Gear Testathon carried out a variety of rigorous tests on a wide selection of portable chargers, with a price range of $20 to $130. The ZMI PowerPack 10000 and 20000 were featured in the YouTube video below. Check it out!
Can I Use the PowerPack 20K's Hub Mode To Connect a Flash Drive With an iPhone or iPad?
Q: Can I use the PowerPack 20K or PowerPack 20K Pro to connect my iPhone or iPad to a flash drive or external drive? A: If you have an iPad Pro or iPad Air with a USB-C port, you can simply double-...