This Bosch GBA Battery & Charger Starter Kit 36V contains the following:

2 x GBA 36V Professional 6.0Ah Li-ion Batteries. Designed for maximum runtime in Bosch´s 36V category. COOLPACK 1.0 technology achieves an improved heat dissipation from the inside to the outside of the battery. As heat can damage the cells, the COOLPACK technology provides a longer battery lifetime and enables it to perform for longer work periods. There is also a fuel gauge displaying the battery level status.

1 x GAL 3680 CV Professional Charger for all Li-Ion batteries from 14.4 to 36 volts. 100% faster charging of the batteries (compared to AL 3640 CV). Active Air Cooling for longer lifetime of the batteries.