Bosch CoolPack batteries have a unique design that incorporates advanced, heat-conductive housing that significantly reduces heat buildup while you work. This results in a more efficient battery pack that stays cooler, while giving you up to 2x the battery life and 65-percent more run time compared to existing 3.0Ah batteries. State-of-the-art 4.0Ah Lithium-Ion battery technology plus the Bosch exclusive Electronic Cell Protection (ECP) system guarantees optimal tool and battery performance even in tough work conditions. The Bosch BAT612-2PK includes: (2) 18-Volt Lithium-Ion 2.0Ah Slim Pack batteries.
Compatible with all Bosch 18-Volt Lithium-Ion tools and chargers
Unique Cool Pack Design: Special heat conductive housing and ribbing pulls heat away from inside the battery, keeping the battery cooler
Up to 2x Battery Life: Bosch COOL Pack manages battery cells temperature reducing heat-up, which is the main eradicator of every battery cell
Integrated Digital Fuel Gauge: LED Indicator for battery stage of charge
Durable Housing: Survives 3-Meter drop