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21700 Powerbank Barrel DCDC Step Up

21700 Powerbank Barrel DCDC Step Up

thingiverse

This is a 2 parts 21700 powerbank case. It is made for these small 5V 2.1A powerbank modules shown in the description. The module is pressfit into the front cap, the battery is soldered to it with 2 wires. The barrel is made so the battery can spin freely with the cable. Modules used: https://www.aliexpress.com/item/1005002856774415.html I use Samsung INR21700 50E Version 2 5000mAh cells.

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