{"id":17312,"date":"2026-09-09T13:24:29","date_gmt":"2026-09-09T05:24:29","guid":{"rendered":"https:\/\/www.wehopower.com\/?post_type=news&#038;p=17312"},"modified":"2026-11-02T14:42:07","modified_gmt":"2026-11-02T06:42:07","slug":"12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose","status":"publish","type":"news","link":"https:\/\/www.wehopower.com\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/","title":{"rendered":"12V vs 24V LED Strip Power Supply: Which Voltage Should You Choose?"},"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\">\u0935\u093f\u0937\u092f\u0938\u0942\u091a\u0940<\/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;\">\u091f\u0949\u0917\u0932<\/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\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#Introduction\" >\u092a\u0930\u093f\u091a\u092f<\/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\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#How_LED_Strip_Voltage_Affects_Power_Supply_Selection\" >How LED Strip Voltage Affects Power Supply Selection<\/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\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#12V_LED_Strip_Power_Supplies_Explained\" >12V LED Strip Power Supplies Explained<\/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\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#Key_Characteristics\" >Key Characteristics<\/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\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#Applications\" >\u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.wehopower.com\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#24V_LED_Strip_Power_Supplies_Explained\" >24V LED Strip Power Supplies Explained<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.wehopower.com\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#Key_Characteristics-2\" >Key Characteristics<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.wehopower.com\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#Applications-2\" >\u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917<\/a><\/li><\/ul><\/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\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#12V_vs_24V_Key_Differences\" >12V vs 24V: Key Differences<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.wehopower.com\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#Voltage_Drop_Over_Cable_Runs\" >Voltage Drop Over Cable Runs<\/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\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#Maximum_Strip_Run_Length\" >Maximum Strip Run Length<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.wehopower.com\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#Wattage_and_Current_Requirements\" >Wattage and Current Requirements<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.wehopower.com\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#Compatibility_with_Dimmers_and_Controllers\" >Compatibility with Dimmers and Controllers<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.wehopower.com\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#Which_Voltage_Should_You_Choose\" >Which Voltage Should You Choose?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.wehopower.com\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#Short_Runs_and_Small_Installations\" >Short Runs and Small Installations<\/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\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#Long_Runs_and_Large-Scale_Projects\" >Long Runs and Large-Scale Projects<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.wehopower.com\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#How_to_Size_Your_Power_Supply\" >How to Size Your Power Supply<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.wehopower.com\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#What_Makes_WEHO_a_Power_Supply_Manufacturer_to_Consider\" >What Makes WEHO a Power Supply Manufacturer to Consider?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.wehopower.com\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#FAQs\" >\u092a\u0942\u091b\u0947 \u091c\u093e\u0928\u0947 \u0935\u093e\u0932\u0947 \u092a\u094d\u0930\u0936\u094d\u0928<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.wehopower.com\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#Is_24V_better_than_12V_for_LED_strips\" >Is 24V better than 12V for LED strips?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.wehopower.com\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#How_far_can_you_run_a_12V_LED_strip_before_voltage_drop\" >How far can you run a 12V LED strip before voltage drop?