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3rd party batteries for A7 series

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Miranda F View Drop Down
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Joined: 11 January 2014
Country: United Kingdom
Location: Bristol
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Posts: 3721 		Post Options Post Options   Quote Miranda F Quote  Post ReplyReply Direct Link To This Post Posted: 09 January 2021 at 01:16
Originally posted by woodrim woodrim wrote:

Originally posted by Miranda F Miranda F wrote:

... When they swell up they're usually not good, ...


What?      They swell? I've noticed one of my batteries suddenly fitting more snugly in the camera. Is that what is happening?

Yep. They will go on working for a while but I wouldn't use them in anything expensive. When they deteriorate that way they can overheat.
There used to be warnings of Lithium cells catching fire on charging, and they always recommended never to charge them in situ, though nowadays charging in situ is pretty much unavoidable with phones.
Miranda F & Sensorex, Sony A7Rii, A58, Nex-6, Dynax 4, 5, 60, 500si/600si/700si/800si, various Sony & Minolta lenses, several Tamrons, lots of MF primes and *far* too many old film cameras ...
 



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addy landzaat View Drop Down
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Joined: 22 April 2006
Country: Netherlands
Location: Netherlands
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Posts: 11368 		Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 09 January 2021 at 09:13
Originally posted by QuietOC QuietOC wrote:

Li-ions seem to prefer partial charges. Apple iOS devices purposely will not fully charge themselves. "To reduce battery aging, iPhone learns from your daily charging routine so it can wait to finish charging past 80% until you need to use it."
As usual, Apple was late to introduce this. My Sony phones did this years before Apple introduced this. But Apple is great in marketing these things.

Car batteries also do not fully load btw.

Originally posted by Miranda F Miranda F wrote:

When they swell up they're usually not good
Why not follow me on Instagram? @Addy_101
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dCap View Drop Down
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Joined: 11 August 2005
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Posts: 6124 		Post Options Post Options   Quote dCap Quote  Post ReplyReply Direct Link To This Post Posted: 09 January 2021 at 12:20
Please do not use batteries that swell.

Li-Ion is not a fun thing when it goes wrong.
Look up Samsung Galaxy Note Exploding bBattery on any search engine and watch the videos.
These are not pranks.

If you value the home you live in, and the people that are in it, then find a safe place to dispose of any battery that swells (today, like right now) and buy a proper replacement - saving a few pennies on a explosion and fire risk is not worth losing your home over.
Walk out if it doesn't feel right
I can tell you're only lying
If you've got something better tonight
Then don't mess up my mind with your crying
Just Walk Out In The Rain
Eric Clapton, 1978
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