NiMH batteries, AA vs D?

Question

When I see AA and D NiMH rechargeables, I see the same energy rating, e.g. 2500 mAH.  Should I just get the AA -> D sizing adapter?

demos_jones · Accepted Answer

Something doesn't sound right.  A D-cell with only a 2500 maH rating?  Should be about 5 times that.

Both the AA and D size are approx 1.5 volt.  The advantage of the larger D cell is that it can supply that voltage for a longer time.  The advantage of the AA cell is that it's a lot smaller.

If size does not matter, then using a D battery is perfectly fine as long as there is some way to accomodate the size.  But in your case, why use a larger battery if you're not going to get longer life for it?

? · Answer

Batteries are a storage device, no longer a power source. the quantity of storage skill is immediately proportional to the actual length of the battery. So AA has as plenty power as a million/5th of a D. So even inspite of the undeniable fact that long the D batteries lasted, divide that by way of 4-5. possibly 2 contraptions of AA's and characteristic one interior the charger, or get the AC adapter and dont use batteries in any respect.

NiMH batteries, AA vs D?

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