TecMate OptiMate 1 VoltMatic Bronze Series Battery Charger / Maintainer Simplify the battery maintenance for your 12V unit with the TecMate OptiMate 1 VoltMatic Bronze Series. This charger and maintainer offers a straightforward solution to ensure your battery remains in prime condition, hassle-free. Features: Ideal for Agm, GEL & STD 6V or 12V batteries from 2 28Ah 0.6A Constant charging current For indoor use, dust proof case with 12ft / 370cm charge lead ending in SAE connector Global (100-240V 50-60Hz), high efficiency (Cec listed) Automatic shutdown if battery disconnects or short circuits