Battery, Battery Capacity 5.2 Ah, Battery Chemistry Li-Ion, Charger Included No, Number of Batteries Included 1, Terminal Type Slide-On, Voltage 18 V, Cordless Tool Kit Contents (1) Battery, Automatic Shut-Off Yes, Number of Cells 10, Battery Series Li-Power, Cordless Tool Battery Platform 18V, IEC Code Number 62133, Wireless Tool Tracking No