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.wehopower.com\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#Can_I_use_a_24V_power_supply_with_a_12V_LED_strip\" >Can I use a 24V power supply with a 12V LED strip?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.wehopower.com\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#What_size_power_supply_do_I_need_for_my_LED_strip\" >What size power supply do I need for my LED strip?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.wehopower.com\/hi\/news\/12v-vs-24v-led-strip-power-supply-which-voltage-should-you-choose\/#Conclusion\" >\u0928\u093f\u0937\u094d\u0915\u0930\u094d\u0937<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"introduction\"><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>\u092a\u0930\u093f\u091a\u092f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>For a commercial lighting project, start with the LED strip&#x27;s specified input: a 12V constant-voltage strip needs a compatible 12V constant-voltage supply, while a 24V strip needs a compatible 24V supply. A 24V supply can damage a 12V strip; supplying a 24V strip with 12V may cause dim or improper operation. Check the manufacturer&#x27;s instructions before connecting equipment.<\/p>\n<figure class=\"article-figure\" style=\"text-align:center\"><a href=\"https:\/\/www.wehopower.com\/hi\/product\/hlg-150-150w-12v-24v-36v-48v-waterproof-ip67-led-power-supply-with-pfc\/\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2026\/09\/weho-hlg-150-24-led-strip-workbench.webp\" alt=\"12V vs 24V LED Strip Power Supply: Which Voltage Should You Choose?  title=\" width=\"1200\" height=\"675\" 12v vs 24v led strip power supply: which voltage should you title =\"\"><\/a><figcaption>Application illustration, not a customer installation photo. The WEHO HLG-150-24 is based on an original product photograph; the background was created with AI assistance. The LED strip is not connected. Verify the exact model and strip compatibility before selection.<\/figcaption><\/figure>\n<p>This guide compares 12V and 24V LED strip systems, the effect of cable length and load, and how to size a power supply for retail displays, offices and other lighting projects.<\/p>\n<h2 id=\"how-led-strip-voltage-affects-power-supply-selection\"><span class=\"ez-toc-section\" id=\"How_LED_Strip_Voltage_Affects_Power_Supply_Selection\"><\/span>How LED Strip Voltage Affects Power Supply Selection<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The voltage and operating mode of the power supply must match the strip and any connected controllers. This article discusses constant-voltage LED strips; other LED modules may require a constant-current driver or another specified interface. Confirm the strip&#x27;s voltage, current and controller requirements rather than selecting on voltage alone.<\/p>\n<p>At the same output power, a 24V load draws half the current of a 12V load. For the same two-wire cable resistance, that can reduce cable voltage drop and conductor losses. It does not establish a universal maximum strip length or prove that a higher-voltage power supply has higher conversion efficiency.<\/p>\n<h2 id=\"12v-led-strip-power-supplies-explained\"><span class=\"ez-toc-section\" id=\"12V_LED_Strip_Power_Supplies_Explained\"><\/span>12V LED Strip Power Supplies Explained<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>12V constant-voltage strips are used in residential and small commercial projects, including under-cabinet lighting and displays. They can also appear in vehicle and marine projects, where the actual supply range, transient protection and equipment approvals must be checked separately.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Key_Characteristics\"><\/span>Key Characteristics<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Match a 12V constant-voltage strip to a compatible 12V supply and controls.<\/li>\n<li>At the same power, 12V draws more current than 24V, so cable voltage drop deserves particular attention.<\/li>\n<li>Maximum continuous run length depends on the strip&#x27;s construction, power per metre, feed arrangement and manufacturer&#x27;s limits.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Applications\"><\/span>\u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Under cabinets, shelves, wardrobes and stairs are common uses. Check the strip&#x27;s specified maximum run and the voltage at the load; a particular project length alone does not establish compatibility or brightness.<\/p>\n<h2 id=\"24v-led-strip-power-supplies-explained\"><span class=\"ez-toc-section\" id=\"24V_LED_Strip_Power_Supplies_Explained\"><\/span>24V LED Strip Power Supplies Explained<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>24V constant-voltage strips are used in commercial spaces, cove lighting and residential projects. At the same power and cable resistance they draw less current than 12V strips, which can make cable distribution easier to design. The strip&#x27;s own conductors and manufacturer-specified feed limits still matter.