Flattening the battery to recalibrate

nimble · 03-06-2010, 07:26 PM

What's the best way to flatten the battery quickly? I'd like to calibrate the battery before we go travelling, and haven't got time to read the battery flat. Can I do a few cycles of plugging it into the computer while it's sleeping and then recharging? Will that do the trick, or does it need to be read to death, as it were?

How many cycles would it take?

Thanks

Oops, that title should read calibrate, not recalibrate I believe, thank you sleep deprivation!

Patricia · 03-06-2010, 07:40 PM

The fastest way to deplete the battery is to load and play some music.

elcreative · 03-06-2010, 08:26 PM

Lion batteries do not require total flattening... in fact they dislike it... this is a myth hangover from the days of NiCd batteries and their memory effect.

Bremen Cole · 03-06-2010, 08:33 PM

Quote:

Originally Posted by elcreative

Lion batteries do not require total flattening... in fact they dislike it... this is a myth hangover from the days of NiCd batteries and their memory effect.

This is true.... endless debate, arguments and angst on the subject (and I will not enter into such a debate) but this is the reality..... you can find endless web links backing this myth, but they are just old rehashes of old information.....

But, do as you like, it really won't harm anything....

georget99 · 03-06-2010, 09:00 PM

If you carelessly discharge and randomly charge a Li-Ion battery it will last about 3 years. If you are extremely careful, fully charge and discharge according to best practices and micromanage your life and reading schedule to accomplish this, it will last about 36 months.

Enjoy your travel, take a charger, and stop reading long enough to look at the scenery.

Bremen Cole · 03-06-2010, 09:19 PM

Quote:

Originally Posted by georget99

If you carelessly discharge and randomly charge a Li-Ion battery it will last about 3 years. If you are extremely careful, fully charge and discharge according to best practices and micromanage your life and reading schedule to accomplish this, it will last about 36 months.

Enjoy your travel, take a charger, and stop reading long enough to look at the scenery.

True, and very well said.....(wish I could think of stuff like that)

nimble · 03-06-2010, 09:28 PM

Ah, I didn't realise this was one of *those* subjects. Is the battery gauge reliable without calibrating, or is that question under debate too! :lol:

Good to know that audio files chew through power, I should have thought of that one.

Hehe Georget, touche!

Thanks everyone.

03-06-2010, 07:26 PM	#1
nimble Member Posts: 18 Karma: 22 Join Date: Feb 2010 Device: Sony PRS 300	Flattening the battery to recalibrate What's the best way to flatten the battery quickly? I'd like to calibrate the battery before we go travelling, and haven't got time to read the battery flat. Can I do a few cycles of plugging it into the computer while it's sleeping and then recharging? Will that do the trick, or does it need to be read to death, as it were? How many cycles would it take? Thanks Oops, that title should read calibrate, not recalibrate I believe, thank you sleep deprivation! Last edited by nimble; 03-06-2010 at 09:32 PM. Reason: not paying attention?

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03-06-2010, 07:40 PM	#2
Patricia Reader Posts: 11,504 Karma: 8720163 Join Date: May 2007 Location: South Wales, UK Device: Sony PRS-500, PRS-505, Asus EEEpc 4G	The fastest way to deplete the battery is to load and play some music.

03-06-2010, 08:26 PM	#3
elcreative Wizard Posts: 2,888 Karma: 5875940 Join Date: Dec 2007 Device: PRS505, 600, 350, 650, Nexus 7, Note III, iPad 4 etc	Lion batteries do not require total flattening... in fact they dislike it... this is a myth hangover from the days of NiCd batteries and their memory effect.

03-06-2010, 09:00 PM	#5
georget99 Member Posts: 12 Karma: 10 Join Date: Feb 2010 Location: Cape Cod Device: PRS-300	If you carelessly discharge and randomly charge a Li-Ion battery it will last about 3 years. If you are extremely careful, fully charge and discharge according to best practices and micromanage your life and reading schedule to accomplish this, it will last about 36 months. Enjoy your travel, take a charger, and stop reading long enough to look at the scenery.

03-06-2010, 09:28 PM	#7
nimble Member Posts: 18 Karma: 22 Join Date: Feb 2010 Device: Sony PRS 300	Ah, I didn't realise this was one of those subjects. Is the battery gauge reliable without calibrating, or is that question under debate too! :lol: Good to know that audio files chew through power, I should have thought of that one. Hehe Georget, touche! Thanks everyone.

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