Bosch BAT414 12-Volt Max Lithium-Ion 2.0Ah High Capacity Battery

Most Compact and lightest 12-Volt Max battery on the market producing 50-percent more run time compared to existing 1.3Ah batteries.
Compatible with all Bosch 12-Volt Max Tools and chargers
2.0 Amp Hour Capacity
Performs in cold temperatures down to -4 degrees F
Most Compact: Smallest and lightest battery pack with 2.0Ah in the market
High Quality Lithium-Ion cells