Panasonic 14.4V 4.0Ah Battery Pack (EY9L49B57)

14.4 Volt (3.6V x 4 Cells)
4.0Ah Capacity
45 Minute* Charging Time - *Usable charge (80%)

Replacement for EY9L45B57

The 4.0Ah Li-ion battery packs provide an 11% faster charge time than the previous model, meaning you can get to work faster. The EY9L49B57 charge time to 80% capacity is 45mins.