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.