{"product_id":"vt-series-pwm-solar-charge-controller-30a-40a-60a-12v-24v-36v-48v-lead-acid-lithium","title":"VT Series PWM Solar Charge Controller – 30A \/ 40A \/ 60A, 12V\/24V\/36V\/48V, Lead-Acid \u0026 Lithium","description":"\u003ch2\u003e📋 Overview\u003c\/h2\u003e\n\u003cp\u003eThe VT Series PWM Solar Charge Controllers are a heavy-duty upgrade for off-grid solar systems, regulating power between your solar array and battery bank to protect against overcharging. Unlike our \u003ca href=\"products\/12v-24v-10a-20a-30a-40a-60a-solar-panel-battery-regulator-charge-controller-with-usb-outputs\" title=\"Standard PWM Solar Charge Controllers\" rel=\"noopener\" target=\"_blank\"\u003estandard-line controllers\u003c\/a\u003e, the VT Series charges both lead-acid (Gel, Sealed, Flooded) and lithium (LiFePO4, LiConMnNiO2) batteries with user-defined parameter support, accepts up to 100V of solar input, and is built with a larger housing and heavier terminals for demanding installations. Choose from three current ratings — 30A, 40A, or 60A — to match your system size.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e⭐ Key Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Battery Chemistry Support\u003c\/strong\u003e — Charges lead-acid batteries (Gel, Sealed, Flooded) and lithium batteries (LiFePO4, LiConMnNiO2), with user-defined charging parameters for both.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility\u003c\/strong\u003e — Supports 12V, 24V, 36V, and 48V battery banks. 12V, 24V, and 48V are auto-detected; 36V systems are set manually.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Input Voltage\u003c\/strong\u003e — Accepts solar array input up to 100V open-circuit voltage, so you can wire more panels in series.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacklit LCD Display\u003c\/strong\u003e — Easy-to-read status and settings screen, even in low light.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuad USB Charging Ports\u003c\/strong\u003e — 4× USB outputs at 5V\/2A each (2 per side) for charging phones, tablets, and other devices directly from the controller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Mounting\u003c\/strong\u003e — Metal mounting lugs on both sides for secure wall or cabinet installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Terminals\u003c\/strong\u003e — 6 large-aperture terminal blocks with wider spacing accept thicker cable (6AWG for 30A\/40A models, 4AWG for 60A model) for high-current wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Heat Dissipation\u003c\/strong\u003e — Larger housing and bigger heat sink keep the controller stable under extended full-load operation in high heat.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e📊 Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVT40-30A \/ VT40-40A \/ VT60-60A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Charge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30A \/ 40A \/ 60A (select at checkout)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Discharge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20A (30A \u0026amp; 40A models) \/ 30A (60A model)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax PV Open Circuit Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;100V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V\/24V\/48V (Auto) \/ 36V (Manual)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePV Max Input Power @ 12V\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e390W \/ 520W \/ 780W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePV Max Input Power @ 24V\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e780W \/ 1040W \/ 1560W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePV Max Input Power @ 36V\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1170W \/ 1560W \/ 2340W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePV Max Input Power @ 48V\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1560W \/ 2080W \/ 3120W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Control Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePWM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Types Supported\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGEL \/ Sealed \/ Flooded \/ User-Defined Lead-Acid \/ LiFePO4 \/ LiConMnNiO2 \/ User-Defined Lithium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFloat Charge Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13.8V \/ 27.6V \/ 41.4V \/ 55.2V (12V\/24V\/36V\/48V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAbsorption Charge Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14.4V \/ 28.8V \/ 43.2V \/ 57.6V (12V\/24V\/36V\/48V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEqualization Charge Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14.6V \/ 29.2V \/ 43.8V \/ 58.4V (12V\/24V\/36V\/48V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUSB Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4× USB, 5V\/2A each (2 per side)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBacklit LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoad Control Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24-Hour, Light Control, Reverse Light Control, Light + Dual Time-Period Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (L × W × H) — 30A \/ 40A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 200 × 106 × 47 mm (7.87 × 4.17 × 1.85 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (L × W × H) — 60A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 200 × 132 × 62 mm (7.87 × 5.20 × 2.44 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Hole Spacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eØ5 mm (0.20 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003e📦 What's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1× VT Series PWM Solar Charge Controller (select 30A, 40A, or 60A model)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003e📝 Note:\u003c\/strong\u003e Solar panels, batteries, mounting hardware, wiring, and fuses\/breakers are not included and must be purchased separately.