Good manual, easy to follow instructions. Comes with both a Canon battery insert (holds two Canon batteries - battery not included), and a 6xAA battery insert, so the camera is good to go with rechargeable batteries if your Canon dies. Solidly made, it feels like part of the camera once it's installed. Canon 5D Mark III Review - 5D Mark III Specifications. Photo News. Battery Life, Stills (CIPA Rating Monitor/Live View): Battery Form Factor: Proprietary LP-E6: Usable Battery Types The 5D Mark III's dedicated Battery Grip BG-E11 has buttons and a multi-controller and delivers seamless performance whether the camera is oriented vertically or horizontally. It accommodates 2 LP-E6 batteries or an included AA battery magazine, and is very helpful in counter-balancing large lenses when shooting handheld. I have let my 5D Mark iii go for months without charging batteries without problem, even taking it out and using it occasionally. I have all official Canon gear and I think the longest period yet without charging is probably about 5 months and that was due to use, not loss of charge. Provides Secure Grip. Custom-Fit Silicone Material. Slim Design & Smooth Texture. Slim and smooth, this Silicone Protection Cover in black for the Canon EOS 5D Mark III, 5DS & 5DS R from easyCover will protect your camera body from bumps, scratches, sand, and dust. The custom-fit silicone skin provides a secure grip. Learn to use a battery grip for your CANON 5D Mark III. Battery grips are a great way for you to get the extra power your camera needs for a long day of work Holds One NP-W126 Battery. Vello BG-C10 Battery Grip for Canon 70D, 80D & 90D DSLR Camera. B&H # MFR # BG-C10. Comfort and Control in Vertical Position. Vertical Position Shutter Release Button. Vertical Position Control Buttons & Dial. Holds One or Two LP-E6 Batteries. Vello BG-S5 Battery Grip for Sony Alpha a6500. B&H # MFR # BG-S5. Compatible with select Canon digital cameras. Including EOS R, EOS 6D, EOS 7D, EOS 70D, EOS 80D, EOS 90D, EOS 5DS R, EOS R5, EOS R6, EOS Ra, EOS 5D Mark II, EOS 5D Mark III, EOS 5D Mark IV, EOS 6D Mark II, EOS 7D Mark II, XC10, 60Da VELLO BG-C9 Battery Grip for Canon 5D Mark III. Brand: VELLO. 4.0 140 ratings. | 15 answered questions. Compatible with Canon 5D Mark III DSLR | Compatible with Canon 5DS and 5DS R DSLR | Comfort and Control in Vertical Position. Vertical Position Shutter Release Button | Vertical Position Control Buttons & Dial. Canon EF 28-135 IS USM 3.5-5.6 lens focusing issue in EF & RF Lenses 09-15-2023; Firmware Update Issue on Canon EOS 5D Mark IV in Camera Software 08-28-2023; EOS M50 Battery Grip Availability in Camera Accessories 08-13-2023; EOS 5D Mark IV Battery Issues in Camera Accessories 08-12-2023; Replacement Canon BG-E20 battery magazine in Camera kyzS0a.