Optimate DC to DC 12 V Battery Charger with Batteries

Charge your battery from another 12 V battery without AC power.Recharge your motorcycle, all-terrain vehicle or trailer on the move. The OptiMate DC to DC charger recovers, charges and maintains a 12V battery from another 12V battery or your vehicle. The high-performance, long-life maintenance mode of the OptiMate DC to DC charger protects the source battery, charging the battery only when it is needed. OptiMate maintenance mode keeps the battery connected at full load, without overcharging, extending the life and performance of the battery. The OptiMate DC to DC charger can save a completely discharged and sulphated battery from 1 V. Safe: No risk of overheating. 100% safe for the electronics of the vehicle. Removal of sparks. Safe Long term battery maintenance. Automatic shutdown in case of short circuit or if the battery is disconnected.