AA batteries no longer the trend?

Started Oct 31, 2011 | Discussions thread
T3 Forum Pro • Posts: 21,166
Re: Standardized rechargeable Li-Ion AA?

onlooker wrote:

Perhaps a solution to the problem would be a standardized rechargeable Li-Ion AA battery? I understand that might not be in the interest of the device makers, though. Also, since the the current non-rechargeable Li-Ion AAs are 3.6C, and are incompatible with the regular ones, the issue of confusion arises. Not sure how to solve it. Perhaps a new standard? AAL? As I said before, perhaps not in the interest of the device makers.

AA's are bigger, heavier, and more restrictive in form factor for today's slim, compact P&S cameras. Consider, for example, the Canon S100, which isn't even one of the more compact P&S cameras in the market. Look at how compact and slim its battery is:

The Canon NB-5L battery measures 50.8 x 25.4 x 12.7mm and weighs 27.5 grams. Two AA batteries would measure about 51 x 28 x 14mm and weigh about 46 grams. As you can see, the NR-5L takes up a little less space and weighs a lot less. But also, since it's a rectangular block instead of two cylinders, it maximizes the use of its space, using all that space to store power. So even as the NB-5L takes up less space, the battery is more efficient in its use of that space.

Other batteries used in smaller compact cameras are even slimmer and smaller than the NB-5L. For example, the Canon SD4000 IS, which is smaller than the Canon S100, uses the smaller NB-6L battery, which measures a mere 42.4 X 34.2 X 6.9 mm.

So if all cameras had to use AA batteries, this would be more restrictive to camera design, and result in larger, bulkier cameras.

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