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Key_Characteristics-2\"><\/span>Key Characteristics<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Match a 24V constant-voltage strip to a compatible 24V supply and controls.<\/li>\n<li>At equal power, the current is half that of a 12V load.<\/li>\n<li>Cable losses can be lower under the same conductor and route conditions; 24V does not guarantee uniform brightness at every length.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Applications-2\"><\/span>\u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Offices, retail displays and architectural lighting can use 24V strips where specified. For longer layouts, compare the strip manufacturer&#x27;s maximum feed length, power-feed locations and measured end voltage with the project&#x27;s brightness requirements.<\/p>\n<h2 id=\"12v-vs-24v-key-differences\"><span class=\"ez-toc-section\" id=\"12V_vs_24V_Key_Differences\"><\/span>12V vs 24V: Key Differences<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Voltage_Drop_Over_Cable_Runs\"><\/span>Voltage Drop Over Cable Runs<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Cable resistance causes voltage drop between the supply and the strip. For a simple two-conductor feed, estimate drop using current multiplied by the total resistance of the outgoing and return conductors. The strip&#x27;s own conductors add further drop along its length. Check cable size, both conductor lengths, connections and the LED manufacturer&#x27;s permissible input range; measure at the load under the intended operating conditions.<\/p>\n<p>For equal output power and equal feed resistance, 24V draws half the current, so the feed-cable voltage drop in volts is half as large and resistive cable loss is one quarter as large. Actual layouts, strip designs and brightness performance may differ.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Maximum_Strip_Run_Length\"><\/span>Maximum Strip Run Length<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>There is no universal 5-metre limit for all 12V strips or 10-metre limit for all 24V strips. Use the maximum single-feed length and permitted feed arrangement provided by the specific strip manufacturer. Additional feed points or shorter branches may be required; their wiring and protection must follow the manufacturer&#x27;s instructions and applicable electrical requirements.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Wattage_and_Current_Requirements\"><\/span>Wattage and Current Requirements<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Power equals voltage multiplied by current. For an illustrative 100W constant-voltage load, the nominal current is approximately 8.3A at 12V or 4.2A at 24V. These are arithmetic examples at the load, excluding cable losses and tolerances. Size cables and protective devices using the actual installation conditions and applicable rules rather than choosing wire size from voltage alone.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Compatibility_with_Dimmers_and_Controllers\"><\/span>Compatibility with Dimmers and Controllers<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Check that the controller supports the strip&#x27;s voltage, channel type, control method and required current. Verify its total and per-channel ratings at the selected voltage; a controller rated for 12V does not automatically work at 24V, and its wattage rating does not automatically double. Confirm compatibility between the dimmer, driver and strip before ordering.<\/p>\n<div class=\"table-wrap\" style=\"max-width:100%;overflow-x:auto\">\n<table>\n<thead>\n<tr>\n<th scope=\"col\">Comparison factor<\/th>\n<th scope=\"col\">12V system<\/th>\n<th scope=\"col\">24V system<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Strip and supply<\/td>\n<td>Matching 12V constant-voltage equipment<\/td>\n<td>Matching 24V constant-voltage equipment<\/td>\n<\/tr>\n<tr>\n<td>Nominal current at equal power<\/td>\n<td>Higher<\/td>\n<td>Half the 12V value<\/td>\n<\/tr>\n<tr>\n<td>Feed-cable voltage drop<\/td>\n<td>Depends on current and total cable resistance<\/td>\n<td>Half the drop in volts for the same power and cable resistance<\/td>\n<\/tr>\n<tr>\n<td>Maximum strip run<\/td>\n<td>Follow the specific strip data<\/td>\n<td>Follow the specific strip data<\/td>\n<\/tr>\n<tr>\n<td>Brightness and cable size<\/td>\n<td>Verify by calculation and at the load<\/td>\n<td>Verify by calculation and at the load<\/td>\n<\/tr>\n<tr>\n<td>Dimming and control<\/td>\n<td>Confirm voltage and channel ratings<\/td>\n<td>Confirm voltage and channel ratings<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 id=\"which-voltage-should-you-choose\"><span class=\"ez-toc-section\" id=\"Which_Voltage_Should_You_Choose\"><\/span>Which Voltage Should You Choose?