18V (4.0 Ah) Li-Ion Battery | Essential Building Supplies

Specifications

4.0 Ah battery offers 33% increased run time versus 3.0 Ah batteries with no added weight or bulk
LED charge level indicator displays approximate remaining battery power
Battery Protection System provides Over-Discharge, Temperature and Current Protection for enhanced performance, battery cycle life and overall battery life
Li-Ion Batteries offer extended run time versus Ni-Cad and Ni-MH batteries
Li-Ion Batteries offer more cycles over the life of the battery versus Ni-Cad and Ni-MH batteries
Optimum Charging System utilizes 3 Active Controls (Current, Voltage & Temperature) to maximize battery life
Built-In Memory Chip communicates with Charger CPU to optimize the charging process based on the unique conditions of each battery

BL1840B Li-Ion Battery