maemo.org - Talk - View Single Post - N9 battery goes straight from 100% to 94% coming off charge

	Win7Mac	2013-05-17 , 22:49
	Community Council \| Posts: 664 \| Thanked: 1,648 times \| Joined on Apr 2012 @ Hamburg	#17

Thanks for the hint, a good read. Most important message I take out of it:

"Several partial discharges with frequent recharges are better for lithium-ion than one deep one. Recharging a partially charged lithium-ion does not cause harm because there is no memory."

Also the link at the end of the article is worth a read: http://batteryuniversity.com/learn/a...ased_batteries
Most important message I take out of that:

Avoid charging a battery faster than 1C; a more moderate charge rate of 0.7C is preferred. Manufacturers of electric powertrains are concerned about super-fast charging of 20 minutes and less.

I probably stay away from the wall charger and use my PC if possible or even settle for a low-current charger.

But all that's not explaining why -while charging- status suddenly rises from 93 to 100%. Must be some kind of misallignment. I'll report after I get a calibration done. Last time I tried desperately to get the phone to not power up when connecting charger, but it just kept on booting even at ~dead battery...

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Nokia 5110 > 3310 > 6230 > N70 > N9 BLACK 64GB
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