{"product_id":"12v-dc-to-dc-battery-charger-40a-500w-smart-multi-stage","title":"12V DC to DC Battery Charger – 40A 500W, Smart Multi-Stage","description":"\u003cp\u003e12V 40A DC to DC battery charger delivers fast, stable on-board charging to keep your house battery ready in RVs, trucks, boats, and yachts. Smart multi-stage charging adapts to lithium (LiFePO4) and lead-acid batteries for a controlled charge cycle that helps maintain capacity over time. An isolated input\/output design reduces electrical interference, while the aluminum alloy housing supports dependable use in demanding mobile setups.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eDelivers up to 40A charging current (500W max) to recharge auxiliary\/house batteries while you drive or run systems.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eSupports lithium and lead-acid types, including AGM, GEL, flooded, and LiFePO4 with optimized multi-stage charging.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eProtects with over\/under-voltage, over-temperature, and reverse-polarity safeguards for safer on-board operation.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eRevives resting batteries using lithium activation to help recover deeply discharged packs and reduce downtime.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eMounts easily with a compact aluminum alloy case and pre-drilled holes for clean installs in tight compartments.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003eBuilt for real-world electrical systems, this DC-DC charger works across common alternator setups and stabilizes charge voltage for consistent results. Use it to maintain a separate house battery for fridges, lights, inverters, and marine electronics—without overloading your starting battery. Clear operating ranges make it easy to match to your 12V system, and the rugged enclosure suits mobile environments. Upgrade your power management and grab yours today.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eInput voltage: 12V DC\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eInput battery voltage range: DC 8–16V\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eCharging current: 40A\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eMaximum output power: 500W\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eCharging voltage (lead-acid): 13.2–14.7V\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eCharging voltage (lithium): 12.6–14.6V\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eCharging stages: LiFePO4 (2-stage); lead-acid (3-stage: bulk\/absorb\/float)\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eOperating temperature: 4°F to 122°F (–20°C to 50°C)\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eHousing material: aluminum alloy\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eNet weight: 3.31 lb (1.5 kg)\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"B2X","offers":[{"title":"Default Title","offer_id":55502910456135,"sku":"VEV-006443-B","price":187.0,"currency_code":"CHF","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/5402\/2983\/files\/12VDCtoDCBatteryCharger40A500WSmartMultiStageDefaultTitle.jpg?v=1792542657","url":"https:\/\/bluemall.ch\/fr\/products\/12v-dc-to-dc-battery-charger-40a-500w-smart-multi-stage","provider":"Bluemall","version":"1.0","type":"link"}