Erina Posted October 31, 2022 Posted October 31, 2022 If a 200mAh 3.7V battery (0.74Wh) takes 1.5hrs to charge over USB-C, is there any benefit to charging to one the of available higher standards above 3A (USB-C v1.2) i.e. USB PD v3.0 will charge at 20V/100W/5A. Many thanks.
MigL Posted October 31, 2022 Posted October 31, 2022 At 200 mAh, this is too small for a cell phone battery, and that is the only familiarity I have with USB-C fast charging. I'm fairly certain that, for cell phones at least, the charging rate is determined by the phone's electronic battery controller, and simply switching to a higher rated charger won't make any difference. ( I think my Samsung gets 50 % chrge in half hour )
Erina Posted November 1, 2022 Author Posted November 1, 2022 It was actually for a rechargeable battery in a torch: https://cyanskylight.com/product/m1r-multifunctional-keychain-light/
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