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Razor Ecosmart Metro overhaul

Thanks for the help in advance, I was wondering if for about $400 I could upgrade the batteries to 9ah, upgrade the speed controller, get a 3ah charger, and put in a throttle with key ignition and an accurate voltage meter. I’ve had mine for about a year and the batteries are starting to fade. I was also wondering how difficult wiring all of this would be as I would say I’m nowhere near an expert when it comes to this sort of stuff
A $400 budget sounds reasonable for those type of modifications. Wiring should not be very difficult as long as you have the right tools for the job.

I am not sure exactly what your modification goals are though. Do you want more speed and less range, more speed and the same range, same speed and more range, or???

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