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  1. S

    Lipo's in Parallel Question?

    Yes, you are quite right, C rate becomes quite complex if paralleling up batteries with different specs. Ultimately a change in C rate indicates either a change in cell construction or chemistry. This would result in slightly different discharge curves, which ultimately means at any one point in...
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    Lipo's in Parallel Question?

    Isn't this verging on a a false economy? What capacity are the lead acids? One factor affecting acceleration is weight, which Lead Acids have plenty of, and the energy density in terms of both mass and volume is way off that of lithium. Also imagine how complex your charging solution is be! Also...
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    Cyclone Controller Motor Self Start Issue Solved

    After a bit of a rainy ride the otherday my (fairly new) Cyclone 1680W system stopped working :( I thought it was down to water ingress, but it turns out it wasn't! The behavior of the system was odd, it couldn't self-start, but if I helped it along it would startup no problem, once it had...
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    Ebay Power Meter

    Well atm I disconnect the pack and charge each 5S pack separately on a balancing charger, however I have 3 balancers coming which will allow 63V to be applied across the pack, to charge it without dismantling the pack. TBH, ultimately I probably will get a CA, but this ebike lark is pretty...
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    Ebay Power Meter

    Hello all! I've just finished building my first ebike project, a Cyclone 1680W 3 ring kit onto a hardtail mtb. It's a blast! My intention was to run it on 2 6S 16Ah lipo packs in series, no BMS, fused at 80A, cell UVP managed using a couple of Hobbyking undervoltage beeper things and pack...
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