Bosch GBA 18V 4.0Ah M-C Lithium Ion Battery

The high-endurance 18 Volt XL battery with 4.0 Ah and CoolPack technology
Up to 65% more run time compared to existing 3.0 Ah battery using high quality Li-Ion cells
Bosch CoolPack manages the temperature of the battery cells actively and reduces heat-up which is the main killer for every battery cell
18 V 4,0 Ah batteries have the same weight as existing Bosch 3.0 Ah batteries and are the lightest in the market
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 
Battery voltage
18.0  V
Battery capacity
4.0  Ah
Length
115  mm
Width
74  mm
Height
56  mm
Weight
600  g