Wich powerbanks should I use to power both sparky and Usbridge individualy removing jumper 28??
Personally I would recommend just using a single power supply (either AC-to-DC or USB powerbank)… instead of using separate.
I like the Mophie powerbanks. I’ve seen a couple online reviews where someone took some powerbanks apart and Mophie’s had the best build quality so I’ve just stuck with them since (not a scientific evaluation on my part, just finger in the air kind of thing). I think Apple sell Mophie too, so I assume Apple are happy with their quality.
I use this:
Tha you very muchas!!
If you have access to Amazon, save yourself $40 (rose gold) -