Amazon is currently offering the Joyroom 10,000mAh 22.5W Power Bank for just $10.49 after you apply coupon code "ZWCBR9JW". This is the great price for a 10,000mAh power bank, especially since it's equipped with some quality of life features like a big digital display and retractable cable. This Joyroom power bank features a 10,000mAh (37Wh) battery capacity. A 10,000mAh power bank will give you more than double the playtime. The 22.5W of Power Delivery is enough to charge the Nintendo Switch or Switch 2 at their fastest rate.