Brand New | Rechargeable | 18 Volts | 6.0Ah | Battery type: Li-ion | Black and Red Lithium battery | Replacement for Milwaukee 18v battery The M18 REDLITHIUM XC 6.0 batteries deliver up to 2.5x more run-time than standard lithium Compatible with Milwaukee M18 Lithium Cordless Power Tools 48-11-1840 48-11-1850 etc,Compatible with all Milwaukee 48-11-1840 M18 XC batteries and lithium-ion chargers.Battery fuel gauge displays remaining run-time No memory effect. Can be charged or discharged as needed without loss of capacity Support Service: 1 year maintain, Tell us: any question click the "Ask a question" on our storefront or in "YOUR ORDER" options Brand New | Rechargeable | 18 Volts | 6.0Ah | Battery type: Li-ion | Black and Red Lithium battery | Replacement for Milwaukee 18v battery The M18 REDLITHIUM XC 6.0 batteries deliver up to 2.5x more run-time than standard lithium Compatible with Milwaukee M18 Lithium Cordless Power Tools 48-11-1840 48-11-1850 etc,Compatible with all Milwaukee 48-11-1840 M18 XC batteries and lithium-ion chargers.Battery fuel gauge displays remaining run-time No memory effect. Can be charged or discharged as needed without loss of capacity Support Service: 1 year maintain, Tell us: any question click the "Ask a question" on our storefront or in "YOUR ORDER" options