Collection: DC-DC Battery Chargers

Charge your auxiliary battery safely while you drive. Our DC-DC battery chargers provide controlled charging from a vehicle’s starter battery and alternator—ideal for lithium and lead-acid battery banks in RVs, camper vans, boats, work vehicles and other mobile power systems.

Choose from different input voltages, output currents and isolated or non-isolated designs. Not sure which model fits your battery and alternator?