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Buy a new controller, I fitted a kelly kls7218s, top speed is not much higher but the acceleration is superb, it is really fun to drive now. To get th...

I have just fitted a kelly controller and set the battery amps to 100, when speeding up I see amps over 100 amp.

I have replaced the controller with a kelly and put the niu battery in parallel. Did a small test drive this evening and the power is amazing compaire...

The niu battery are availible rather cheap, i paid 250 euro for two of them they are easy to open, so if you want you can change the BMS for higher pe...

Just buy a niu battery, these one are pretty cheap second hand and have the same voltage levels as the stock super soco batteries, or get a bigger sup...