Recently purchased the Canon BG-E14 battery grip to replace a third party battery grip for my new EOS 70D. The reason for replacing the third party grip with the more expensive Canon grip was a problem with using AA batteries with the third party product. At the time, I thought the reason the AA batteries were not working was because the grip was not a Canon product.
Turns out the Canon BG-E14 battery grip also does not work with AA batteries, but I not sure now if it's the grip or the camera causing the issue. I need to use AA batteries because of camping for long periods of time (no access to electricity) in remote areas. The battery indicator will show “Full” for about five minutes, then quickly go down to empty. The camera will shut down after about 6 minutes and if you keep turning the camera back on then you can continue shooting a few more pictures. I have use other Canon battery grips in the past with AA batteries with no issues, so again maybe the issue is with the new EOS 70D.
Does anyone have any knowledge on what could cause this issue of the AA batteries not working with the EOS 70D battery grip BG-E14? AND how is Canon fixing this issue (since this is an expensive Canon product that is not working as designed)?
Thanks, 


