GBA 18V Li-ion Battery Pack

The Bosch GBA Li-ion Battery Pack has a compact design with robust housing and a handy fuel gauge. Bosch CoolPack technology prevents damage from heat concentration to offer superior run time.
The special heat-dissipating housing at the base of these Li-ion batteries protects the cells inside from heat damage and is 100% compatible with all Bosch blue Li-ion power tools and chargers within the same voltage group.

Up to 100% longer lifetime due to the Bosch CoolPack active temperature management.