Keep batteries (size 0A6A) charged with this Battery Charger/Maintainer from Black and Decker. The charger utilizes high-frequency technology so users simply need to hook up batteries to the charger plug in and turn on. Batteries can either be connected via the battery clamps or O-ring terminals to charge.
0a - 6a Fully Automatic Battery Charger & Maintainer
Sealed From Dust Oil & Moisture To Prevent Corrosion High Frequency Technology - simply Hook It Up Plug It In & Turn It On Connects To Battery Two Ways: battery Clamps Or O-ring Terminals