08-12-2022, 11:24 AM
(08-12-2022, 10:09 AM)theold Wrote: Bigger than AA batteries.This charging board has very low output current. You'll need to charge more than one day.
Rechargeable
Parallel
USB Module convert 3.7 volt to 5 volt for charging the phone
https://shopee.sg/3-7V-to-5V-2A-Dual-Mic...e9EALw_wcB
https://www.youtube.com/watch?v=BH-M9FBEOJg