BOSCH GBA 18V 4.0Ah M-C Slide Pack Lithium Ion Battery

LED Indicator for battery stage of charge
Flexible Power System: 100% compatible to all Bosch Blue Li-Ion tools and chargers within same voltage class
Smallest battery pack of its class in the market
LI-ION TECHNOLOGY:  No self-discharge, no memory effect and a higher energy density thanks to Li-Ion battery technology.
COOL PACK: Optimal protection of the cells against excessive heat due to special, heat conductive housing. 
FLEXIBLE POWER SYSTEM: Battery 100% compatible with all tools within its voltage class. 
Choose the XL battery for longest runtime or the compact battery for best handling.

1 x Bosch GBA 18V 4.0Ah M-C Slide Pack Lithium Ion Battery