BOSCH BAT838 36V 4.0Ah Lithium-Ion FatPack Battery for Power Tools - Compatible with 36V BOSCH Drills, Saws & Outdoor Equipment | Long-Lasting Cordless Performance for DIY & Professional Use

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.

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