18V Lithium Battery Charger for Ridgid AEG and Ryobi, Input 100-240V, Output 18V 1.5A (battery not included) - AliExpress
Amazon.co.jp: Makita Compatible Inverter Portable Power Adapter AC USB Outlet LED Light 18V Battery Mobile Emergency 100V Home Battery Charger Sold Separately (INS01-BL) : DIY, Tools & Garden