KOBALT 24-Volt Max Ultimate Output Battery. The Ultimate Output lithium ion battery utilizes cutting edge technology for high energy 24-volt power tools, like KOBALT XTR tools. The power Indicator display allows immediate feedback on charge status. While internal technology protects the battery pack from extreme temperatures. Compatible with the entire line of KOBALT 24V Max tools and includes a 3-year limited warranty. 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 Battery Voltage: 24-volt Type: Battery Battery 1 Amp-Hours: 4.0 Battery 2 Amp-Hours: 4.0 Battery Package Count: 2 Battery Type: Lithium-ion Charge Time (Hours): 1 Charger Included: No Cordless: Yes Package Contents: (2) 4.0Ah Ultimate Output batteries Voltage: 24 Warranty: 3-year limited Wireless: Yes App Compatibility: No Bluetooth Compatibility: No Brand/Model Compatibility: Kobalt 24-volt Wi-Fi Compatibility: No Works with Android: No Works with iOS: No CA Residents: Prop 65 Warning(s): No UNSPSC: 26111700