The BLACK and DECKER BM3B is ideal for keeping your 6-Volt or 12-Volt battery fully charged when not in use. Simply plug the maintainer into any AC outlet and connect to your battery in any one three ways: Battery clips 12-Volt Dc accessory plug or the battery terminal rings. The BM3B will do the rest of the work, monitoring your battery with the Automatic micro processor, so that you can never over charge the battery.
- For use with both 6-volt and 12-volt batteries
- Automatic microprocessor battery monitoring
- Reverse connection warning and ready indicator
- 3 ways to connect battery clips, 12-volt accessory plug, and battery ring terminals