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Originally Posted by zeropointbug
Oh yah, the A123's you NEED to double them up, you are working them too hard running single cell (it's only 2.3Ah), doing 2p you get 140 amp cont. plus more punch from higher voltage, and more than double runtime.
8s1p running a 12XL would be a monster for sure, but i think you are better off going 6s2p running a 8 or 9XL motor. Which I should have done... i should have got the 8XL running (i got 7XL) 6s2p pack. For more power and runtime.
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I guess you can call me an efficiency freak because I'd rather get my runtime from higher voltage than running packs in parrallel. I guess I feel that if I'm going to add extra weight by adding cells, I'd rather run them in series and get the benefits from the higher voltage than waste the opportunity by running them in parrallel. 8S will significantly reduce the current needed from the batteries and boost my run time as well. 8S1P should get me well beyond the 15 minute mark for the Mains. 8S1P is lighter than 5S2P and I'd be willing to bet the run time won't be much different. I can't say for certain until I get the opportunity to actually test it. I'm waiting for the esc and I'll post my results. :017: