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Hey DIYers!

Want to build your own power bank?

Here's the perfect start.
It's a white plastic case designed to hold a single 18650 battery (battery not included, of course).

It comes with the built-in USB charging board and all the electronics, so you just need to add your own 18650 cell and you've got a portable charger for your phone or devices.

It's compact, lightweight, and easy to assemble.

Great for a weekend project or if you have spare 18650s lying around.
Made in China, unbranded, but a fun and useful little gadget to put together.
5 out of 5