View Single Post
Old 06-29-2020, 04:07 AM   #12
Quoth
Still reading
Quoth ought to be getting tired of karma fortunes by now.Quoth ought to be getting tired of karma fortunes by now.Quoth ought to be getting tired of karma fortunes by now.Quoth ought to be getting tired of karma fortunes by now.Quoth ought to be getting tired of karma fortunes by now.Quoth ought to be getting tired of karma fortunes by now.Quoth ought to be getting tired of karma fortunes by now.Quoth ought to be getting tired of karma fortunes by now.Quoth ought to be getting tired of karma fortunes by now.Quoth ought to be getting tired of karma fortunes by now.Quoth ought to be getting tired of karma fortunes by now.
 
Quoth's Avatar
 
Posts: 14,491
Karma: 107078855
Join Date: Jun 2017
Location: Ireland
Device: All 4 Kinds: epub eink, Kindle, android eink, NxtPaper
Quote:
Originally Posted by happysnapper22 View Post
Lithium batteries can be reluctant to charge if run down completely or left discharged for a long time. Sometimes they can be 'woken up' by charging with a USB battery power bank type device rather than a mains charger even then might take couple of hours to get it going. If it works once battery is at 20% or so revert to mains charger if desired.
Likely makes no difference on any Kindle with a 4 pin cell connector, i.e. a controller in the cell pack.

There is a fire / explosion risk charging a totally flat lithium cell which is why the "empty" symbol isn't meaning really flat. Devices turn off when the battery is too low and generally won't charge at all if the battery is really flat or too flat. Manually charging a "naked" pouch or cylindrical cell is a good way to cause a fire or explosion. Also no Lithium cell is trickle charged when full, as that also is dangerous. The charger will pulse on and off as the battery/cell discharges.
Quoth is offline   Reply With Quote