Hi all --
I have a D7000 with the MB-D11 battery grip. How can I charge the battery that is inside the camera without taking it out? I am sick that I always have to remove the battery grip first to get access to the in-camera battery.
Thanks!
Charging battery while inside camera?
(6 posts) (5 voices)-
Posted 1 year ago #
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@giganova - the only option for You to not remove the grip is to take the in-camera better out and use only the one in the battery grip, sorry no other solutions
Posted 1 year ago # -
Thanks for the clarification. Design flaw, in my opinion. I guess I will make the battery grip my primary battery and stick two recharchable batteries in it.
Posted 1 year ago # -
The answer is to use the battery in the grip first and make the one in the camera your back up ...re charge it when it drops to 90% . I use a 4200 mah LiFe battery in the grip and that does not need to be removed to charge it you just plug in the charger and wait for the light to go green $40 appr0x
Posted 1 year ago # -
giganova said:
Design flaw, in my opinion.In this day and age, I agree that you'd have thought Nikon would have been able to design a way to plug into an external charger while the darn things are still inside the camera/grip. Even my lowly cell phone works just fine like that.
Putting my consumer hat on, is someone going to suggest that it's all down to the battery technology? Maybe local laws in Japan? Perhaps adding the approx three components to the body is too hard? Would it add more than $4 to production costs to put a wall-wart in the box that plugs into the body? I'd be OK paying another $10 on my $1k camera body for it...
Most other consumer tech company that has products you pick up and carry about with you seems to be able to do it? Certainly every cell phone company, laptop computer maker and also that huge behemoth Apple... Why not Nikon?
Posted 1 year ago # -
One of the elements of safety when charging these batteries that the D7000/D800 battery charger/battery has is a temperature cutoff. So Nikon is monitoring the battery temperature during charging to maintain a safe level, and this is with the battery externally charged. My reasoning is the heat generated by charging a battery in the body would retain more heat and thus increase risk of heat related problems.
The most efficient/quickest way to charge these lithium batteries is to use the external charger using the maximum current that generates the safest heat levels.
Lithium batteries are a little different in their charging profile compared to NiMH and NiCad in that instead of a constant steady current flow until cutoff voltage is attained, the lithium battery's charger senses how depleted the battery is to begin with. The more depleted the battery is, the more current is applied by the charger. As the battery gets more charged, the amount of current applied starts to diminish to the point where it's near fully charged the charger will trickle in a small amount of current until fully charged.
What this equates to is that if you have a fully discharged battery it will take much less time for it to go from 0 to 50% than a battery that is at 50% going to 100%. That last ~10% takes a lot longer to proportionally to get in.
Also, add in Japan battery safety standards and I'm guessing they are extra cautious with in-body lithium battery charging. The larger the battery, the more heat generated during charging. Hence small point and shoots that don't have as large batteries won't get as hot. Cell phones have their batteries closer to the exterior of the body so can dissipate heat more easily than a DSLR with the battery located farther from the body exterior.
Posted 1 year ago #
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