I have a battery charger that uses USB and will charge the batteries on my R5. The power brick will also charge my R5 but if that doesn't work for you, the batteries could be recharged outside the camera. I'm guessing as I've never used a 1DX3. On my R5 the USB-C charger has to have Power Delivery (PD) to work as regular USB-C charges don't
Artman 2-Pack LP-E17 Batteries and Rapid Dual USB Charger for Canon EOS R50 RP R10 R8,Rebel T8i, T7i, T6i, T6s, SL2, SL3, EOS M3, M5, M6, EOS 200D, 77D, 750D, 760D, 800D, 8000D, Digital SLR Camera. 5,808. 1K+ bought in past month. $2649. Save 5% with coupon. FREE delivery Thu, Jan 4 on $35 of items shipped by Amazon. Attaching and Charging the Battery Pack. Turn off the camcorder. Attach the battery pack to the camcorder. - Press the battery pack softly into the battery attachment unit and slide it up until it clicks in place. Connect the power cord to the adapter. Plug the power cord into a power outlet. Charging will start when the camcorder is turned off.
Before use, make sure the following items are included in the package. If anything is missing, contact your camera retailer. Camera Battery Pack NB-6LH* Battery Charger CB-2LY/CB-2LYE Neck Strap Lens Cap (with cord) * Do not peel off the adhesive covering from a battery pack. Printed matter is also included. A memory card is not included (=2).
