ECHO's 56V eFORCE 5.0 Ah lithium-ion battery is a compact, high-capacity, 252 Wh, high voltage battery that is compatible with ECHO's eFORCE 56V Battery System. It comes standard with an on-board charge level indicator and ECHO's eCM Technology which provides heat, charge and discharge management. The 5.0 Ah battery is perfect for applications with larger power demands.