I’m looking for something like this…
duracell.com/en-US/product/i … arger.jspx
I found one at GuangHua not long ago but it was big and needed AA batteries.
Plenty shops near the computer market carries them. Either downstairs under TK3C or in the alley just behind. They won’t look as fancy though. Depending on what you’re going to charge with it, make sure you get one that can deliver enough power, as some of them are really el’cheapo models that only delivers 300mA…