Renogy RNG-DCC1212-40

12V 20A DC-DC charger efficiently charges house batteries from vehicle starter batteries, delivering up to 94% efficiency. Advanced charging logic improves energy management while protecting battery systems. This DC-DC charger is fully compatible with both traditional and smart generators to provide flexible vehicle power configurations. Optional monitoring via the Renogy app, when paired with a Bluetooth module, provides real-time system visibility for RVs, vans, and other mobile power applications.