Renogy Rego 12-Volt 60 Amp 800-Watt DC-DC Solar Battery Charger for AGM SLD Flooded Gel Lithium, Plug and Play Connection

The REGO DC-DC Battery Charger's exclusive bidirectional charging technology not only provides the most effective way to charge your house batteries from the starter battery on the go but also recharges and maintains your starter battery when the house batteries are full. The battery charger is compatible with the most popular 12V alternators and batteries. 4-Stage charging provides reliable and effective charging of your batteries. The REGO DC-DC battery charger is ideal for RVs, commercial vehicles, boats, yachts and vans that need stable energy on the go.