Is the battery working? For this, youll need to access the e-bikes controller box. Looking for the perfect electric bike can be a daunting task, especially if you're on the shorter side. The company replaced the battery without see it but i liked To know if it s something To do with that problem Best regards. You may have to clip a few zip ties to access this plug. Err 30 is a generic error code that bafang uses as a catchall. If your ebike keeps cutting off, one of the most common reasons for such hiccups is a failing battery. No one tests electric bikes like we do. So without further ado, lets get started! This time it will be up to them to see if they can help but it will now more than likely be a new battery. Here, buying a new pack from the manufacturer will solve the issue. If your electric bike is being placed on charge and your battery does not seem to charge. Took battery off and back on and it powered up but quickly cut out and never powered on again. https://electricbike.com/forum/forurs-and-kits/bbshd/7747-bbshd-bbs02-error-list, Electric Bike Throttle and Pedal Assist not working. How To Troubleshoot And Fix An E-bike With A Throttle Problem -, troubleshooting your e-bikes throttle problems. Once you put the throttle back together again, you should be able to press or twist it as usual. The second step to take when getting to the bottom of your bike's charging issues is to check your bike battery's voltage. Lets suppose the throttle doesnt respond at all when you press or twist it. Help. An ebike will work smoothly only when all the parts are functioning properly. Hold the bike's On button for about 10 seconds to force the speed controller to turn on. NAKTO Safe Brake 3-Cycles Electric Bike. In other words, it works perfectly well half the time, though quite often, you wont be able to accelerate smoothly as you press or twist the throttle. It takes a few cycles to do this. The small electric folding bike is one of the most affordable on Urban Bikes Direct. Doing this should give you a positive reading; a negative reading means that the battery probably has been miswired at the factory. http://electricbikereview.com/ If your electric bike isn't working there are several steps you can take to troubleshoot and fix the issue. If this is not true, then our next step is to jumpstart your battery. Last of all, never be afraid to bring your bike back to the shop and ask a qualified person for help. On the soft pack battery, youll be using the smaller of the XT-60 adaptors, following the same rules as above. Once the motor reaches this speed limit, it will stop providing power further. In this article, were sharing a full guide on how to troubleshoot common ebike problems to help you get back on the road in no time. When charging a battery to 100%, for more range, don't leave it like that for more than a day. Kinda stuck and not sure what to do. For ebikes with a fuse, you can simply remove it and hold it against some light to see if its burned out. $475.95. Is my 4 year old battery bad, or is it some other component? Next, check the fuse for the battery pack. Thankfully, this problem is straightforward to fix. Wow ok Ill double check that. Call us (714) 603-7182 (Mon.-Fri. 5 Days from 9:00 am to 4:00 pm). . While most e-bike throttles share the same common problems, some will be unique to the throttle type you have. Scott Strike, dual suspension electric mountain bike. If the voltmeter reads a surface charge of more than 36V, then the battery is fully charged and you can try troubleshooting another component. Give the electric bike full throttle while engaging the brake on the rear without locking it up. 3) Check out the small and large bevel wheels for damages Remove the clutch plate on the right side and inspect the condition of the small and large bevel gears for wear. Now, some eBike battery packs are positioned inside the bikes frame. Replace any snipped zip ties to secure cables away from moving parts. Call us (714) 603-7182 (Mon.-Fri. 5 Days from 9:00 am to 4:00 pm). To test the output voltage of your battery charger, you can use a multimeter or voltmeter. . No matter what kind of e-bike throttle you use, youll find that it has something called a Hall Effect Sensor inside. Comparison tools, shop directory, and forums at: ElectricBikeReview.com And maybe a soldering iron, depending on the problem. Some people may suggest that you use your controller to figure out which wires are for the brake inhibitor so you can disconnect them completely to get rid of the problem. That would prevent the bike from damaging itself if you were to press or twist the throttle while the brakes are on. You can make a final adjustment to the brake cable tension by unthreading the brake cable adjuster until you get the right tension. When you press or twist your throttle, what youre also doing is turning that magnet. Mini Bikes; On Sale. ModWheel Direct Mid Drive Electric Bike Kit. And then plug the hub motor wires in and power it on. It is strong enough to comfortably support weights of up to 300 pounds and is ideal for individuals between the heights of 4'9" - 6'6". On hardpack batteries, youll need to remove the battery from your bike. Disconnecting the contacts and cleaning them and reconnecting can . ModWheel 48v 1000w Direct Drive Electric Bike Kit. Youll have a good battery and a bad BMS, to resolve this youll need to try a jumpstart on your battery. After unmounting it and leaving it for a while the function is restored. There are multiple ways to do this. For the discharging port, after youve got you results youll want to check our results list below. When this is the case, the . As you gradually push or twist the throttle, it will cause the battery to deliver increasing amounts of power and cause the bike to go faster. In most cases, the easiest fix would be to replace the Hall Effect Sensor. For instance, you can expect a standard throttle to have three wires: red, green/blue, and black. By the end of the article, youll know the basics and have nothing to fear about batteries. If the insulation on the copper coil wires melts due to overheating, occasional short circuits may occur causing the power to cut off. . You dont want to get trigger happy and run your battery at high amp setting either. 