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Short_Runs_and_Small_Installations\"><\/span>Short Runs and Small Installations<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A 12V system can be appropriate for under-cabinet lighting, shelf decoration or an existing compatible 12V installation. Confirm the strip&#x27;s permitted run length, the voltage at its input, and the ratings of the driver, controller and conductors. For vehicles or boats, confirm compatibility with the actual supply and electrical environment.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Long_Runs_and_Large-Scale_Projects\"><\/span>Long Runs and Large-Scale Projects<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A 24V system may reduce feed-cable current for a given load, which can be useful in offices, retail spaces and longer installations. It still needs a compatible strip and a distribution plan based on the specific manufacturer&#x27;s feed limits, cable drop and protection requirements. Divide or add feeds only as permitted by the strip and system instructions.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_to_Size_Your_Power_Supply\"><\/span>How to Size Your Power Supply<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Multiply each strip&#x27;s rated watts per metre by its installed length, then add the power of other loads supplied by the same driver where applicable. Select a supply with suitable output voltage and operating mode, enough current and power at the actual ambient temperature, and appropriate input and environmental ratings. Check the manufacturer&#x27;s derating instructions and leave project-appropriate capacity for tolerances and losses.<\/p>\n<p>For example, a hypothetical 10-metre strip rated at 14.4W\/m has a nominal load of 144W. Adding 20% of the load gives 172.8W as an initial screening figure. If the project instead requires the load to use no more than 80% of the supply rating, the minimum arithmetic rating is 144 \u00f7 0.8 = 180W. These are different ways to express margin, not a substitute for checking derating, controller ratings and cable losses. The example does not imply that the 10 metres may be connected as one continuous run.<\/p>\n<div class=\"table-wrap\" style=\"max-width:100%;overflow-x:auto\">\n<table>\n<thead>\n<tr>\n<th scope=\"col\">Strip length<\/th>\n<th scope=\"col\">Rated power per metre<\/th>\n<th scope=\"col\">Nominal strip load<\/th>\n<th scope=\"col\">Load plus 20% (screening only)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>5m<\/td>\n<td>14.4W\/m<\/td>\n<td>72W<\/td>\n<td>86.4W<\/td>\n<\/tr>\n<tr>\n<td>10m<\/td>\n<td>14.4W\/m<\/td>\n<td>144W<\/td>\n<td>172.8W<\/td>\n<\/tr>\n<tr>\n<td>15m<\/td>\n<td>14.4W\/m<\/td>\n<td>216W<\/td>\n<td>259.2W<\/td>\n<\/tr>\n<tr>\n<td>20m<\/td>\n<td>14.4W\/m<\/td>\n<td>288W<\/td>\n<td>345.6W<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 id=\"what-makes-weho-a-power-supply-manufacturer-to-consider\"><span class=\"ez-toc-section\" id=\"What_Makes_WEHO_a_Power_Supply_Manufacturer_to_Consider\"><\/span>What Makes WEHO a Power Supply Manufacturer to Consider?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>WEHO lists the <a href=\"https:\/\/www.wehopower.com\/hi\/product\/hlg-120-120w-12v-24v-36v-48v-waterproof-ip67-led-power-supply-with-pfc\/\">HLG-120-12<\/a> and <a href=\"https:\/\/www.wehopower.com\/hi\/product\/hlg-150-150w-12v-24v-36v-48v-waterproof-ip67-led-power-supply-with-pfc\/\">\u090f\u091a\u090f\u0932\u091c\u0940-150-24<\/a> as separate 12V and 24V product examples. The pictured models have different ratings and are not interchangeable. Confirm the exact ordered version&#x27;s output regulation mode, strip compatibility, load, input, derating and installation requirements before selection; neither model is presented as the supply for the 144W example above.<\/p>\n<figure class=\"article-figure\" style=\"text-align:center\"><a href=\"https:\/\/www.wehopower.com\/hi\/product\/hlg-120-120w-12v-24v-36v-48v-waterproof-ip67-led-power-supply-with-pfc\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2026\/09\/weho-hlg-120-12-product-view.webp\" alt=\"12V vs 24V LED Strip Power Supply: Which Voltage Should You Choose?  title=\" width=\"1000\" height=\"1000\" 12v vs 24v led strip power supply: which voltage should you title =\"\"><\/a><figcaption>WEHO HLG-120-12 product photograph. Confirm the exact version, output mode and strip compatibility before selection.