Amazon.co.jp: Yoobao Portable Power Supply, Large Capacity, 614Wh/700W (Instantaneous Maximum 1400W / 100V Japanese Specifications), Iron Phosphate Battery, Portable Battery, Up to 1.4 Hours Full Charging, Pure Sine Wave, 50/60Hz Switchable, Household
Amazon.co.jp: BLUETTI EB70S Portable Power Supply, Large Capacity, 716Wh AC800W (Instant Max 1400W), USB/DC, Wireless Output, Solar Fast Charging, Lithium Iron Phosphate, Small, Lightweight, Pure Sine Wave, MPPT Control System, Backup Battery
Amazon.co.jp: Anker 521 Portable Power Station (PowerHouse 256Wh) (6x Long Life, Portable Power Supply, 256Wh), Iron Phosphate, Lithium Ion Battery, 3,000 Times or More, Heavy Duty, AC 200W, Pure Sine Wave, PowerIQ