Canon LP-E6 Battery Pack when used with the Canon LC-E6 Charger (Compatible with Canon EOS 5D Mark III, EOS 5D Mark II, EOS 6D, EOS 7D, EOS 70D,
I've never seen failures with real Canon batteries in the body itself, but Canon's grips are notorious for this problem. Loosening the grip a little and retightening it will typically fix the problem is that's the issue.
The Canon 5D Mark III uses the same battery as the Canon 5D Mark II, which is rated at 950 shots. I found no problems with battery usage and the battery indicator seems to be pretty accurate. My first run was about 900 shots total and that’s considering that I zoomed in and viewed a lot of the first images.Buy Vello BG-C9-2 Battery Grip for Canon 5D Mark III, 5DS, and 5DS R Cameras featuring For Canon 5D Mark III, 5DS, and 5DS R, Comfort and Control in Vertical Position, Vertical Position Shutter Release Button, Vertical Position Control Buttons & Dial, Holds Two LP-E6 Type Batteries, Works with 6 AA/LR6 Batteries, Extends Shooting Time, Camera Battery Door Holder, Hand Strap Mount, 1/4"-20
Many PROs still use the Canon 5D Mark 3 and some even the 5D Mark 2. These are still excellent cameras. (primarily for battery life in my case), Canon is showing every sign of wanting to moveFeatures & Benefits of 5D Mark III VS Canon 5D Mark IV Design. Both devices are designed with a 100% optical viewfinder. Talking about the size & weight of these devices. The Canon 5D Mark III body weight is 950. On the other hand, the Canon 5D Mark IV weighs 890g, and its dimension is 3 x 5.9 x 4.6 inches. DisplayEvbq.