BATTERY, SLIDE-ON, 18V, 4 AH, LI-ION, 2-PK, FOR 18V LI-ION BATTERY TOOLS

This lithium-ion battery operates on 18V and 4 ampere-hour. It features a new battery fuel gauge that indicates approximate remaining battery power, an optimum charging system that utilizes three active controls, and a built-in memory chip. The slide-on battery is suitable for use with 18 volts battery tools. There are two batteries in a pack.