Thingiverse
PowerBank (2xUSB)
von Fox_exe
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Powerbank from 9x18650 (~25.000mAh)
Dual-USB output with QuickCharge function.
Parts:
* LCD Digital capacity tester for 3s battery pack
* 9x18650 lithium cells
* 3S BMS (Battery charger/protection circuit)
* 5.5x2.1mm power jack for charger
* Power switch for turn on/off USB output
* Power button for turn on/off capacity tester
* Few wires
Dual-USB output with QuickCharge function.
Parts:
* LCD Digital capacity tester for 3s battery pack
* 9x18650 lithium cells
* 3S BMS (Battery charger/protection circuit)
* 5.5x2.1mm power jack for charger
* Power switch for turn on/off USB output
* Power button for turn on/off capacity tester
* Few wires
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