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    best 18650 cell coming after Sanyo GA

    The sanyo 18650GA cell 3.5ah has been out for several years, when will their be a cell higher capacity in the same size format ?? i would of thought by now we had 4ah 18650's already !
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    motor/controller efficiency at 24/36v 50% 90% Duty cycle

    I have an option to enter a motor race class, and they have different current limits at different voltage. I can only use this one motor that is rated to peak power 24v 600w and 36v 1400w. In this power limiting classi have to limit to either 24v 10a i.e 240w battery watts. or either 36v 7a...
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    Throttle ramping hall signal with Resistor capacitor ?

    Is is possible to ramp a hall throttle 1 to 4v signal with a resistor capacitor ? The reason i want to do it is to protect the mid drive drive train from shock load of full throttle bursts. i can do this easily in my CAv3 but this is for a bike with no CA. Ideally i would like it only to ramp...
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    Charging above 4.2v a cell during start of charge

    I have an adjustable cc cv power supply, I noticed I can put in a lot more amps quickly if I set the charger to 4.3v a cell at the start of the charge till near the end.. and then neat 4.15 then I reduce down to 4.18 v a cell. is this safe so as long as I stay under the max charge C crate and...
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    Brushless motor with hall sensors losing sync under load ?

    I have a new motor that works perfect with no load, full throttle no load numbers are fine and i can see all the hall sensors work in the controller. but when i put on a lot of load the motor looses sync and like misfires ? and keeps doing that repeatedly ? The controller is a Kelly FOC sine...
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