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PowerBank with Laptop batteries

by Alti94

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batteries laptop powerbank xiaomi powerbank

Here is my design of a powerbank i "copied" from Xiaomi. It is the same concept, i used flat lipo batteries from a macbook.
Here is the module i used:

https://it.aliexpress.com/item/5V1A-2A-Mobile-Power-Bank-Charger-Module-Step-Up-Power-Boost-Supply-Circuit-PCB-Board-Charging/32807277124.html?spm=a2g0y.search0104.3.70.2e494b14QTKFiC&ws_ab_test=searchweb0_0,searchweb201602_5_10065_10068_319_317_10696_453_10084_454_10083_433_10618_431_10304_10307_10820_10821_537_10302_536_10843_10059_10884_573

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