Quote:
Originally Posted by MetalMan
The 26650 cell size is a standard size, which is why many cells conform to it.
Regarding the lower voltage of A123 vs these Sony cells, these Sony cells also weigh about 20grams more each. 5s2p A123 (16.5v nominal) weighs 700grams without wire, and 8s2p Sony (14.8v nominal, I'm assuming) weighs 720g without wire. So the A123 will take up more space, and have slightly lower capacity, but weighs less and will be able to charge faster.
|
Yes those are some good quick figures you did there Metalman. Can't argue with that.
I'm not sure how readily available these are. I know they are made in Japan. I got a box of 25 cells cheap! Quite a bit cheaper than the A123 cells. So there's a plus right there.
Being able to fit these easier is a plus also. It's something new to me, so I'm gonna give it a shot and see how it works out.
Also, the advertised cycle life at 10 amps is 1000 cycles. They should live a pretty good while.
I'm building packs tonight. I got my first one done. I need to order me some 4S balancing leads. I'll go with two 2500mah 4S packs for the E maxx.
