0e32\u0e23\u0e2a\u0e25\u0e31\u0e1a\u0e1e\u0e32\u0e27\u0e40\u0e27\u0e2d\u0e23\u0e4c\u0e0b\u0e31\u0e1e\u0e1e\u0e25\u0e32\u0e22\" href=\"https:\/\/www.wehopower.com\/th\/product\/psc-350-12v-24v-ac-to-dc-ups-3-years-warranty-switching-power-supply\/\" target=\"_blank\" rel=\"noopener\"><strong><b>24V power supply<\/b><\/strong><\/a>\u00a0<\/span>to a 12V battery, lists feasible and legitimate charging methods in industrial scenarios, organizes high-risk error practices that are prone to occur during on-site operations, distinguishes the actual differences between ordinary power supply equipment and professional charging equipment, and summarizes the safety operation norms that are suitable for on-site operations.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Why_a_24V_Power_Supply_Must_NOT_Be_Used_to_Charge_a_12V_Battery\"><\/span><span style=\"font-family: georgia, palatino, serif;\"><strong><b>Why a 24V Power Supply Must NOT Be Used to Charge a 12V Battery<\/b><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-family: georgia, palatino, serif;\">Battery charging has a basic working principle, and the output voltage of the power supply needs to match the rated working voltage of the battery. The commonly seen 12V lead-acid batteries and 12V lithium batteries on the market have a preset charging termination voltage that is fixed within a specific range; The maximum charging voltage that this type of battery can withstand generally does not exceed 14.4V. The<span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" title=\"PSC-350 12V 24V Ac \u0e40\u0e1b\u0e47\u0e19 Dc Ups \u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e30\u0e01\u0e31\u0e19 3 \u0e1b\u0e35\u0e01\u0e32\u0e23\u0e2a\u0e25\u0e31\u0e1a\u0e1e\u0e32\u0e27\u0e40\u0e27\u0e2d\u0e23\u0e4c\u0e0b\u0e31\u0e1e\u0e1e\u0e25\u0e32\u0e22\" href=\"https:\/\/www.wehopower.com\/th\/product\/psc-350-12v-24v-ac-to-dc-ups-3-years-warranty-switching-power-supply\/\" target=\"_blank\" rel=\"noopener\"> <strong><b>24V power supply<\/b><\/strong><\/a>\u00a0<\/span>outputs a constant voltage during operation, which significantly exceeds the maximum charging voltage that a 12V battery can withstand. The operators only rely on the voltage difference to directly connect the <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" title=\"PSC-350 12V 24V Ac \u0e40\u0e1b\u0e47\u0e19 Dc Ups \u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e30\u0e01\u0e31\u0e19 3 \u0e1b\u0e35\u0e01\u0e32\u0e23\u0e2a\u0e25\u0e31\u0e1a\u0e1e\u0e32\u0e27\u0e40\u0e27\u0e2d\u0e23\u0e4c\u0e0b\u0e31\u0e1e\u0e1e\u0e25\u0e32\u0e22\" href=\"https:\/\/www.wehopower.com\/th\/product\/psc-350-12v-24v-ac-to-dc-ups-3-years-warranty-switching-power-supply\/\" target=\"_blank\" rel=\"noopener\"><strong><b>24V power supply<\/b><\/strong><\/a><\/span>\u00a0to the 12V battery power supply circuit. The power supply equipment itself does not automatically limit the output current, and the equipment cannot automatically cut off the power supply circuit after the battery is fully charged. The design purpose of a regular regulated power supply is to continuously output a stable rated voltage, and there is no constant current or constant voltage switching function required for battery charging inside the device. After the power supply is connected to the battery circuit, the large voltage difference will generate uncontrolled high current, which will continue to flow into the interior of the battery; The internal electrode plates and cell structure of the battery continuously withstand excessive electrical energy input, and the internal chemical reactions of the battery will deviate from the normal controllable state. The mismatch of voltage parameters is the core reason why it is prohibited to directly charge 12V batteries with <a href=\"https:\/\/www.wehopower.com\/th\/product\/psc-350-12v-24v-ac-to-dc-ups-3-years-warranty-switching-power-supply\/\" target=\"_blank\" rel=\"noopener\"><strong><b>24V power supply<\/b><\/strong><\/a>\u00a0during on-site operations.