{"product_id":"enerdrive-12v-40a-dc2dc-battery-charger","title":"Enerdrive 12V 40A+ DC-DC Battery Charger EN3DC40+","description":"\u003ch3\u003eHigh-Output 12V 40A DC-DC Charging for Dual Battery Systems\u003c\/h3\u003e \u003cp\u003eThe Enerdrive EN3DC40+ is a professional-grade 12V 40A DC-DC battery charger engineered for demanding dual battery setups. Whether you're running a 4WD on extended off-road trips, a fully-loaded caravan, or a remote off-grid installation, this unit delivers intelligent multi-stage charging to keep your auxiliary battery in peak condition — even while your vehicle is on the move.\u003c\/p\u003e \u003cp\u003eUnlike basic isolators, the EN3DC40+ uses a true DC-DC conversion process to regulate and optimise the charge voltage delivered to your auxiliary battery, regardless of fluctuations from the alternator. It also features a built-in MPPT solar input, allowing you to combine alternator and solar charging in a single compact unit — ideal for extended touring.\u003c\/p\u003e  \u003ch3\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003e40A DC-DC charging\u003c\/strong\u003e — high-output charging for 12V auxiliary battery systems\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eBuilt-in MPPT solar input\u003c\/strong\u003e — combine alternator and solar charging in one unit\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eDigital display\u003c\/strong\u003e — real-time monitoring of input voltage, output voltage, and charge current\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eMulti-stage, multi-source charging algorithm\u003c\/strong\u003e — bulk, absorption, and float stages for optimal battery health and longevity\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWide battery compatibility\u003c\/strong\u003e — supports AGM, Gel, Calcium, Wet\/Flooded, and LiFePO4 lithium batteries\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSmart alternator compatible\u003c\/strong\u003e — works with Euro 5\/6 and modern variable-voltage alternators\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eIgnition-controlled operation\u003c\/strong\u003e — automatically starts and stops charging with the vehicle ignition\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSilent mode\u003c\/strong\u003e — reduces fan noise for overnight or campsite use\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCompact and robust enclosure\u003c\/strong\u003e — designed for permanent vehicle and fixed installations in harsh environments\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eReverse polarity and over-temperature protection\u003c\/strong\u003e — built-in safeguards for reliable long-term operation\u003c\/li\u003e \u003c\/ul\u003e  \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eInput Voltage: 10–32V DC\u003c\/li\u003e \u003cli\u003eOutput Voltage: 12V (programmable per battery type)\u003c\/li\u003e \u003cli\u003eOutput Current: 40A\u003c\/li\u003e \u003cli\u003eSolar Input: MPPT, up to 25V open circuit\u003c\/li\u003e \u003cli\u003eOperating Temperature: -20°C to +60°C\u003c\/li\u003e \u003cli\u003eCertifications: CE, RCM\u003c\/li\u003e \u003c\/ul\u003e  \u003ch3\u003eIdeal For\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e4WDs and touring vehicles on extended off-road trips\u003c\/li\u003e \u003cli\u003eCaravans and campervans with high power demands\u003c\/li\u003e \u003cli\u003eMarine and boat applications\u003c\/li\u003e \u003cli\u003eOff-grid cabins and remote power systems\u003c\/li\u003e \u003cli\u003eInstallations requiring LiFePO4 lithium battery charging\u003c\/li\u003e \u003c\/ul\u003e  \u003ch3\u003eIn the Box\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eEnerdrive EN3DC40+ DC-DC Charger\u003c\/li\u003e \u003cli\u003eMounting hardware\u003c\/li\u003e \u003cli\u003eUser manual\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0919\/4268\/2904\/files\/DC2DC40-User-Manual_V2.05_JAN-2026-1.pdf?v=1783747089\" target=\"_blank\" title=\"User Manual\" rel=\"noopener\"\u003eDownload User Manual\u003c\/a\u003e\u003c\/p\u003e \u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0919\/4268\/2904\/files\/Smart-Alternator-Setup-for-DC2DC-no-IGN.pdf?v=1783747088\" title=\"Smart Alternator Setup Guide\" rel=\"noopener\"\u003eSmart Alternator Setup Guide\u003c\/a\u003e\u003c\/p\u003e","brand":"Enerdrive","offers":[{"title":"Default Title","offer_id":55052998246739,"sku":"EN3DC40+","price":296.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1076\/9324\/4755\/files\/Enerdrive-12V-40A_-DC2DC_Battery-Charger-1.png?v=1790292862","url":"https:\/\/progradewarehouse.com\/products\/enerdrive-12v-40a-dc2dc-battery-charger","provider":"PRO GRADE WAREHOUSE","version":"1.0","type":"link"}