TecMate - TM485 - OptiMate Lithium 0.8A X4 Battery Charger Protects LiFePO4 batteries in the most effective way Protects a large investment and guarantees Lithium Iron Phosphate (LiFePO4 / LFP) batteries will perform as advertised for a very long time A unique LiFePO4 specific program recharges and balances cells within the battery efficiently and safely OptiMate Lithium 0.8As maintenance program delivers current to the vehicle circuitry, protecting and keeping the battery at 100% charge