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003ch2\u003e🔋 Battery Compatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGel Batteries\u003c\/li\u003e\n\u003cli\u003eSealed Lead-Acid Batteries\u003c\/li\u003e\n\u003cli\u003eFlooded Lead-Acid Batteries\u003c\/li\u003e\n\u003cli\u003eUser-Defined Lead-Acid Parameters\u003c\/li\u003e\n\u003cli\u003eLiFePO4 Lithium Batteries\u003c\/li\u003e\n\u003cli\u003eLiConMnNiO2 Lithium Batteries\u003c\/li\u003e\n\u003cli\u003eUser-Defined Lithium Parameters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e🎯 Common Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOff-Grid Cabins \u0026amp; Sheds\u003c\/strong\u003e — Manage battery charging for remote solar power systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRV \u0026amp; Overlanding\u003c\/strong\u003e — Handle higher-wattage rooftop solar arrays on the road.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine Solar Systems\u003c\/strong\u003e — Charge boat battery banks from deck-mounted panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackup Power Systems\u003c\/strong\u003e — Keep battery banks topped off for home or shop backup power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY Solar Projects\u003c\/strong\u003e — Flexible battery chemistry and voltage support for custom-built systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e🚀 Getting Started\u003c\/h2\u003e\n\u003cp\u003eSetting up the VT Series controller is straightforward:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eConnect the battery to the controller first, and confirm the LCD display turns on.\u003c\/li\u003e\n\u003cli\u003eConnect your load (lights, devices, etc.).\u003c\/li\u003e\n\u003cli\u003eConnect the solar panel last.\u003c\/li\u003e\n\u003cli\u003eSet the system voltage and battery type to match your battery bank.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003e💡 Tip:\u003c\/strong\u003e See our complete \u003cstrong\u003eUser Guide\u003c\/strong\u003e tab for the full connection sequence, battery\/voltage setup instructions, model comparison, and troubleshooting tips.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003ch2\u003e⚠️ Important Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThe battery must always be connected first, before the load or solar panel — connecting a live solar panel to an unpowered controller can permanently damage it.\u003c\/li\u003e\n\u003cli\u003e36V system voltage is not auto-detected and must be set manually.\u003c\/li\u003e\n\u003cli\u003eLithium battery types must be manually configured — set the system voltage first, then select the matching lithium battery type.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e📄 Documentation \u0026amp; Resources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"VT Series PWM Solar Charge Controller User Guide\" href=\"\/es\/blogs\/learn\/vt-series-pwm-solar-charge-controllers-user-guide\" target=\"_blank\"\u003eUser Guide — Wiring sequence, battery \u0026amp; voltage setup, model comparison, and troubleshooting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"Solar Charge Controller User Guides\" href=\"\/es\/blogs\/learn\/tagged\/solar-charge-controllers\" target=\"_blank\"\u003eAll Solar Charge Controller User Guides\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cem\u003eSold and supported by \u003ca href=\"https:\/\/envistiamall.com\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eEnvistia Mall\u003c\/a\u003e. Ships from the USA. For wiring diagrams, sample code, and troubleshooting, see the User Guide tab on this product page. The manufacturer and Envistia LLC (dba Envistia Mall) are not responsible for any damages or losses resulting from the use of this product. Always follow proper electrical safety practices when working with electronic components. Specifications are based on manufacturer data and are subject to change without notice.\u003c\/em\u003e\u003c\/p\u003e","brand":"ENVISTIA","offers":[{"title":"30A 12\/24\/36\/48V","offer_id":49010362646777,"sku":"EM-SOLAR-0008-30A","price":22.49,"currency_code":"USD","in_stock":true},{"title":"40A 12\/24\/36\/48V","offer_id":49010362679545,"sku":"EM-SOLAR-0008-40A","price":26.49,"currency_code":"USD","in_stock":true},{"title":"60A 12\/24\/36\/48V","offer_id":49010362712313,"sku":"EM-SOLAR-0008-60A","price":39.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1641\/0911\/files\/VT20-PWM-Solar-Charge-Controller-1.jpg?v=1788569024","url":"https:\/\/envistiamall.com\/es\/products\/vt-series-pwm-solar-charge-controller-30a-40a-60a-12v-24v-36v-48v-lead-acid-lithium","provider":"Envistia Mall","version":"1.0","type":"link"}