Cameron Sino replacement battery for Sony PRS-950 Daily Edition drains quickly

Poremskyi · Today, 06:03 AM

Dear all:

Some time ago the original battery on my Sony PRS-950 Daily Edition died (at least I got the impression because it refused to charge) and I decided to replace it. The only replacement available was a Cameron Sino battery, which I purchased. After an unsuccessful attempt at getting it to charge, I read here or someplace else that one needs to remove the NTC (or whatever it's called) and solder it to to the new battery, which I had a service shop do for me. The charging problem was thus solved, but another problem arose: the new battery drains quickly and behaves erratically. It can sometimes discharge in a matter of days (sometimes overnight when the reader is in standy!), and its behavior is often unpredictable.

I don't know which direction to pursue: could it be a faulty battery? Is it possible that the soldering was botched? The erratic behavior is there with both original Sony firmware and the PRS-Plus enhancement, so I don't think it's a software issue. Also, I get the impression that the rate of discharge depends on the .epub file I'm currently reading.

Please let me know what you guys think. Any help will be greatly appreciated.

JSWolf · Today, 07:05 PM

It could be the battery sat on the shelf for too long. The 940 was released at the end of October 2010. That's roughly 15 years ago.

Where is it you live? I know there are multiple sources for 950 batteries. But that depends on where you live. You can try Amazon or eBay.

Today, 06:03 AM	#1
Poremskyi Junior Member Posts: 10 Karma: 1196 Join Date: Dec 2017 Device: Sony PRS-505, Sony PRS-950 Daily Edition, Sony PRS-T3, PocketBook iP3	Cameron Sino replacement battery for Sony PRS-950 Daily Edition drains quickly Dear all: Some time ago the original battery on my Sony PRS-950 Daily Edition died (at least I got the impression because it refused to charge) and I decided to replace it. The only replacement available was a Cameron Sino battery, which I purchased. After an unsuccessful attempt at getting it to charge, I read here or someplace else that one needs to remove the NTC (or whatever it's called) and solder it to to the new battery, which I had a service shop do for me. The charging problem was thus solved, but another problem arose: the new battery drains quickly and behaves erratically. It can sometimes discharge in a matter of days (sometimes overnight when the reader is in standy!), and its behavior is often unpredictable. I don't know which direction to pursue: could it be a faulty battery? Is it possible that the soldering was botched? The erratic behavior is there with both original Sony firmware and the PRS-Plus enhancement, so I don't think it's a software issue. Also, I get the impression that the rate of discharge depends on the .epub file I'm currently reading. Please let me know what you guys think. Any help will be greatly appreciated.

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Today, 07:05 PM	#2
JSWolf Resident Curmudgeon Posts: 82,179 Karma: 150871427 Join Date: Nov 2006 Location: Roslindale, Massachusetts Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3	It could be the battery sat on the shelf for too long. The 940 was released at the end of October 2010. That's roughly 15 years ago. Where is it you live? I know there are multiple sources for 950 batteries. But that depends on where you live. You can try Amazon or eBay.

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