2-Pack Kobalt 24 -Volt Lithium-ion (4.0 Ah Battery)

Convenient 2-pack that is compatible with all Kobalt 24-volt max cordless power tools (sold separately)
Utilizes the latest battery cell technology that high energy 24V power tools demand
Lighter weight versus the 24V MAX 4.0Ah Extended Run battery
Battery pack is optimized for use with XTR tools
Power indicator displays charge status and can be used whether the battery is on the tool or off
Internal circuitry protects the battery pack from extreme temperatures, over-discharge, and over-charge for longer life
3-year limited warranty gives you peace of mind