The Bosch BAT620 18-Volt (4 ah) Lithium-Ion Battery features a Unique Cool Pack Design - Special heat conductive housing and ribbing pulls heat away from inside the battery, keeping the battery cooler. Up to 65% more run time - Up to 65% more run time compared to existing 3 Ah battery using high quality Lithium-Ion cells. Up to 2X Battery Life - Bosch COOL Pack manages battery cells temperature reducing heat-up - main killer of every battery cell.
- Integrated fuel gauge for fast and easy charge status
- Cold weather performance: works up to -4º F
- Works with all Bosch 18-Volt lithium-ion tools
- Includes: (1) BAT620 battery
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