I ran the A123s in a 5S1P configuration in my 8ight T. Even with the 1P configuration, the batteries only temped 130*F. I know that's hot, but it is within spec, and it tells me that running a 2P configuration is going to run MUCH cooler. These batteries can deliver punch. The 5S1P A123 pack had as much, if not more, punch than my 4S2P 8Ah lipo pack. What was also great was that I had forgotten to set the voltage cutoff. I ran the pack until is dumped, which is ver abrupt. One second I was doing wheelies and the next, the truck would hardly move. Since I was running a 2S pack and 3S pack in series and only had one charger, I had to charge them individually.
True to the claims, each pack charged in 15 minutes. I won't say that the performance is the greatest advantage of these cells, because in my setups, the lipos do fine. I think the greatest advantage is going to be in not having to worry about fires due to a crash or charging error. I have to say that I am sold on the cells.
I don't like the form that the premade packs come in, but I will be getting some loose cells.
This is what I was running them in...
Just as a point of reference, that tire on the right is one of the stock MT tires.
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