BLUETTI D40 DC-DC Battery Charger
£189
Meet the BLUETTI D40 DC-DC Battery Charger, a compact, high-efficiency solution for topping up your battery bank from a DC source. Designed for portable power setups, it delivers smooth, reliable charging with smart protections to guard against overload, short circuits and reverse polarity. The D40 is ideal for road trips, camping, or off-grid living, letting you siphon power from a vehicle accessory socket or other DC supply to recharge Bluetti packs or compatible batteries quickly and safely. Its compact form and simple plug-in operation make it a convenient addition to any power kit. Whether youre keeping a camper van battery topped up or supporting emergency power in a cabin, the D40 keeps you powered.
Read more »Why buy from BLUETTI
Extensive solar compatibility and expandable power
Broad product lineup for home, RV, and off-grid use
Reliable warranty and responsive support