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Upgrading to 48v controller for Crystalyte 409

Posted: Apr 03 2021 8:02pm
by dannytroy
My hub motor is a Crystalyte 409, and I need advice on upgrading my 36v controller to a 48v unit, to match my 48v battery pack. I have a twist-grip throttle and am wondering if I will need a new throttle also. The present controller is rated at 36v/20A. I attached a photo of it. Any recommendations?