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Message: <blockquote data-quote="Klocq" data-source="post: 211488" data-attributes="member: 17399">I want to know if anyone else experience the problem I described: camera thinks that Eneloop XX batteries are low after only a few shots.From what I've observed, the batteries are not low. Proof of that is that I can continue shooting for hundreds of shots beyond the indicated low battery point. How many hundreds? I don't know for sure, since I've never shot until the batteries are completely dead.Same behavior with video. Low battery indicator comes on after 30 min or so (on and off, not continuous recording), but I can continue recording for at least another hour or two. I speculate that this is a defect in the D800's firmware, which probably is not accounting for the fact that LSD Ni-MH batteries have higher internal resistance than regular Ni-MH batteries and therefore doesn't deliver the expected current at the expected rate.I'm hoping for someone more knowledgeable that can confirm or bust this theory.As to your statement that the OEM Li-Ion lasts longer than 8 AA batteries... that may be true compared to regular Alkaline AAs, but definitely not when compared with the Eneloop XX AAs.The EN-EL15 is rated at 7.0v @ 1900 mAh. Each Eneloop XX is rated at 1.2V @ 2500 mAh. When I put 8 of them in series, I get 9.6V @ 2500 mAh. That is the reason why we get higher fps with AAs then with the EN-EL15.Further proof: when I had my D300, I also used a grip and 8 AAs, except I used regular Ni-MH at that time. I could go ~500 shots with the grip and only ~350 with the OEM EN-EL13.</blockquote>

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