<\/figcaption><\/figure>\n<h2 id=\"faqs\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>\u092a\u0942\u091b\u0947 \u091c\u093e\u0928\u0947 \u0935\u093e\u0932\u0947 \u092a\u094d\u0930\u0936\u094d\u0928<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Is_24V_better_than_12V_for_LED_strips\"><\/span>Is 24V better than 12V for LED strips?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Neither is universally better. At the same power, 24V can reduce feed current and cable loss, but the strip, controls, supply, feed arrangement and installation must all be compatible. A 12V strip must use its specified supply.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_far_can_you_run_a_12V_LED_strip_before_voltage_drop\"><\/span>How far can you run a 12V LED strip before voltage drop?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>There is no single distance: voltage drop occurs along conductors and depends on the strip and feed design. Use the strip manufacturer&#x27;s maximum run and feed instructions and verify the voltage and brightness at the intended load.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_I_use_a_24V_power_supply_with_a_12V_LED_strip\"><\/span>Can I use a 24V power supply with a 12V LED strip?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Do not connect a 12V constant-voltage strip directly to a 24V supply. The overvoltage can damage it. Use a compatible regulated 12V supply or a properly specified conversion arrangement, following the manufacturer&#x27;s instructions.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_size_power_supply_do_I_need_for_my_LED_strip\"><\/span>What size power supply do I need for my LED strip?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Calculate the total strip load from its rated watts per metre and length, then check voltage, current, supply operating mode, controls, cable losses and environmental derating. Apply the design margin required for the installation and confirm the strip&#x27;s permitted feed arrangement.<\/p>\n<h2 id=\"conclusion\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>\u0928\u093f\u0937\u094d\u0915\u0930\u094d\u0937<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Choose the supply voltage to match the LED strip, then assess load power, current, voltage drop, control compatibility and environmental conditions. At equal power, 24V uses less current, but neither voltage guarantees a particular run length or uniform brightness.<\/p>\n<p>For a commercial lighting project, <a href=\"https:\/\/www.wehopower.com\/hi\/contact\/\">contact WEHO<\/a> with the strip specifications, total and branch loads, required control method, available input supply and installation environment to discuss a suitable power supply.<\/p>","protected":false},"excerpt":{"rendered":"<p>If you are a B2B buyer who is purchasing LED lamps with power supply for commercial lighting projects, you have probably encountered the choice of 12V or 24V. It seems that there is nothing complicated. Just choose a voltage, but if you choose the wrong one, the light strip will not be bright enough, the voltage will be attenuated, and the customer will be dissatisfied. The 12V lamp Plug it into the 24V power supply and burn it directly. The 24V light strip does not light up at all when used on the 12V power supply. If you choose the wrong one, you have to redo it. The materials are wasted, and it is not easy for the customer to explain.<\/p>","protected":false},"author":4,"featured_media":20672,"parent":0,"menu_order":400,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_joinchat":[],"footnotes":""},"news_category":[149,148],"class_list":["post-17312","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\/hi\/wp-json\/wp\/v2\/news\/17312","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wehopower.com\/hi\/wp-json\/wp\/v2\/news"}],"about":[{"href":"https:\/\/www.wehopower.com\/hi\/wp-json\/wp\/v2\/types\/news"}],"author":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/hi\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/hi\/wp-json\/wp\/v2\/comments?post=17312"}],"version-history":[{"count":6,"href":"https:\/\/www.wehopower.com\/hi\/wp-json\/wp\/v2\/news\/17312\/revisions"}],"predecessor-version":[{"id":18150,"href":"https:\/\/www.wehopower.com\/hi\/wp-json\/wp\/v2\/news\/17312\/revisions\/18150"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/hi\/wp-json\/wp\/v2\/media\/20672"}],"wp:attachment":[{"href":"https:\/\/www.wehopower.com\/hi\/wp-json\/wp\/v2\/media?parent=17312"}],"wp:term":[{"taxonomy":"news_category","embeddable":true,"href":"https:\/\/www.wehopower.com\/hi\/wp-json\/wp\/v2\/news_category?post=17312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}