7D LP-E6 OEM Battery won't fullly charge.

From the first day I charged both my NEW LP-E6 batteries, I had one always fully charge at 100% and the other at 98% according to my 7D menu screen.

Is this something to worry about? Should I have the battery exchanged?

Thx

How long have you had them ? ..
After a few charge/discharge cycles both mine always show 100%

Is the charger LED switching to solid green?
Do you see any reduced performance on the battery (as in, does it last any less long)?

Probably not a problem...

I have discharged them both to about 60% max and have done this this cycle for 6 times now. The green light lights up and One shows 100 the other 98 always.

Calling Canon now.

Canon said to not worry about it. Just FULLY discharge it and charge it up again a few time...that may fix the problem. He said the only time to worry is if I see 80% max charge, then the battery would need to be changed.

The most mine have said is 99% but I still have 24% after 3500 shots when using a grip.

Mike R wrote in post #9621088
The most mine have said is 99% but I still have 24% after 3500 shots when using a grip.

Great info Mike...so that meens the batteries have a +- tolerance of maybe 1%.

WHen I use them together in my gripe they always keep tha 2% difference even after 400 pictures.

I think to get max performance from a battery you need to discharge it and a full recharge for several cycles, recharging when it is at 60% is probably not doing it any good.

artyman wrote in post #9621707
I think to get max performance from a battery you need to discharge it and a full recharge for several cycles, recharging when it is at 60% is probably not doing it any good.

Lipo and Lithium ion DETEST being full discharged.

The worst thing you can do to a Li-Ion or Li-Po is to fully dischage it . You are bringing it from one chemical to another chemical. It won't like that many times. The best is to always keep it charged to full at every chance you have. Like a cell phone, you should be charging it every night befor you sleep...if you want your battery to last.

http://www.batteryuniv​ersity.com/parttwo-34.htm

What Canon is saying to do.

gdl357 wrote in post #9622007
.. The worst thing you can do to a Li-Ion or Li-Po is to fully discharge it . You are bringing it from one chemical to another chemical. It won't like that many times. The best is to always keep it charged to full at every chance you have. Like a cell phone, you should be charging it every night befor you sleep...if you want your battery to last.
.. .

If storing Li-Ion batteries for long periods of time, they should be at just below fully charged (90%) .. and never fully discharged or fully charged.

Hi, I am writing this on an ibook that never shows more than 99%. I don't trust it's meter. I think Canon is right not to worry about it, but what they are not telling you makes me wonder.

karl b wrote in post #9623076
Hi, I am writing this on an ibook that never shows more than 99%. I don't trust it's meter. I think Canon is right not to worry about it, but what they are not telling you makes me wonder.

I think the chip is just there to stop you from buying 3rd party batts for your camer. They probably haven't perfected that side of the software/hardware. i have a feeling all cameras will have this, which would end 3rd party battery sales, but this will lead to people hacking batteries.

You can't fully discharged the canon OEM bats; the cam auto shuts down before the bat is fully discharged.
You would need to leave it sit for days, probably weeks after that for it to fully discharge.