Kobalt 24-volt max 4.0-Ah Li-ion battery provides more power and runtime, so you can get the job done fast. The power indicator keeps you informed as to how much battery is remaining before needing to be charged. The battery monitoring and protection system prevents the battery from overheating. 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 Internal circuitry protects the battery pack from extreme temperatures, over-discharge, and over-charge for longer life Recharges in 1 hour for less downtime on the job (charger sold separately) Compatible with all Kobalt 24-volt max cordless power tools (sold separately) CA Residents: Prop 65 WARNING(S)Prop 65 WARNING(S) Compatible With: Kobalt 24-volt max brushless power tools Wireless: No Charger Included: No Sub-Brand: N/A Battery 2 Amp-Hours: 0 Battery Package Count: 1 Battery Voltage: 24-volt max Battery 1 Amp-Hours: 4 Battery Type: Lithium App Compatibility: No Bluetooth Compatibility: No Wi-Fi Compatibility: No Works with Android: No Works with iOS: No Type: Power tool battery Charge Time (Hours): 1 CA Residents: Prop 65 Warning(s): No