18 volt Lithium-Ion Replacement Battery Charger for Milwaukee M18 48-11-1850 48-11-1852 48-11- 1840 M18 48-11-1828 2763-20 2897-22 18V Li-Ion Tool Battery Charger Replacement for Milwaukee 48-11-1828 2602-20 M18 Replacement Charger For Milkwaukee 48-11-1815 48-11-1820, 48-11-1840,M18 Integrated microchip prevents overcharging & lengthens battery life! Brand New Replacement Battey Charger,For all M18 18 volt Battery Packs 100% Compatible with original manufacturer equipments and chargers.