The New Echo eForce? battery system provides another powerful option for professional landscapers and discerning homeowners who demand versatility and options in power sources across their fleet of outdoor power equipment. It’s simple! One battery platform for all ranges of Echo 56V cordless units. Echo eForce? 2.5Ah batteries deliver 56V of dependable, long-lasting power and quickly swap from product to product. The Echo eForce? batteries feature Echo’s exclusive eCM? Technology to maximize the battery’s lifetime. Compatible with all Echo 56V cordless products. Compatible with all Echo 56V cordless products. Features 75 minute charge time with 2A charger. Compatible with 2A and 4A charger (sold separately). Genuine Echo replacement part. New, Bulk Packed Consult owners manual for proper part number identification and proper installation Please refer to list for compatibility