【Perfect Complitibity】Our replacement for milwaukee 18V batteries are compatible with 18 Volt battery cordless power tools 48-11-1852 48-11-1850 48-11-1840 48-11-1890 48-11-1828 and your original charger
【Safe & Reliable】Top A grade Li-ion Battery Cells, built-in protection against overcharging, over discharge, over current, provides short circuit protection and steady voltage circuit
【LED Indicator Light】LED Indicators for users to monitor power. Display remaining run time and reduce the risk of downtime work and promptly remind you that you need to charge
【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