DIY powerbank using 4x 18650 batteries 

#powerbank #diyelectronics #batterypack
This is another powerbank that I have put together recently. Uses 4x 18650 cells from an old charger pack. In the video is a process, where I migrated cells inside the new housing.
DIY powerbank kit in the video:
www.aliexpress...
* Recently, AliExpress stopped selling rechargeable batteries and related items to Korea. It might be available in other places, but I cannot be sure.
My previous power bank the yellow one:
• Do-it-yourself powerba...
The other power bank, the blue one:
• DIY Power bank that wa...