<\/span><\/p>\n<p><a href=\"https:\/\/www.wehopower.com\/th\/products\/\" target=\"_blank\" rel=\"noopener\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-18694 size-full\" title=\"Power Supply Price: Define an OEM BOM Before Comparing Quotes \u2014 product detail\" src=\"https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/10\/01-product-detail-34.png?quality=85&strip=all\" alt=\"WEHO S-60-24 front terminals, round-perforated enclosure and known-right physical nameplate\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/10\/01-product-detail-34.png?quality=85&strip=all 1536w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/10\/01-product-detail-34-300x200.png?quality=85&strip=all 300w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/10\/01-product-detail-34-1024x683.png?quality=85&strip=all 1024w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/10\/01-product-detail-34-768x512.png?quality=85&strip=all 768w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/10\/01-product-detail-34-18x12.png?quality=85&strip=all 18w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Happens_If_You_Connect_24V_to_a_12V_Battery\"><\/span><span style=\"font-family: georgia, palatino, serif;\"><strong><b>What Happens If You Connect 24V to a 12V Battery<\/b><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-family: georgia, palatino, serif;\">At the moment when the staff completes the wiring operation, the power supply circuit will immediately generate a large current; The temperature of the circuit and wiring terminals rises rapidly, and in a short period of time, phenomena such as overheating and melting of the outer insulation skin may occur; The electrolyte inside the battery rapidly decomposes, and a large amount of gas accumulates inside the enclosed battery casing, causing the battery casing to bulge and deform. Under continuous power on conditions, the temperature of the battery cells continues to rise, and the battery enters a dangerous state of thermal runaway; The battery casing cracks and damages, and the accumulated combustible gas inside leaks out. After the leaked gas comes into contact with surrounding flammable materials, a fire accident will occur. In some extreme work scenarios, intense internal reactions can cause the battery to burst as a whole, with high-temperature debris flying everywhere, not only scratching on-site workers, but also damaging various industrial equipment in the surrounding area. Even if a short period of power does not immediately cause a fire or explosion accident, the internal structure of the battery will still suffer irreversible damage; The storage capacity of the battery rapidly decreases, and the internal resistance continues to increase. When the battery is put into use later, various faults may occur at any time.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Safe_Industrial_Charging_Methods\"><\/span><span style=\"font-family: georgia, palatino, serif;\"><strong><b>Safe Industrial Charging Methods<\/b><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"DC-DC_Converter_with_CCCV_Control\"><\/span><span style=\"font-family: georgia, palatino, serif;\"><strong><b>DC-DC Converter with CC\/CV Control<\/b><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-family: georgia, palatino, serif;\">DC-DC converters can perform voltage reduction on 24V input voltage, adjusting the voltage to match the charging voltage of 12V batteries; The staff can use converter equipment equipped with constant current and constant voltage functions to achieve the two-stage working mode required for battery charging. During the initial charging phase, the device maintains a constant current output; When the battery voltage rises to the preset charging cut-off value, the device automatically switches to constant voltage working mode, and the charging current gradually decreases with the increase of battery power. This type of equipment can be embedded inside complete industrial equipment and is suitable for integration into the overall power supply system; When selecting, the staff checks the power and current parameters of the converter to ensure that the equipment specifications and battery capacity match each other.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dedicated_Battery_Charging_Controller\"><\/span><span style=\"font-family: georgia, palatino, serif;\"><strong><b>Dedicated Battery Charging Controller<\/b><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-family: georgia, palatino, serif;\">A dedicated charging controller is a specialized device developed for battery charging scenarios; The device receives a 24V power input voltage and is equipped with a voltage monitoring module inside, which can detect the working status of the battery in real time. The controller follows the remaining battery power and autonomously adjusts the output voltage and current parameters. When the battery is fully charged, the device automatically reduces the output current or directly disconnects the charging circuit. The device comes with overvoltage, overcurrent, and overheating protection functions. Compared to ordinary DC-DC voltage reduction modules, this device has a more complete protection mechanism for batteries. The device is mostly used in decentralized power supply scenarios such as photovoltaic power supply and energy storage power supply.