I think a Pine A64 with a Lithium Battery is a better solution(you can a battery bank while using a Lithium Battery, which also allow hot swap of the battery ba

I think a Pine A64 with a Lithium Battery is a better solution(you can a battery bank while using a Lithium Battery, which also allow hot swap of the battery bank) Since you can get WiFi, Bluetooth and Gigabit Ethernet. After which you just need a pretty case and you are pretty much set.