Fully automatic battery maintainer Extends battery life Safe long term battery care Sealed weatherproof enclosure OptiMate 2, extends life and improves performance of a 12V battery of a vehicle / water craft or 12V battery operated system that is not in daily use. Use the included SAE-71 accessory to easily connect OptiMate 2 to the battery when-ever the vehicle / water craft is parked, for safe long term maintenance even in temperatures below freezing. OptiMate 2 senses the battery condition, recharges and then keeps the battery 100% ready, never overcharging, and provides power to the anti-theft alarm, display, on board computer, etc. OptiMate 2 is ideal for standby power applications, the interactive standby mode during long term maintenance reverts to full charge mode if it senses high current drain from the battery. OptiMate 2, a true ‘connect & forget’ charger and maintainer for all 12V batteries. OptiMate 2. Battery performance guaranteed ! TM

How it works 1. Safety check: OptiMate 2 must be connected to a battery (retaining minimum 2V) to activate its output. 2. Bulk charge: a constant current of 0,8A efficiently brings the battery up to 14,3V. 3. Charge verification: immediately follows bulk charge mode during which the battery's ability to accept a charge and there-after it's charged status is verified. A battery in poor health unable to hold a charge is indicated by the yellow charge LED alternating with the the green maintain LED every 3 seconds. For a battery that appears healthy the voltage is limited at 13,6V for 30 minutes...