OptiMate lithium is designed to protect and maintain your LiFePO4 battery for a long service life. With 0.8 Amps of charge current available OptiMate lithium unique multi step ampmaticTM program recharges and balances cells within the battery quickly and efficiently. OptiMate lithium’s maintenance program delivers current to the vehicle circuitry, protecting and keeping the battery at 100% charge. OptiMate lithium – Battery Performance Guaranteed!