BLUETTI D40 DC-DC Battery Charger 12V/30A 400W Max Output for RV Batteries
(AC200L and other BLUETTI portable power stations). 12V / 20A (AC200L and other BLUETTI portable power stations). Furthermore, when paired with the AC200L, the D40 can fuel all your 12V loads. Whether drawing power from the AC200L, solar panels, or the starter battery.