Battery Pack Power: Westinghouse 20 Volt 2 amp hour Lithium-ion battery for easy cord free energy One Battery, Many Tools: Compatible with all Westinghouse and 20V tools, ensuring seamless performance across a wide range of lawn, garden, and snow removal equipment for ultimate convenience and versatility Charge Quick to Work Quick: Fully charges in one hour on our W20V2AMP charger or in 30 minutes (when charging one battery) on our dual port charger W20V2DP (each sold separately). Equipped with power indicator that shows charge status Effective & Efficient: Designed for optimized energy output. Run times vary depending on the machine and conditions, so please check out the specific 20V machine for more info Performance & Peace of Mind: Westinghouse batteries are designed to protect from over-discharge and over-charge for longer life and have a 2-year limited warranty