Wide Compatibility: Replacement for Milwaukee M18 battery charger M18 48-59-1802. Compatible with Milwaukee M18 M14 series XC lithium batteries M18, M14, 48-11-1850, 48-11-1815, 48-11-1828, 48-11-1862, 48-11-1880, 48-11-1852, 48-11-1820. Fast Charger: AC Input 100-240V, Output 14.4-18V -- 3A. Compatible with Milwaukee M18 M14 4.0Ah compact batteries in 1 hour or less for workplace efficiency. (❗Not suitable for M12 battery) Safe & Reliable: This M18 charger communicates directly with the battery pack, monitoring individual cell voltage, temperature, and status. Overload protection safeguards battery cells for long life and ensures safe charging. Built-in cooling system to cool the battery. (Includes charger/cord/plug) Helpful Design: The built-in indicator lights display battery status, providing confidence that a significant amount of work can be completed.