Amazon.com: EKACO Universal Power Adapter, AC 100-240V DC 21V 2A Fast Charger Lithium-ion Battery Charger for Power Tools, Cordless Leaf Blower etc : Automotive
Milwaukee M12 and M18 12-Volt/18-Volt Lithium-Ion Multi-Voltage Battery Charger 48-59-1812 - The Home Depot
Octpeak Power Tool Battery Charger,MT1008 Universal Electric Drill Battery Charger 7.2/9.6/12/14.4/18V US Plug 110-240V,Universal Charger - Walmart.com
Makita USA - Product Details -DC1804
Universal Mini Chainsaw Battery Charger For 20V21V 4in 6in Cordless Electric Saw | eBay
Charger your Cordless Drill without its charger! - How to Make a Universal Battery Charger- - YouTube