Bosch BAT838 offers 50 percent more runtime over previous generation of Bosch 36V batteries
Maintains the same footprint as previous generation 2.6Ah 36V batteries
Maximizes battery runtime on the jobsite and eliminates user frustration in looking for charged battery
Longer battery runtime increases productivity for critical system tools like rotary hammers, drill/drivers and saws
The Bosch BAT838 CoolPack heat-conductive housing is specifically designed to cool internal cell temperatures for longer life. The Bosch BAT838 4.0 Ah Lithium-Ion battery delivers 50 percent more runtime versus a 2.6 Ah battery without CoolPack technology. Bosch batteries are compatible with electronic monitoring systems (EMS) on Bosch power tools that regulates voltage for heavy-duty applications. The Bosch BAT838 battery is built with advanced technology high-capacity, low-resistance Lithium-Ion cells. Features a fuel gauge to ensure that users always know their power level.