Battery Pack, Battery Capacity 5 Ah, Battery Chemistry Li-Ion, Charger Included No, Number of Batteries Included 2, Voltage 20V DC, Cordless Tool Kit Contents (2) Batteries, Charger Input Voltage 120V AC, Battery Series 20V MAX* XR, Cordless Tool Battery Platform 20V MAX*, Wireless Tool Tracking Yes, Wireless Tracking System Tool Connect, Package Quantity 2