- 400w max dc output at 12v 30a
- Charges from ac200l, solar panels or starter battery
- Supports lifepo4, agm, gel, lead-acid and calcium batteries
- House and starter battery protection
- Powers 12v rv appliances
The BLUETTI D40 DC-DC battery charger delivers up to 400W (12V/30A) to charge RV house batteries from your AC200L, solar panels or vehicle starter battery. It supports LiFePO4, AGM, gel, lead-acid and calcium chemistries with built-in battery protection.