FLAGPOWER 18V 2.0Ah Replacement Lithium-ion Battery for Milwaukee M18 XC 48-11-1815 48-11-1820 Cordless Power Tools Brand New | Li-ion | 18 Volts | 2000 mAh | Black 100% Compatible with MILWAUKEE m18 Batteries are made with the highest quality materials Integrated microchip prevents overcharging & lengthens battery life 30Days money back, 12 months warranty