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Is it bad to leave a phone charging over night?

How long would you need to leave a phone plugged in to overcharge it?

Most Useful Answer CTPAHHIK  Jul. 28, 2011 at 13:20

You can't overcharge a phone. Stick with manufacturer supplier charger and it will be all good. Any other charger would work too as long as output voltage is the same (says what it is on the charger, if it does not something is really wrong).

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CTPAHHIK  Jul. 28, 2011 at 13:20

You can't overcharge a phone. Stick with manufacturer supplier charger and it will be all good. Any other charger would work too as long as output voltage is the same (says what it is on the charger, if it does not something is really wrong).

shuwaz  Jul. 28, 2011 at 23:42

Read the manual that came with your phone or contact the manufacturer to confirm! :p

blizzard7  Jul. 29, 2011 at 08:31

All modern phones have safety features and failsafes to stop this happening.

JanSt / MOD  Jul. 29, 2011 at 09:56

In fairness - a lot of phone shops still tell customers to fully charge the phone before starting it for the first time. Fact: happened to me when I bought a Bold: "don't turn it on before first full charge is finished"... ahem, yeah...only, the Bold turns automatically on when you plug in the charger :D o_O

shuwaz  Jul. 29, 2011 at 10:01

I remember reading in my E71 instruction guide about charging. It mentioned that leaving the charger switched on after fully charged actually caused damage to the battery. 8)

JanSt / MOD  Jul. 29, 2011 at 11:25

shuwaz...
I read that too. I also ignored it. I still have my old battered E71 with the original battery. Now and again I use it, and it still holds its charge, and it still beats all other smartphones that came after.

shuwaz  Jul. 29, 2011 at 11:32

LOL.
I gave my old E71 to a friend... he still has it now and hasnt replaced a thing for it! Ah well, at least Nokia has something to be proud of. They did make some excellent phones, shame they didnt move with the times and ditch Symbian for Android.

farfromout  Jul. 29, 2011 at 15:05

The first charge thing is important... The first time the battery charges, if left to full charge, will allow the battery to be used to its full extent. You can turn the device (yes, not just phones) aslong as it remains plugged in!

CTPAHHIK  Jul. 30, 2011 at 20:08

Don't think it matters, if you charge battery full the first time around or not. For battery to work at it full potential it needs to be charged to full and discharged to completely empty a few times. First few times battery will last shorter and remain that way until few complete change/dischange cycles. It's entirely up to you when you plan fully charge/fully discharge battery, but it's better to do it sooner than later.

If you don't let your battery discharge completely occasionally and keep pluging your phone to charge at around 50% it will develop a memory effect. Not battery memory effect, but phone one. Phone will show that battery drops quickly after 50% is used and it will last very long time at around less than 5%. As end user you will not be aware of that and keep thinking that battery is empty. Does not affect battery in any way, but messes up capacity calculation that is build into the phone.

phkl  Mar. 6, 2012 at 23:44

I think you will find lithium batteries are different to the old style

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