USB Charger Stand (Making My Own) ?
Cellulars, Kindle, Nook, Yadda. Too many gizmos to count, it seems like. And the ebooks much prefer gentle charge rates (current limiters). Then there is Mexican electricity. In a fit of optimism, I p...
Forum Discussion
Your project brought some questions to mind:
1. Are the lithium batteries in most of today's small, personal, mobile devices 3.7 volts?
2. If so, why does the multi-output USB charger I recently bought have it's outlets labeled at different values of current output?
3. In other words, why do some 3.7 volt lithium batteries need to be charged at lower current USB charging ports than other 3.7 volt lithium batteries ... and how does one know which current output capability USB port to use on a multi-output charger?
:h
1. Are the lithium batteries in most of today's small, personal, mobile devices 3.7 volts?
2. If so, why does the multi-output USB charger I recently bought have it's outlets labeled at different values of current output?
3. In other words, why do some 3.7 volt lithium batteries need to be charged at lower current USB charging ports than other 3.7 volt lithium batteries ... and how does one know which current output capability USB port to use on a multi-output charger?
:h
