Greenworks 2901302-RC 80V 2.0 Ah Lithium-Ion Battery (Certified Refurbished) This Certified Refurbished product has been tested and certified to work and look like new, with minimal to no signs of wear, by a specialized third-party seller approved by Amazon. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer. On-board battery "fuel" indicator allows for on-demand reference of remaining power 50% charge in 13 minutes and 100% charge in only 30 minutes Compatible with multiple tools and charger model GCH8040