kobalt 24 volt 4.0 amp hours lithium power tool battery

Kobalt 24-volt max 4.0-Ah Li-ion battery provides more power and runtime, so you can get the job done fast Power indicator displays charge status and can be used whether the battery is on the tool or off Compatible with all Kobalt 24-volt max cordless power tools (sold separately) Recharges in 1 hour for less downtime on the job (charger sold separately) Internal circuitry protects the battery pack from extreme temperatures, over-discharge, and over-charge for longer life