Bosch Cool Pack batteries have a unique design that incorporates advanced heat-conductive housing that significantly reduces heat buildup while you work, resulting in a more efficient battery pack that stays cooler while giving you up to 2x the battery life and 65%. Featuring a state-of-the-art Bosch exclusive Electronic Cell Protection (ECP) system, each battery guarantees optimal tool performance even in tough work conditions.

• 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

• SlimPack 18V Lithium-Ion Battery - BAT612