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Industrial_Charging_System\"><\/span><span style=\"font-family: georgia, palatino, serif;\"><strong><b>Industrial Charging System<\/b><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-family: georgia, palatino, serif;\">A complete industrial charging system integrates multiple functional modules including input rectification, voltage conversion, battery monitoring, multiple safety protections, and human-machine interaction. The entire system uses 24V voltage as the front-end input power supply, and completes parameter calibration before the equipment leaves the factory. It can be adapted to fixed specification 12V battery packs. The system can provide charging services for multiple sets of batteries simultaneously, automatically recording the entire charging data. If the equipment detects abnormal working conditions, it will immediately activate the alarm and shutdown protection mechanism; This system is mostly used in high-power operation scenarios such as factory energy storage and emergency power supply groups, which require high stability. The overall cost of the equipment is relatively high, and the corresponding safety protection redundancy design is also more complete.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Critical_Mistakes_That_Lead_to_Battery_Failure_or_Fire\"><\/span><span style=\"font-family: georgia, palatino, serif;\"><strong><b>Critical Mistakes That Lead to Battery Failure or Fire<\/b><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-family: georgia, palatino, serif;\">Various safety accidents in industrial sites mostly come from the repeated occurrence of non-standard operations by workers; These common operational errors can directly cause battery damage problems, and in severe cases, can even lead to fire accidents. All on-site operators need to focus on avoiding them.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif;\">Firstly, the operator directly connects the <a title=\"PSC-350 12V 24V Ac \u0e40\u0e1b\u0e47\u0e19 Dc Ups \u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e30\u0e01\u0e31\u0e19 3 \u0e1b\u0e35\u0e01\u0e32\u0e23\u0e2a\u0e25\u0e31\u0e1a\u0e1e\u0e32\u0e27\u0e40\u0e27\u0e2d\u0e23\u0e4c\u0e0b\u0e31\u0e1e\u0e1e\u0e25\u0e32\u0e22\" href=\"https:\/\/www.wehopower.com\/th\/product\/psc-350-12v-24v-ac-to-dc-ups-3-years-warranty-switching-power-supply\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\"><strong><b>24V power supply<\/b><\/strong><\/span>\u00a0<\/a>and 12V battery for wiring. Most operators believe that a higher voltage power source can complete the charging process and skip the core step of voltage conversion directly; The voltage difference with a large gap generates uncontrolled high current, which triggers the battery thermal runaway problem in a short period of time. This is the most risky operation method for on-site operations.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif;\">Secondly, use simple devices such as series resistors and high-power light bulbs to limit the charging current. The current limiting method of resistance cannot stably control the current value of the circuit; The battery voltage fluctuates with changes in battery capacity, and the circuit current also continues to change accordingly. The working process of resistors continuously consumes electrical energy, and the equipment itself generates a large amount of heat, resulting in unstable current limiting effect; When the battery is close to full charge, overvoltage problems still occur, making it impossible to achieve effective safety protection.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif;\">Thirdly, choose a regular voltage reduction module without CC\/CV function. Ordinary voltage reducing devices can only perform voltage reduction operations and do not have charging control logic that is compatible with batteries; The device continuously outputs a fixed voltage. After the battery is fully charged, the device will not automatically stop working. The continuous overcharging behavior slowly damages the internal structure of the battery, and this type of problem has a longer incubation period and stronger concealment.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif;\">Fourth, ignore the parameter differences of different battery types and mix charging parameters arbitrarily. The charging cut-off voltages of lead-acid batteries, lithium iron phosphate batteries, and ternary lithium batteries are different from each other; The same set of voltage conversion equipment parameters can only be adapted to a single type of battery. After the operator replaces the battery, if the equipment parameters are not readjusted, the battery may still be damaged due to overcharging.