Kobalt 24-Volt Max 1.5 Amp-Hour Lithium Power Tool BatteryKobalt 24 volt max 1. 5 Ah Li ion battery provides more power and runtime, so you can get the job done fast 1. 5 Ah and 30 min recharge means longer run time and less downtime (charger sold separately) Quick read fuel gauge keeps tabs on the amount of charge, and internal battery monitoring protects it from extreme temperatures, over discharge, and over charge for longer life Compatible with all Kobalt 24 volt max cordless power tools (sold