OPTIMATE OP1 VOLTMATIC 6 and 12 Volt charger Once plugged in, the AccuMate 6/12 maintains just the right voltage for your battery to prevent sulfation while the vehicle is inactive.
Completely safe long-term battery maintenance. Automatic cut-out in case of a short circuit or if the battery is disconnected.
Comes with a set of SAE waterproof permanent connectors and a set of crocodile clips.