This portable 1 Amp battery maintainer allows you to keep your vehicle's 12V battery topped off using standard DeWalt 20V MAX or FlexVolt lithium-ion batteries. It conveniently plugs into your car's OBD-II port to preserve electronic memory settings like radio and seat presets while you perform battery maintenance or storage.

Non-paid members will be charged $18 for shipping, whereas paid members will receive free shipping!