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I have had my Sondors Thin for about a year now & use it daily to get to work/home. I started noticing the bike was having trouble staying at full speed when the battery was running low a few months ago, it would keep me running at 19 instead of the full 20 when the battery was at about a quarter charge left(one bar on the screens battery indicator). Since then it has gotten progressively worse and is now down to only holding me at 16 with a low battery, when the battery is full the bike performs like it did straight out of the box but only for the first quarter of the battery or so. I have kept the bike factory except for the tires & inner tubes, I am running tubeless on the front & the standard setup on the rear at the moment, doesn't seem relevant but was advised to list any mods. I am wondering if anyone can point me in the right direction for troubleshooting this problem, I am thinking it is the controller going bad because I have taken proper care of my battery per the instructions that came with my Sondors & the fact that it performs perfectly fine when the battery is full but I would like to get some other opinions on the matter before I start replacing/upgrading anything.
I took a superman flight over the bars in a contact event with an auto. I'm OK but my throttle got jammed up as I went over. Now I need to try to re-wire the inner parts, shown in the photo. Can anybody supply a wiring diagram for this throttle, or a photo that shows what colors connect to where? I can solder so if I know where they go, I can get it fixed! (I have another throttle on order from Sierra Bike—thanks for that link in a different topic.)
Controller making noise & very low power
Having some trouble with my Fat Tire. On a fully charged battery, the bike barely has any pulling power, and there's a noise coming from the controller.
Do I need to replace the controller on this unit? Any suggestions for shops in Los Angeles that are familiar with these?
Video of the problem:
THIN Controller Unit For Sale
I replaced my original sondors thin controller with a third party one after a couple weeks of use. I have not altered or tampered with the original at all. Asking $30 plus shipping. Here's the link to the one I'm selling - https://sondors.com/collections/parts-store/products/controller-unit-thin. I also don't have any additional screws. Will ship to US only.