p.1 #1 · HELP PLEASE Canon EOS R5 MK2 with BG-R20 grip
I need help trying to figure out how charge the 2 LPE6P batteries inside the grip using a PD-E2 usb power adaptor. There's no part of the instruction manual that tells you what to do regarding connection and procedure and how to tell if the batteries are charging and when they are fully charged. Thank you in advance. Jay
p.1 #2 · HELP PLEASE Canon EOS R5 MK2 with BG-R20 grip
In-camera battery charging seems to be a secondary function of the adapter. Its main purpose is to provide continuous power to the camera during studio use.
Since the manual does not mention use with a grip, you may just have to do some of your own empirical testing to see how it works. Report back and let us know!
I would not worry about overcharging. I'm certain that the camera and/or batteries have protection circuitry for that.
p.1 #4 · HELP PLEASE Canon EOS R5 MK2 with BG-R20 grip
Charging batteries in the grip works fine. You need a Power Delivery capable usb c charger. Plug it in to the usb c port on the side of the camera. I think mine is 60 watts. There are indicator lights on the grip at the bottom to tell you about charge progress.
p.1 #5 · HELP PLEASE Canon EOS R5 MK2 with BG-R20 grip
I bought a couple other chargers for my R5MkII batteries and the one thing I noted was that ONLY when charging IN camera with the grip does it get to 100%. The 3rd party chargers never seem to go over around 97 or 98%. It's weird. So I stick to charging in the grip. Works great
p.1 #6 · HELP PLEASE Canon EOS R5 MK2 with BG-R20 grip
I also occasionally charge the batteries in the grip (R5II and BG-R20), usually from a PD capable USB-C plug-in charger (140W capable, total output) plugged into the camera's USB-C port. It appears that the batteries charge sequentially. Once one is done, the second should start.
A battery in the grip is charging when the green LED by the respective battery icon on the back of the grip (left or right) is on. When plugging in a power supply to the camera's USB-C port, it may take a couple seconds for a green LED on the grip to light.
p.1 #8 · HELP PLEASE Canon EOS R5 MK2 with BG-R20 grip
CyberDyne wrote:
Sequentially? Canon is so weird with the need for sequential chargers.
I've got a great charger that will charge four LP-E6P (etc) at once in about 20 minutes with a PD capable USB c power brick.
The charger is in the camera, so it would need two charging circuits for two batteries. It cannot assume they at the same level.
It's not feasible to fully charge an LP-E6P in 20 minutes. That would mean greater than 3C current, about 6A. The battery is designed for NMT 1.2A. It can probably handle ~1.5A during parts of the charge cycle, but only if well controlled. The dumb 2-wire chargers can damage battery packs at high current levels.
The LP-E6P is kind of a disaster with not being adequate for the R5 II under load at low temperatures.
I think Sony did the right thing by making an entirely different battery with modern chemistry, higher capacity, and much faster native charging for their new cameras.
