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mtbdudex

macrumors 68030
Original poster
Aug 28, 2007
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Got my new Canon R5 , preparing to sell my 2014 bought 70D.
Comparing the nearly identical same battery charger LE-E6, I was surprised the 2022 one is 20% less powerful at 8.4V and 1.0A output vs the 2014 one at 8.4V and 1.2A output.
Besides that they look alike.
Wonder why Canon dialed down the current, it does increase recharging time obviously.
Possible Li-ion field “thermal incident” ?
Was there a recall on the higher powered ones and I missed the memo?
94bfbf9653ebce5ffcff85bee99f4287.jpg

issue ??
d8dda558dab144bef13fd9108b337ea7.jpg
 

mollyc

macrumors G3
Aug 18, 2016
8,064
50,730
that seems weird. i thought batteries had gotten more efficient over the years.
 

AlaskaMoose

macrumors 68040
Apr 26, 2008
3,586
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Alaska
More than likely a slower charging rate allows for packing more power into the new larger capacity battery while keeping it cooler during charging. The time it takes to charge the new one on the new charger is about the same as when charging the older batteries on the older charger. By the way, the older batteries can still be used on the R5 and R6, but they don't last as long as the new battery. I used to keep an older battery fully charged to use as a spare for my R6 when taking photos of sled dog races, but after taking several hundred photos the R6's battery still had plenty of capacity left. I just purchased a new battery (spare) for my R6, just in case :)

New and old charger explained here:
 
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dwig

macrumors 6502a
Jan 4, 2015
908
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Key West FL
It should also be noted that the amperage rating is the maximum current that the charger can output and that current is something that the attached device (battery in this case) draws. Amperage is not something that the charger "forces" on the battery. If the batteries only draw something less than 1A then there would be no difference in charging rate.
 

mtbdudex

macrumors 68030
Original poster
Aug 28, 2007
2,896
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SE Michigan
More than likely a slower charging rate allows for packing more power into the new larger capacity battery while keeping it cooler during charging. The time it takes to charge the new one on the new charger is about the same as when charging the older batteries on the older charger. By the way, the older batteries can still be used on the R5 and R6, but they don't last as long as the new battery. I used to keep an older battery fully charged to use as a spare for my R6 when taking photos of sled dog races, but after taking several hundred photos the R6's battery still had plenty of capacity left. I just purchased a new battery (spare) for my R6, just in case :)

New and old charger explained here:

This !!!
Is why I love our forum and members.
Truly thx.
 

AlaskaMoose

macrumors 68040
Apr 26, 2008
3,586
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Alaska
On a side note: batteries do not "draw" electrical power from chargers; only components with resistive circuits do (the camera, for example). All the battery does is to serve as a vessel or storage device to store the electrical energy being deposited in it by the charger. The charger in turn draws power from the electrical outlet, or from the electrical system of your automobile (for example).

The same happens when using your cellphone or laptop while the battery is being charged: in this case the cellphone draws power from the charger though the battery, but the battery itself does not draw power from the charger. The 12-VDC automobile batteries are another example. The automobile accessories, ECU and other systems, including the starting one, draw power from the battery until the moment the engine starts. From that moment on, the alternator takes the load from all the electrical systems in the vehicle, and at the same time it charges the battery.
 
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mtbdudex

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Aug 28, 2007
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I did read in detail the article on dpreview, it’s strange that apple went to usb-c higher current charging on iPhones for faster yet still full charge
 
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AlaskaMoose

macrumors 68040
Apr 26, 2008
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Alaska
I did read in detail the article on dpreview, it’s strange that apple went to usb-c higher current charging on iPhones for faster yet still full charge
The iPhone 13 has a Lightning connector. But a Magsafe charger charges the battery a lot faster than other chargers.

That said, the iPhone and most cellphone brands, incorporate circuitry that monitor and control charging rates and battery temperatures. Also the charging rates depends on battery composition and chemistry. So while the new Magsafe charger can charge the iPhone's battery a lot faster than other chargers, the battery chemical composition and design is different than older than the iPhone 8, thus the reason why not all iPhones can be charged with it at the same rate of speed.

Scroll down the page to "Learn More," and you will see additional restrictions relating to using the Magsafe charger:

If Canon, Nikon, Sony, and the rest would want to use even faster chargers than the existing ones, then they would have to redesign their respective batteries. But the easies and cheapest way to charge "the same battery but made with a larger capacity added to it, without a re-design", is by decreasing the charging voltage and current. Lithium-Ion does not react well to extreme temperatures, specially heat.

All there is to know about battery charging and methods can be found in here:
 
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