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif;\">Fifth, ignore the issue of matching the specifications of power supply lines and wiring terminals. Even if the conversion equipment selected by the operators meets the requirements of the working conditions, if the diameter of the power cable is too small and the wiring position is loose, a large contact resistance will be generated; Under high current working conditions, the wiring position continues to heat up, igniting the insulation protection layer of the cable. Even if the battery itself is not faulty, the power supply line will become the main source of fire.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Why_Simple_Power_Supplies_Are_NOT_Chargers\"><\/span><span style=\"font-family: georgia, palatino, serif;\"><strong><b>Why Simple Power Supplies Are NOT Chargers<\/b><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-family: georgia, palatino, serif;\">The original intention of designing a regular regulated power supply is to provide continuous and stable operating voltage for various electronic load devices. The control logic of the equipment is fundamentally different from that of professional battery chargers. A regular power supply can only maintain a constant output voltage, and the device does not detect the remaining battery level in real time, nor does it have an automatic shutdown mechanism when fully charged. Batteries belong to energy storage components, and their operating voltage continuously changes throughout the entire charging cycle; The battery charging operation requires the device to dynamically adjust the output current and voltage to adapt to the real-time working status of the battery. Ordinary regulated power supplies do not have such dynamic control capabilities; When the battery is close to full charge, the power supply continues to output the preset voltage, continuously applying pressure to the battery, ultimately causing the battery to overcharge. The current limiting function that comes with some ordinary power supplies is only used to protect the power equipment itself from being burned out, not to protect the battery; After the power current limiting function is triggered, as long as there is a small change in battery voltage, the working state of the device will change accordingly, and it is impossible to stably maintain the constant current and constant voltage state required for battery charging. Relying solely on ordinary regulated power sources cannot meet all the process and safety requirements for battery charging.<\/span><\/p>\n<p><a title=\"PSC-350 12V 24V Ac \u0e40\u0e1b\u0e47\u0e19 Dc Ups \u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e30\u0e01\u0e31\u0e19 3 \u0e1b\u0e35\u0e01\u0e32\u0e23\u0e2a\u0e25\u0e31\u0e1a\u0e1e\u0e32\u0e27\u0e40\u0e27\u0e2d\u0e23\u0e4c\u0e0b\u0e31\u0e1e\u0e1e\u0e25\u0e32\u0e22\" href=\"https:\/\/www.wehopower.com\/th\/product\/psc-350-12v-24v-ac-to-dc-ups-3-years-warranty-switching-power-supply\/\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" class=\"size-full wp-image-18365\" title=\"PSC-350 12V 24V Ac \u0e40\u0e1b\u0e47\u0e19 Dc Ups \u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e30\u0e01\u0e31\u0e19 3 \u0e1b\u0e35\u0e01\u0e32\u0e23\u0e2a\u0e25\u0e31\u0e1a\u0e1e\u0e32\u0e27\u0e40\u0e27\u0e2d\u0e23\u0e4c\u0e0b\u0e31\u0e1e\u0e1e\u0e25\u0e32\u0e22\" src=\"https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/09\/\u672a\u547d\u540d\u7684\u8bbe\u8ba1-6.png?quality=85&strip=all\" alt=\"\u672a\u547d\u540d\u7684\u8bbe\u8ba1 (6)\" width=\"310\" height=\"223\" srcset=\"https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/09\/\u672a\u547d\u540d\u7684\u8bbe\u8ba1-6.png?quality=85&strip=all 310w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/09\/\u672a\u547d\u540d\u7684\u8bbe\u8ba1-6-300x216.png?quality=85&strip=all 300w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/09\/\u672a\u547d\u540d\u7684\u8bbe\u8ba1-6-18x12.png?quality=85&strip=all 18w\" sizes=\"(max-width: 310px) 100vw, 310px\" \/><\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Why_Choose_WEHO_as_Your_Trusted_Power_Supply_Manufacturer\"><\/span><span style=\"font-family: georgia, palatino, serif;\"><strong><b>Why Choose WEHO as Your Trusted Power Supply Manufacturer<\/b><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-family: georgia, palatino, serif;\">The stable operation of industrial power supply systems and charging systems relies on the hardware quality of power equipment