PRS-T2 T2 -- suddenly discharging rapidly

rcentros · 10-12-2014, 10:38 PM

All of the sudden my T2 is (or was) discharging in less than a day with WiFi turned off. Battery life had been very good -- it still takes three or four hours to charge, so I think the battery is strong. I do think I did put a new book on it before this started (book now deleted). I've also hit the reset button. Is there anything else I should look at? Or should I just wait to see if it discharges rapidly again?

HarryT · 10-13-2014, 03:37 AM

If it happens again it probably means that your battery has died. I understand that replacing the battery on the T2 is pretty straightforward, though, should you wish to do so.

rcentros · 10-13-2014, 04:58 AM

Quote:

Originally Posted by HarryT

If it happens again it probably means that your battery has died. I understand that replacing the battery on the T2 is pretty straightforward, though, should you wish to do so.

I don't think it's the battery, at least it's not acting like a weak battery normally acts for me. Usually a weak battery charges very quickly. This one still takes three hours (or so) to charge. Besides, up until this happened a couple days ago, I was getting three weeks to a month on the battery life without issues -- and it didn't show any weakening.

But, you're right, if it is the battery, it looks to be a pretty straightforward replacement. So far, since deleting the book and resetting, it appears to be holding a charge again. I'll keep a close eye on it and report back.

4691mls · 10-13-2014, 10:33 AM

The rapid discharge problem has happened a few times with my PRST1. Deleting a recently downloaded book fixed the problem.

rcentros · 10-13-2014, 01:31 PM

Quote:

Originally Posted by 4691mls

The rapid discharge problem has happened a few times with my PRST1. Deleting a recently downloaded book fixed the problem.

That appears to be the issue here, too. So far so good since I removed the last book -- the battery is still up and fully charged. I wonder what causes the problem -- maybe something like the indexing issue with a Kindle Touch? (Although that didn't seem to be nearly as drastic.)

4691mls · 10-14-2014, 08:37 AM

I have no idea what causes the problem - I'm not all that tech savvy. However, I've seen "delete recent book in case it's bad" suggested on Mobileread as a possible solution to various problems. Maybe someone who knows more than I will come along and explain

rcentros · 10-14-2014, 11:46 PM

It looks like the new book was the problem. Ever since I deleted it and hit the reset button (I'm guessing hitting the reset button wasn't necessary) I haven't had an issue. The battery is back to its old strong self. It makes me a little leary of loading another book converted from Mobi to EPub in Calibre on it, however.

4691mls · 10-15-2014, 09:44 AM

Quote:

Originally Posted by rcentros

It looks like the new book was the problem. Ever since I deleted it and hit the reset button (I'm guessing hitting the reset button wasn't necessary) I haven't had an issue. The battery is back to its old strong self. It makes me a little leary of loading another book converted from Mobi to EPub in Calibre on it, however.

My books are purchased epubs or Overdrive library epubs, not converted or messed with in any way, and I still had the discharge issue, so it's probably not your fault!

Ghitulescu · 10-15-2014, 12:12 PM

Battery discharging occurs when the eReader needs more power. It may be that the book somehow activates the WLAN (maybe it's not true, but if it is it may be a feature eg when an ePub has a live link to outside world like amazon.com). It may be that it contains a recurrent formatting error and the CPU spends energy in solving the formatting (more likely, there are cases when wrongly formatted books blocked the Sonies). Humidity inside can probably also not be that easily dismissed.

10-12-2014, 10:38 PM	#1
rcentros eReader Wrangler Posts: 7,888 Karma: 52039845 Join Date: Mar 2013 Location: Boise, ID Device: PB HD3, GL3, Tolino Vision 4, Voyage, Clara HD	T2 -- suddenly discharging rapidly All of the sudden my T2 is (or was) discharging in less than a day with WiFi turned off. Battery life had been very good -- it still takes three or four hours to charge, so I think the battery is strong. I do think I did put a new book on it before this started (book now deleted). I've also hit the reset button. Is there anything else I should look at? Or should I just wait to see if it discharges rapidly again?

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10-13-2014, 03:37 AM	#2
HarryT eBook Enthusiast Posts: 85,544 Karma: 93383099 Join Date: Nov 2006 Location: UK Device: Kindle Oasis 2, iPad Pro 10.5", iPhone 6	If it happens again it probably means that your battery has died. I understand that replacing the battery on the T2 is pretty straightforward, though, should you wish to do so.

10-13-2014, 10:33 AM	#4
4691mls Wizard Posts: 2,776 Karma: 30081762 Join Date: Jan 2012 Location: US Device: ALL DEVICES ARE STOCK: Kobo Clara, Tolino Shine 2, Sony PRS-T3, T1	The rapid discharge problem has happened a few times with my PRST1. Deleting a recently downloaded book fixed the problem.

10-14-2014, 08:37 AM	#6
4691mls Wizard Posts: 2,776 Karma: 30081762 Join Date: Jan 2012 Location: US Device: ALL DEVICES ARE STOCK: Kobo Clara, Tolino Shine 2, Sony PRS-T3, T1	I have no idea what causes the problem - I'm not all that tech savvy. However, I've seen "delete recent book in case it's bad" suggested on Mobileread as a possible solution to various problems. Maybe someone who knows more than I will come along and explain

10-14-2014, 11:46 PM	#7
rcentros eReader Wrangler Posts: 7,888 Karma: 52039845 Join Date: Mar 2013 Location: Boise, ID Device: PB HD3, GL3, Tolino Vision 4, Voyage, Clara HD	It looks like the new book was the problem. Ever since I deleted it and hit the reset button (I'm guessing hitting the reset button wasn't necessary) I haven't had an issue. The battery is back to its old strong self. It makes me a little leary of loading another book converted from Mobi to EPub in Calibre on it, however.

10-15-2014, 12:12 PM	#9
Ghitulescu Fanatic Posts: 563 Karma: 403106 Join Date: Aug 2014 Device: PRS-T1	Battery discharging occurs when the eReader needs more power. It may be that the book somehow activates the WLAN (maybe it's not true, but if it is it may be a feature eg when an ePub has a live link to outside world like amazon.com). It may be that it contains a recurrent formatting error and the CPU spends energy in solving the formatting (more likely, there are cases when wrongly formatted books blocked the Sonies). Humidity inside can probably also not be that easily dismissed.

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