Panasonic EY9L45B 14.4v 4.2Ah Li-ion Battery
Powerful and compact 14.4V (4.2Ah) battery pack for use with all Panasonic lithium-ion 14.4V cordless power tools.
Individual monitoring of battery cell voltage – each 3.6V segment is monitored by a sensor to ensure optimal discharge control.
Over-discharge Prevention Sensor – a sensor works to prevent over-discharging.
Battery Overheat Protecting Sensor – a temperature sensor cuts off power to the motor before the battery temperature rises to a harmful level.
3 Years Warranty on all Panasonic Power Tools including Batteries & Chargers when registered.