In case others are looking for ways to power a Transcend for camping or emergency purposes, I've test and confirmed the following works: - 5.5mm*2.1mm female to 6.0mm Male Connector with needle (from AliExpress - $5): https://www.aliexpress.com/item/Conversion-head-DC-adapter-5-5-2-1mm-turn-to-6-0-4...