Bosch BAT818 Specification:
•  Voltage: 36V

Bosch BAT818 Features:
•  Up to 5 times longer cycle life than competitive Lithium-ion batteries
•  30-Minute Charge Time (charged to 80% capacity in 15 minutes)
•  Features New Litheon Battery Technology
•  Lighter than 14.4V
•  Easy to read battery gauge and temperature sensor
•  For use with all Bosch 36V tools
•  Use only with Litheon 36V Charger -- BC830 (sold separately)