Echo eFORCE 56V Compact 2.5Ah Lithium-Ion Battery - LBP-56V125A Compatible with ECHO eFORCE 56V Battery System eCM Technology provides heat, charge and discharge management On-board charge level indicator for easy monitoring of battery The ECHO eFORCE 56V 2.5Ah battery uses eCM Technology that provides heat, charge and discharge management to maximize the life of the battery. It's compatible with all ECHO eFORCE 56V Battery System. Battery charges in as little as 38 minutes when using the ECHO eFORCE 56V Rapid Charger. 2.5Ah Capacity (126 Watt hours) Compatible with all ECHO eFORCE 56V Battery System eCM Technology provides heat, charge and discharge management On-board charge level indicator for easy monitoring of battery life Fast charge time - charge in as little as 38 minutes when using the ECHO eFORCE 56V Rapid Charger Charger sold separately 2-year consumer warranty and 2-year commercial warranty. The warranty is through Echo, not AgNLawn, so you will need to contact Echo to register your item with them. This is an OEM Echo product.