AmpFlow P40-250 Brushed Electric Motor, 250W, 12V, 24V or 36 VDC, 3400 RPM, Black: Electric Fan Motors: Amazon.com: Tools & Home Improvement
Amazon.co.jp: FlashFish Portable Power Supply, Large Capacity, Small Generator, 40,800 mAh/151 Wh, AC (200 W, Instant Maximum 250 W), DC (120 W), USB Output, Household Storage Battery, Equipped with QC 3.0, Genuine