The EGO BA1400 2.5Ah / 140Wh 56v Lithium-ion battery has a leading-edge ARC design which efficiently distributes heat reducing the risk of overheating. Compatible with all the 56v EGO Power+ range.Features:40% more power compared to other 40v battereriesPatent pending ‘Keep Cool Technology’Premium battery cellsPatent pending ‘Power Management System’ extends product lifeBuilt-in Fuel Gauge: Displaying remaining power levelsCharge times:Standard charger: 50 minsRapid charger: 30 minsSpecification:Capacity: 2.5Ah / 140WhWeight: 1.2 kgWarranty: 3 year