R18BAT-Li4 EXT Battery 18V 4.0Ah Li-ion
Evolution R18BAT-Li EXT 18v Li-ion Batteries provide outstanding run time with all EXT 18V cordless tools. Keep Cool battery technology actively manages the battery temperature, keeping cells cool so they do not overheat, giving you more power, longer runtime and extended battery life.
This Evolution R18BAT-Li4 EXT Battery has the following specification:
Number of Cells: 10
Charge Time: 50 min.