【Widely Compatible】Replacement for Milwaukee 18v battery 48-11-1850, 48-11-1815, 48-11-1820, 48-11-1822, 48-11-1828 , 48-11-1840, 48-11-1841, 48-11-1811, 48-11-1852, 48-59-1850,etc. Moreover, replacement for milwaukee batteries are compatible with Milwaukee 18v cordless tools
【Safety and Reliable】 Be multi-certified, tested and validated by the manufacturer to match the specifications of OEM products. Built-in High-quality Cells which can protect against overcharge, over-discharge, over-current, over-voltage, and short circuit
【LED Indicator Lights】 Integrated LED battery charge level indicator allows users to monitor battery charges.Lithium battery no memory effect, can be charged or discharged as needed without loss of capacity
【No Memory Effect】Made up of lithium cells,no memory effect. Can be charged or discharged as needed without loss of capacity, with a variety of protection systems, making it safer to use