Topbatt Replace for Milwaukee M18 Battery Charger 14.4V-18V XC Lithium ion 48-11-1852 48-11-1850 48-11-1828 48-11-1815 Cordless Tool Batteries Replacement Battery Charger - Charger type:Lithium-ion, Voltage:14v-18v, Charge for Milkwaukee M18 48-11-1815 48-11-1820 48-11-1840 battery Fast Charging - Advanced charging technology, universal 100V to 240V voltage input, charge batteries in a fast and highly efficient way Smart Charging Management - LED temperature gauge lighting, multi protections, it is easy and safe to work, and Energy-saving sleep mode protects the battery from damage. Safe & Reliable - The battery charger are CE, FCC, ROHS certified, tested and validated by manufacturer to match or exceed specifications of OEM products Warranty and Service - Topbatt offer 30 days money back guarantee and 1year warranty. Any question, please contact us at any time.