Charger DC-DC 12V BLUETTI D40 400W D40

BLUETTI D40 400W DC-DC Battery Charger

The BLUETTI D40 is a compact DC-DC charger and converter with up to 400W output, designed to complement the AC200L and AC200PL portable power stations. It charges 12V house batteries in RVs and boats and supports LiFePO4, AGM, gel, lead-acid and calcium batteries.

The D40 draws power from the power station through its 48V input, from solar panels or from the vehicle starter battery, and can also run 12V appliances. Electronic protections, input and output isolation and clear indicators keep charging safe and efficient.

Key features

• 12V output up to 400W - Charges the RV or boat house battery at up to 30A and 400W.
• Battery compatibility - Works with LiFePO4, AGM, gel, lead-acid and calcium batteries with matching charge voltages.
• Multiple power sources - Charge from an AC200L/AC200PL power station, 12V to 36V solar panels or the starter battery.
• Runs 12V appliances - Paired with the power station, the D40 supplies 12V/20A for RV appliances.
• Protection and isolation - House and starter battery protection with isolation between input and output.
• Simple indicators - Clear indicator lights show charging status in real time.

Specifications