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I am building a homemade ebike using a treadmill motor. I know this motor is not the best for ebike application, but I am trying to work with what I have and see how far I can take it. … Obviously, for ebike application I am not giving it 130 V but 60 VDC. Its velocity constant is 65. …

I would like to charge an Ebike battery (48 V) with solar panels (12 V out). I would prefer not to use inverter to 240 V (which current charger requires). … Can I connect MPPT directly to EBike battery? How to build a charging unit which most efficiently transfers solar 12 V output to 48 V battery? …

I'm making a powerbank for my ebike. The ebike that I have has a power supply that outputs 42 V 3 A. I'm trying to mimic that with my power bank so that I can plug the powerbank into the ebike. … Battery inside my ebike is 10S and has a BMS with a balancer in it. I would appreciate any help as I have very basic knowledge about electronics. Will this circuit that I made work? Circuit: …

I am newbe to this Forum and to ebike enthousiasm. Sorry, my english is minimal. I need to add front and back lights to my new E6100 Series Shimano STEPS driven ebike. … 2- Could that add any problem some way with central ebike system drive controller? 3- Is it a recommandable practice? Hope my asking to be clear. …

Hi I’m building an Ebike and using a reclaimed relay board from an old electric moped. …

I got this socket for my ebike, which is like C13 in dimension with different pins layout. …

My Battery: 48V 13Ah My Motor: 48V 250W ( model: bafang swx02 ) Also another question, is there any way to make my ebike drive faster than 25 km/h without switching the motor? …

I have a couple of old 36v eBike batteries lying around. I also have a Minn Kota Endura C2 30 electric trolling motor for my small boat which needs a battery. … I imagine powering an eBike motor might need a roughly similar amount of power as a trolling motor. The batteries are 36v and the motor is 12v though. …

I am currently trying to repair a Bosch BMS from an ebike and found a shorted diode so far. I can't figure out what exact model the diode is can anybody help me to identify it? …

I want to build an eBike for myself. … Problem with burning ESC is high amp draw when eBike tries to pick up speed from stand-still only using motor. …

My ebike controller, wires, and motor overheat when climbing uphill then shuts down, this occurs when the pack is mostly fully charged. …

I have an older electric bike, it's a 2011 Trek FX+ series with a small Bionx brand battery on the back, and I'm looking to potentially solder in a larger battery on it that I got from a broken electr …

Is there something fancy that normal ebike controllers due when starting a motor? Or, and I fear this maybe the problem, is the motor that I have chosen not the correct choice? …

I recently replaced the cells in my ebike which consisted of 20 Ni-CD Size D (1.2V) 4,000mAh with 20 Ni-Mh Size D (1.2V) 10,000mAh batteries. …

My wife has an e-scooter, which she's had for about 1 1/2 years. Today she went to ride it and it died within a few minutes and it was, supposedly, fully charged. When we plugged the charger in agai …