![]() ![]() If your battery pack is failing under load, it could be that your battery management system is shutting it off to prevent your pack from overeating. Reasons Your E-Bike Keeps Cutting Out, and What to Do About ItĪ failing battery is one of the most common reasons why e-bikes disconnect intermittently. ![]() If you haven't already got a repair kit, we'd recommend getting your tools together like from the kit below – have a look! In this article, we discuss some of the possible reasons why your e-bike keeps cutting out, and what you can do about it. Power cut-outs can be not only annoying but also dangerous because they can quickly get you into an accident especially if you commute in traffic. ![]() The most common components that might malfunction to cause power cut-outs include the electrical system, motor, controller, battery, charger, connections, sensors, and the ignition system. If this doesn’t work then there is a bigger problem with one of the components being faulty on your bike. Disconnecting the contacts and cleaning them and reconnecting can often solve the problem. Many times, the problem is a loose connection or corrosion. One of the most common e-bike problems is the power cutting out. An electric bike only works if all the components are functioning correctly, which means there is no easy and quick way to troubleshoot major problems. If it can handle 1000W is it then a rated 1000W geared hub motor?Īccording to that standard, you can start with any sized core motor - a 350W per say, and if it can handle 750W and not overheat.Hey we can label it as a rated 750W motor and sell it that way! Is it now technically a 750W motor or is it sill a 350W as it was made? That is the real question.Electric bikes can be quite finicky, especially if you’re a beginner. ![]() In the letter it stated " Neither the CPSC regulations on ebikes nor the industry standard (UL 2849, the voluntary industry standard for safety for electrical systems for ebikes) specifies a test methodology for measuring the power input/output of a motor: As a result, both the regulation and the voluntary standard rely on the certification seeker (Rad, in this case) to establish the motor rating."Īccording to that standard, you can start with any sized core motor - a 350W per say, and if it can handle 750W and not overheat.Hey we can label it as a rated 750W motor and sell it that way! Is it now technically a 750W motor or is it sill a 350W as it was made? That is the real question. Last I just wanted to share another reply from someone over at Rad's Legal Team regarding this same issue. That being said, if I take a core 350W motor and run 750W through it, it still doesn't make it a core 750W motor - regardless of whether or not it can safely handle the extra wattage.Īgain, this would never be an issue to me except that the motor on my RR5 is stamped as being a 350W motor. In plain terms, I read that as we can run 750W to it and it won't hurt it, so we can rate it as 750W. Rad went as far as to have Bafang draw up a letter which said the following: "the customized motors made by Bafang exclusively for Rad are rated as 750W geared hub motors based on the testing standard that this customized motor can handle 750W of power input without overheating" They also would not confirm whether it was a 350, 500 or 750 watt motor as it was designed, only that their motors can "handle" 750W of power. Rad was given the same photos and they offered no information as to it being a non-US version bike. I would expect any reasonable person to question what they are getting when they open a supposed 750W motor and find a motor in its place that's stamped as being a 350W motor. The only thing "Rad" about the motor was the custom outer casing that the motor was fitted into. It has no distinct "Rad" labeling on the inner motor itself. It came in a US labeled box and the controller peaked at 750W which is what the US version is touted as having.Īs far as interchanging parts, I find that hard to believe as nothing else on the motor would tell what version that it is. Whether or not it was the normal motor used in Rad's US bikes, that's what came inside of my brand new RR5. ![]()
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