When it comes to reliable and versatile battery charging in the great outdoors, the Hardkorr 40A Waterproof DC-DC Charger will have you covered. Whether you're on the road, off-grid, or simply need a dependable power solution, this charger will be your go-to companion. With high-temperature resistance, IP66 waterproof rating and compact design, this charger is designed to thrive in the harshest conditions and is perfect for under-bonnet installation. It features 5 dedicated charging modes to suit SLA, AGM, Gel, Calcium, and Lithium batteries and is equipped with a 40A MPPT solar regulator giving you the flexibility to charge from your main vehicle battery while youre on the move or via solar panels when your stopped for the day. Built to withstand the elements and designed for efficiency, you can trust the Hardkorr 40A Waterproof DC-DC Charger to keep your batteries at their best, no matter where your adventures take you.