#ebikeconversion — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #ebikeconversion, aggregated by home.social.
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They are also working on improving safety - they use XT90 power connectors and build their batteries with name-brand cells. I’m realistically hoping to get a couple of years of use from this kit before it dies. https://www.electrifybike.com/products/tsdz2b-osf-upgrade-motor-kit-250-750w #Cetma #EBikeConversion #ebike #CargoBike #Tongsheng #TSDZ2 (2/2)
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Alright custom #ebike dudes. I need help. I have no idea what's wrong, but my Ebike #battery will not turn on. As far as I can tell, it's fully charged, and I don't think any of the cells have failed.
My GUESS is maybe the #BMS has failed?
How do I go about testing and solving this. I have basic tech skills, as I'm a computer repair technician, but I don't normally do board repairs and diagnosis.
Symptoms:
Plug charger in, charger will charge for a few minutes, then change to green, as if the batter is fully charged.Turning on the main switch under the battery does nothing. Not even the power level LED'S on the battery light up.
Not knowing what to test, I can get multiple -5v readings out of various locations. No idea why it's minus, as the neg probe is connected to the main neg output.
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Here's what the #Tongsheng #TSDZ2 install ends up looking like on my #Cetma #Margo #CargoBike. I haven't cleaned up the zip ties yet because the battery is only temporary (I'm going to get a smaller one that fits better).
Instead of the standard anchor bracket, I screwed a chain tensioner into that anchor bolt hole (https://cycles.eco/collections/tsdz2-accessories-parts/products/chain-guide-for-tsdz2?variant=) because eccentric bottom bracket + chainstay. There's some foam protecting the frame in case the motor moves.