R5 MkII only works with Canon Batteries.

artsupreme
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p.2 #1 · p.2 #1 · R5 MkII only works with Canon Batteries.

moondigger wrote:
I thought I read that the R5 Mark II came with a different model charger. I don't have an R5 Mark II, so I can't confirm this.

The R5II comes with the same old charger, no change to the LC-E6. I left it in the box as I have about 6 spares laying around.

Aug 10, 2024 at 06:33 PM

Mike Jacks0n
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p.2 #2 · p.2 #2 · R5 MkII only works with Canon Batteries.

From what I understand, the chemistry of the battery completely determines the voltage. Lithium Ion has a nominal voltage of 3.7v (3.7v x 2 cells to equal 7.4v which is the nominal voltage of the LP-E6 type batteries). BTW, nominal meaning the class of chemistry the battery is made for (or a generalization). The only way to add voltage is to add cells, which seems unlikely. I'm guessing the 8.4v is in regard to its maximum rated voltage, which is similar on past LP-E6 batteries (as referenced by the full charge voltage). With past LP-E6's, they have never added the maximum voltage to the label, if they did this time, it could be the cause of the confusion. For example, Fuji adds both the nominal and maximum voltages to their labels but it's not super clear what the distinctions are. If it were really an 8.4v nominal voltage it would fully charge to a value greater than that, which I doubt, especially using the same charger. Voltage is one of the key factors in limiting the amount of charge or determining the state of charge.

However, I'd bet the cells have been improved to have a greater discharge rate, or higher amperage potential. This would be useful when using features that require more horsepower to run. That said, I don't really understand why the pre-shooting feature needs it in electronic shutter. But I imagine they know what they are doing and did it for a good reason other than profits.

Aug 11, 2024 at 11:03 AM

Flowernut
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p.2 #3 · p.2 #3 · R5 MkII only works with Canon Batteries.

it looks like canon is not satisfied with locking out 3rd party lenses but not plans to do the same with batteries.

Aug 11, 2024 at 03:46 PM

Photonadave
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p.2 #4 · p.2 #4 · R5 MkII only works with Canon Batteries.

It's now reported that Canon is not specifically blocking the use of third party batteries with the R5 MkII, however some of its new features may not function without the LP-E6P battery.

See here:
https://petapixel.com/2024/08/13/canon-says-its-not-blocking-third-party-batteries-in-the-r5-ii/

I feel that the third party battery manufacturers will catch up in the near future.

Aug 14, 2024 at 10:35 AM

Hairy Heron
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p.2 #5 · p.2 #5 · R5 MkII only works with Canon Batteries.

Mike Jacks0n wrote:
That said, I don't really understand why the pre-shooting feature needs it in electronic shutter.

Me neither but maybe this is why the R7 and R6II have such an unfriendly way of doing pre-shooting. I agree, it would be odd for Canon to design a new battery just as a $ scheme because 1) it annoys buyers but also 2) Canon is going to profit off battery sales for as long as batteries become exhausted. A new battery model might accelerate the purchase of fresh batteries but I doubt it makes a dent in total battery sales long term. Plus the "P" battery is no more expensive than the "NH" model so it's not a defacto price increase either, which they could have done if they wanted since the battery is pretty much required and there are no other options at this point.

Aug 14, 2024 at 03:31 PM

Gochugogi
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p.2 #6 · p.2 #6 · R5 MkII only works with Canon Batteries.

Flowernut wrote:
it looks like canon is not satisfied with locking out 3rd party lenses but not plans to do the same with batteries.

Happens with each battery upgrade. The aftermarket manufacturers simply need a little time to reverse engineer the design and you can enjoy clone batteries galore.

Aug 14, 2024 at 04:36 PM

Flowernut
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p.2 #7 · p.2 #7 · R5 MkII only works with Canon Batteries.

New clone batteries. The oldR5 batteries are trash

Aug 15, 2024 at 10:34 AM

EB-1
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p.2 #8 · p.2 #8 · R5 MkII only works with Canon Batteries.

Mike Jacks0n wrote:
From what I understand, the chemistry of the battery completely determines the voltage. Lithium Ion has a nominal voltage of 3.7v (3.7v x 2 cells to equal 7.4v which is the nominal voltage of the LP-E6 type batteries). BTW, nominal meaning the class of chemistry the battery is made for (or a generalization). The only way to add voltage is to add cells, which seems unlikely. I'm guessing the 8.4v is in regard to its maximum rated voltage, which is similar on past LP-E6 batteries (as referenced by the full charge voltage). With past LP-E6's, they have never added...Show more →

Of course your post was prior to new batteries being widely available, but you are correct that the nominal charge voltage for the LP-E6P is 8.4 (4.2V/cell), just like every other Canon LP-E6x and the vast majority of similar cylindrical cells.

The main difference I am seeing is the battery management for the P battery is hanging in there at 8A, compared to the ~4A cutout for the NH battery. I have little doubt that the cells are qualified by the manufacturer for higher currents, so there are probably some differences in cell composition and construction. I wrote more in the LC-E6 thread. https://www.fredmiranda.com/forum/topic/1870183/

EBH

Aug 24, 2024 at 06:58 PM

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