and supporting technical services. <a title=\"\u0e40\u0e23\u0e32\u0e42\u0e2e\" href=\"https:\/\/www.wehopower.com\/th\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\"><strong><b>\u0e40\u0e23\u0e32\u0e42\u0e2e<\/b><\/strong><\/span><\/a>\u00a0Enterprise has been investing in power supply research and manufacturing for a long time, with products covering various industrial DC-DC conversion modules, dedicated charging controllers, and complete industrial charging systems. Before leaving the factory, all products of the enterprise undergo multiple rounds of aging testing, overload testing, and high and low temperature environment testing. The equipment is equipped with multiple layers of safety protection circuits inside. <a title=\"\u0e40\u0e23\u0e32\u0e42\u0e2e\" href=\"https:\/\/www.wehopower.com\/th\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\"><strong><b>WEHO&#8217;s<\/b><\/strong><\/span><\/a>\u00a0professional technical team can provide equipment selection services to customers based on actual working conditions such as on-site bus voltage specifications, battery types, and battery capacities, and determine suitable charging operation parameters; The power equipment produced by enterprises can adapt to long-term continuous working conditions and be stably put into complex industrial scenarios such as factory production and outdoor equipment. When customers build a 24V to 12V battery charging system, <a title=\"\u0e40\u0e23\u0e32\u0e42\u0e2e\" href=\"https:\/\/www.wehopower.com\/th\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\"><strong><b>\u0e40\u0e23\u0e32\u0e42\u0e2e<\/b><\/strong><\/span><\/a>\u00a0can provide supporting hardware equipment and technical guidance, effectively reducing the risk of charging system operation failures and safety hazards.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQs\"><\/span><span style=\"font-family: georgia, palatino, serif;\"><strong><b>\u0e04\u0e33\u0e16\u0e32\u0e21\u0e17\u0e35\u0e48\u0e1e\u0e1a\u0e1a\u0e48\u0e2d\u0e22<\/b><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-family: georgia, palatino, serif;\">Q1:What is needed to charge a 12V battery from 24V?<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif;\">A1:To safely complete the 24V to 12V battery charging operation, the core of the operator needs a voltage conversion device equipped with constant current and constant voltage control function to reduce the 24V input voltage to the charging range suitable for the 12V battery; Simultaneously install voltage monitoring and overcurrent\/thermal protection devices. The power and current specifications of the equipment need to be matched with the battery capacity, and power cables and wiring terminals that meet the standards should be selected. Simple and simple voltage reducing devices cannot meet the operational requirements, and charging devices must have dedicated battery charging control logic.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif;\">Q2:Is a switching power supply suitable for battery charging?<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif;\">A2:Ordinary switch mode power supply cannot be directly used for battery charging operations; Conventional switch mode power supplies only have the function of stabilizing output and lack the core control logic of self stopping when the battery is fully charged. A dedicated switch power charger equipped with CC\/CV charging control function, which can be used for battery charging work. When selecting equipment for homework, it is necessary to distinguish between ordinary regulated switching power supplies and dedicated charging switching power supplies. The usage scenarios and functions of the two types of equipment should not be confused.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif;\">Q3:What is the safest industrial solution?<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif;\">A3:The safest charging solution in industrial operation scenarios is the complete industrial charging system; The entire system integrates multiple functions such as voltage conversion, battery monitoring, multiple safety protections, and fault alarms. The equipment parameters have been accurately calibrated at the factory and can be adapted to specified specifications of battery packs, providing higher safety redundancy. When the workspace is limited, workers can also use a DC-DC converter with CC\/CV control combined with a charging controller to build a small charging circuit; All homework scenarios must strictly prohibit direct connection of 24V power supply\u00a0and 12V battery.