134N3P module 26650 Li-Ion battery powerbank

Also check this out: https://www.thingiverse.com/thing:3110308

I had some cheap 18650 powerbanks that came to me as gifts. I use them from time to time to power some gadgets. The 18650 batteries it holds are crap as it can only output about 800mah. So I decided to harvest its electronics (134N3P module) and put into action a creepy 26650 5000mah lithium battery I had around. This design is a box to hold them together. The electronics are almost standard in lots of those cheapo powerbanks, co