【M18 Battery Charger 100% Compatibility】18V 4-Port XC Lithium Ion rapid M18 charger. Replacment M18 Milwaukee charger for 48-59-1802 48-59-1806 48-59-1808 48-59-1811 48-59-1812, 48-11-1815 48-11-1828 48-11-1830 48-11-1850 48-11-1852 48-59-1850, compatible with milwaukee 18V battery..【4-Port Charge Simultaneously】 4 pack of Milwaukee batteries can charge at the same time, minimizing downtime. 3-amps output per port for efficient charging and improve work efficiency. Enables you to move quickly from one task to the next with tools that are ready for the job.【 Intelligent Protection & Quick charger 】Comply with FCC RoHS and CE security testing standards. Diagnostics with LED indicator communicates battery charge status, built-in chip and cooling fin to ensure optimum performance and extend life. Charges 4 M18 2.0Ah batteries in 45 minutes Charges 4 M18 5.0Ah batteries in 100 minutes Charges 4 M18 9.0Ah batteries in 3 hours.【 User-friendly Details 】Dual 5V/2.1A USB Ports on one side for charging compatible devices(such as cell phones, Ipods, Tablets) at the jobsite; the charger offers a handle, wall-hanging or versatile hang hooks.【 Excellent Heat Dissipation】 Efficient internal cooling system circulates air across the batteries to cool down the heat extending batteries’ cycling times for long lifespan.