Has anyone tried these in an 18650 E-power? I'd like a cheap 5 volt PV.
The switch regulates the Epower but under voltage tests fresh off the charger they are around 4.2, When it reaches 3.6 it just won't work... so im wondering if these will work?
The switch regulates the Epower but under voltage tests fresh off the charger they are around 4.2, When it reaches 3.6 it just won't work... so im wondering if these will work?