Whats the deal with Sub C, AA

[thistleb]

In reference to building a pack with either of these two batts, will a sub c cell perform better than a AA of equal capacity?
Are there pros/cons to each type?
It just seems that there are large capacity AAs, ~2000, while the preassembled subc packs are all down at ~1000-1400.
Why is this?
I did try and read a couple threads on AA pack building but I didnt see any answers to these questions.
-Thanks

edit again: Im referring to this size cell http://www2.towerhobbies.com/cgi-bin...?&I=LXMUE1&P=7 not sure if its termed sub c

[thistleb]

after doing some interwebbing, it seems that AAs have a higher internal resistance than subc cells do. I would venture to say that therefore they have a lower peak current and are therefore not as well suited for high draw applications. Seems like a good answer to me but im not positive. Any insight?

[K_Willis]

the pack you posted a link to is actually a 2/3A pack, not a sub C. These cells are much smaller than AA or sub C.

Current generation Sub C cells are around 4000 mAh and above.

Yes, you are also correct about the higher internal resistance. Most compensate by adding an extra cell or two when they are building a pack out of off the shelf AA cells.

[EeePee]

Originally Posted by K_Willis

Yes, you are also correct about the higher internal resistance. Most compensate by adding an extra cell or two when they are building a pack out of off the shelf AA cells.

Exactly.

[FrankyRizzo]

I usually make my 2/3 AA packs with 8 cells to make up the difference.