12V to 18V battery charger Milwaukee REDLITHIUM-ION M12-18C
Milwaukee M12 12-Volt Lithium-Ion Cordless Bluetooth/AM/FM Jobsite Radio with Charger with Two M12 6.0 Ah Battery Packs & Charger 48-59-2462-2951-20 - The Home Depot
Milwaukee M12 and M18 12-Volt/18-Volt Lithium-Ion Multi-Voltage Battery Charger 48-59-1812 - The Home Depot