12V Lithium Iron Phosphate battery featuring SMBus communications port and fuel capacity gauge. High capacity, low weight deep cycle rechargable lithium battery replacement for sealed lead acid batteries. Recharges up to 2000 times. CAUTION: Dedicated charger is required. Do not use non appropriate chargers or chargers used for other battery chemistries. We recommend using charger model: FY1506000 NOTE: This battery