Batteries swelling!

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Adrian Harris
Adrian Harris Veteran Member • Posts: 7,454
Batteries swelling!
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I report this as it may be of interest to some:

I have all my m43 cameras since 2009 and up until now have never had any problems with aftermarket batteries for these.cameras: G1, GX7, Gx8, Em1-Mk2. (And a Sony rx100 MK1)

They have always held charge and provided as much power as original batteries, however recently I have noticed something strange...

After getting the Em1-Mk2 except for gx8 I rarely used the others and after a few years their batteries went flat.

After recharging them about a year ago I noticed the aftermarket rx100 battery had swollen a lot and would no longer fit (it was at least 9 yes old). The genuine Panasonic hasn't swollen - yet.

A year later one of the aftermarket GX7 batteries is refusing to charge, but at £7 for 8 years use that's okay.

And last night I went to pop a 4 year old aftermarket battery which I had let go completely flat into the gx8 and noticed the fit was now a bit snugger than it used to be, but has charged fully, so I am wondering whether to bin that one also, even though it still works!

I haven't checked all my em1-mk2 batteries yet, but boy have they had a hammering over the last 5 years!

No genuine batteries have swollen yet!

Note. In use I don't favour any battery when I go shooting, I just grab any out of the drawer.

I draw the conclusion that aftermarket batteries are really good, as long as you don't leave them flat for very long periods of time, in fact maybe I shouldn't ever leave any li-on go flat?

What are other people's findings and routine?

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 Adrian Harris's gear list:Adrian Harris's gear list
Sony RX100 Panasonic Lumix DMC-G1 Sony SLT-A77 Panasonic Lumix DMC-GX7 Panasonic Lumix DMC-GX8 +1 more
Olympus E-M1 Panasonic Lumix DMC-GX7 Panasonic Lumix DMC-GX8 Sony Cyber-shot DSC-RX10 Sony RX1 Sony RX100
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