The OPTIMA Chargers Digital 1200 Battery Charger enhances the performance of 12 Volt AGM and flooded OPTIMA batteries as well as other high-performance AGM batteries. It also recovers deeply discharged batteries and helps extend battery life. With an easy-to-read, bright, backlit LCD gauge that displays battery-charging, fill rate, mode settings and fault messages, this charger offers one of the best user interfaces.