Advanced 12V battery maintenance! OptiMATE 2 extends life and improves performance of a 12V battery, mounted in a vehicle / craft or battery operated system that is not in daily use, even in temperatures below freezing. OptiMATE 2 senses the battery condition, recharges and then keeps the battery 100% ready and provides power to the anti-theft alarm, display, on board computer, etc. The OptiMATE maintenance program delivers only what the battery needs, never overcharges, never undercharges. CHARGING AMPS : 0.8A (constant current). USE: Indoor/Outdoor (lowest temperature: -4°F / -20°C). 3-year limited replacement warranty.

Hand-held compact power supply with jump start capability. Rechargeable through both AC and DC power sources. Built-in safety protection to prevent overcharging and over discharging. Automatically turns off when not in use.