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><span style=\"font-family: georgia, palatino, serif;\"><strong><b>\u0e1a\u0e17\u0e2a\u0e23\u0e38\u0e1b<\/b><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-family: georgia, palatino, serif;\"><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" title=\"PSC-350 12V 24V Ac \u0e40\u0e1b\u0e47\u0e19 Dc Ups \u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e30\u0e01\u0e31\u0e19 3 \u0e1b\u0e35\u0e01\u0e32\u0e23\u0e2a\u0e25\u0e31\u0e1a\u0e1e\u0e32\u0e27\u0e40\u0e27\u0e2d\u0e23\u0e4c\u0e0b\u0e31\u0e1e\u0e1e\u0e25\u0e32\u0e22\" href=\"https:\/\/www.wehopower.com\/th\/product\/psc-350-12v-24v-ac-to-dc-ups-3-years-warranty-switching-power-supply\/\" target=\"_blank\" rel=\"noopener\"><strong><b>24V power supply<\/b><\/strong><\/a><\/span>\u00a0cannot directly provide charging services for 12V batteries; Mismatching voltage parameters can cause uncontrolled high currents in the power supply circuit, leading to faults such as battery bulging and thermal runaway. In severe cases, it can also cause safety accidents such as fires and explosions. Industrial on-site charging operations must rely on DC-DC converters with constant current and voltage functions, dedicated charging controllers, or complete industrial charging systems to complete voltage conversion work and control the entire charging process. Simple operations such as resistor current limiting and direct power connection are high-risk errors that must be avoided in daily equipment maintenance work. The service target of ordinary regulated power supply is conventional electronic loads, and the equipment does not have the dynamic control ability required for battery charging, which cannot replace professional charging equipment. When enterprises and operators build 24V to 12V industrial charging systems, they can prioritize using <a title=\"\u0e40\u0e23\u0e32\u0e42\u0e2e\" href=\"https:\/\/www.wehopower.com\/th\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\"><strong><b>\u0e40\u0e23\u0e32\u0e42\u0e2e<\/b><\/strong><\/span><\/a>\u00a0brand power products, relying on reliable hardware quality and comprehensive technical services to ensure the stability and safety of battery charging operations in all aspects.<\/span><\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Battery charging operation is widely used in the daily maintenance of industrial equipment; Many on-site workers encounter a practical problem: can the existing 24V power supply\u00a0equipment be directly used to charge 12V batteries. Many staff members rely on their accumulated intuitive experience to make judgments that as long as the power output voltage is higher than the rated voltage of the battery itself, the charging work can be completed smoothly. However, staff members often overlook the basic requirement of matching voltage and current parameters in the battery charging process. This one-sided understanding will lay many safety hazards for on-site operations; When the situation is mild, the battery body is directly damaged. In severe cases, the battery may experience thermal runaway, further triggering major safety accidents such as fire and explosion. This article analyzes the on-site operation problem, sorts out the various safety risks that may arise from directly connecting a 24V power supply\u00a0to a 12V battery, lists feasible and legitimate charging methods in industrial scenarios, organizes high-risk error practices that are prone to occur during on-site operations, distinguishes the actual differences between ordinary power supply equipment and professional charging equipment, and summarizes the safety operation norms that are suitable for on-site operations.<\/p>","protected":false},"author":4,"featured_media":18729,"parent":0,"menu_order":77,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_joinchat":[],"footnotes":""},"news_category":[149,148],"class_list":["post-18363","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\/18363","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=18363"}],"version-history":[{"count":4,"href":"https:\/\/www.wehopower.com\/th\/wp-json\/wp\/v2\/news\/18363\/revisions"}],"predecessor-version":[{"id":18725,"href":"https:\/\/www.wehopower.com\/th\/wp-json\/wp\/v2\/news\/18363\/revisions\/18725"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/th\/wp-json\/wp\/v2\/media\/18729"}],"wp:attachment":[{"href":"https:\/\/www.wehopower.com\/th\/wp-json\/wp\/v2\/media?parent=18363"}],"wp:term":[{"taxonomy":"news_category","embeddable":true,"href":"https:\/\/www.wehopower.com\/th\/wp-json\/wp\/v2\/news_category?post=18363"}],"curies":[{"name":"\u0e2b\u0e19\u0e49\u0e32","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}