The 4.0 Ah 18 V Bosch SlimPack battery offers up to 65% more runtime (compared to Bosch 3.0 Ah) and 2x longer life with unique Cool Pack design technology. The advanced heat conductive housing keeps the battery cooler for long life. An integrated fuel gauge makes checking charge status quick and easy. And working in cold weather is no issue down to -4°F. The BAT620 is compatible with all Bosch 18 V Lithium-Ion power tools, radios and more.
- Compatible with all Bosch 18V Lithium-Ion tools and chargers.
- Unique Cool Pack design uses a special heat conductive housing and ribbing to pull heat away from inside the battery to keep the battery cooler
- Cool Pack design manages battery cell temperature reducing heat-up to provide up to 2x the life of standard batteries
- Integrated digital fuel gauge LED indicator provides users clear state of battery charge
- Durable housing survives drops up to 3m
- (2) FatPack 18V Lithium-Ion Battery - BAT620