12 reasons not to buy. If it holds a charge, the issue will be your electric bike - most likely a short circuit in the bike's wiring or the motor. I was sent the cable and diagnostics were done with Roshan and Bafang. In this article, we're sharing a full guide on how to troubleshoot common ebike problems to help you get back on the road in no time. So, to avoid any accidents, be sure to do it in a safe space without any people around. Check the Ebike Battery. All NAKTO ebikes are covered under our 1-year warranty for the original owner. By that, we mean youve tried to press or twist the throttle repeatedly, but the bike just sits there motionless. Today I charged it. If your eBike battery pack is swelling up, well, you likely have a pretty serious problem with one - or more - of the lithium-ion cells. However, we stress that you never do that as it can be extremely dangerous on the road. Q: The fender is loose/broken. If they can confirm that theyre faulty, then youll want to replace them entirely. Our 71-page Bicycle Commuting Handbook covers a range of topics, including: Bicycle Universe is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Severely worn out batteries have a maximum range of 5 to 10 minutes. Is this a new bike? Some of our partners may process your data as a part of their legitimate business interest without asking for consent. I then have to remove the battery and then put it back in. Then youll occasionally want to run the battery to 100% charged and do it 2 or 3 times in a row. Following this advice should allow you to get the maximum lifespan out of your battery, and buying new batteries is not cheap, so it is worth the effort of doing. Ive got my order confirmation but not tracking numbers yet. Some speed controllers are turned on by pressing the M button. This NAKTO E-bike product is also known as the Camel model. The Camel is a heavy beast, and difficult to pedal unpowered. For example, if your ebike is equipped with a 36V battery but the voltmeter reads 10 volts, then the battery is faulty. But if youre unsure of how to do it, or you dont have the knowledge or experience, then theres nothing wrong with hiring a professional to do it for you. If your ebike comes with a circuit breaker, you can reset the circuit breaker by pushing the breaker. The controllers job is to take input signals from all the controls and sensors on the ebike, analyze them, and then determine the best way to transfer the power coming from the battery to the motor. This is a 3 wire square plug and a 5 wire rectangular plug. Doing so will give you the best battery life. I also found the bushing loose on the bike side and tightened it also. 2. This is an interesting thought though. You must never leave a battery unattended when charging. How well check to see if it is a charger issue is that well try and power your electric bike with the charger. Your email address will not be published. It may not display this or other websites correctly. They only last between 2 and 3 years from when they were manufactured. Your email address will not be published. Some speed controllers are turned on by pressing the "M" button. jump starting the battery by bypassing the safety features on the bms sounds like a terrible idea. Find out if your electric bike motor spinning freely or it coggs. This fuse is usually located on the side and could blow up because of short circuits, vibrations, over-current, or old age. Make sure the battery isn't rattling around, and the battery connector is not slightly melted and making a good connection. This NAKTO 20 Inch Fat Tire Electric Bike adopts the 48V 10Ah built-in battery, 350W high-speed brushless motor, Shimano 6-speed, front and rear disc brake, a bright front light, 3 riding mode--electric bicycle&pedal assist(PAS)&normal bike, you can ride on the mountain or beach. In most standard cases of use, 250W is more than enough power for you to ride your eBike on asphalt or dirt roads casually. In this case, its a good idea to check if your ebike is still under warranty. Is your e-bike under warranty? Or, it might be a perfect excuse to go shopping for a brand new throttle! One reviewer and a few owners said the Camel could not power up steep hills. I go home put charger unn port for battery they say it's fine. Click on our affiliate disclosure to learn more. Nakto Electric Bike Maintenance. Regards. Heres a general tip when trying to troubleshoot and fix an e-bike with a throttle problem: always start by checking the parts that are easiest to fix. If it does, then thats a clear indicator your problems are being caused by faulty brake sensors, which are overriding the throttle. Roshan said he was going to send out the replacement motor free of charge and I will send my defective motor back to Bafang. thankyou. If that doesnt sound impressive, remember that you can always assist the main drive motor by pedaling. Has the fuse blown in either the eBike battery pack or the charger? Aostirmotor Fat Tire Folding Electric Bike A20 Commute to work gets easy with the Aostirmotor, a fat-tire electric bike that slyly zips through traffic and folds compact to fit under your desk. You must log in or register to reply here. Dont get excited and pull your new bike straight out the box and go for a ride. Hi, my name is Richard and I own an electric scooter for years now. Q: My rear wheel has a wobble in it. Even though your e-bike throttle is relatively small in size, it can have a significant impact if it were to ever stop working correctly. Youll now want to hook the charger directly up to the power wires. Many times, the problem is a loose connection or corrosion. Sounds loose connection,to your battery. You dont want to burn your house down because of a silly accident. Sure, you could operate your e-bike without any brake sensors. Normally, cruiser bikes are designed for short trips around town, short commutes to work, or running errands; However, the OX is much more . Measured voltage is only 1.6v. Brand: ADSAFE. Also, check to see if they are flush with the motor. $50 off when you subscribe! Overall Score: 8.3. Its not that theres anything wrong with the throttle at all. If you notice that your eBikes battery pack has a bulge in it, be sure you turn off the power and carefully remove the battery from your eBike. (Buyer is responsible for removal. Q: My rear wheel has a wobble in it. However, as always, theres no harm in taking it to an e-bike shop so that they can do it for you. To get your ebike running again, youll need to fix the jammed brake levers. A Li-ion battery can hold its charge well. How does an electric bike work? Youll now want to check the adaptor port. Q: Why does the seat always wobble? If your ebike features a headlight, you can perform a load test by fastening an arch-shaped piece of cardboard over the headlight so you can see the beam from the headlight while riding. Looks like all the connections are secure and in original working condition. I have used two chargers and they all cut out at 81.5v-82v, sometimes 80v, do you know what could be the problem. agarg_1; Feb 2, 2023; Maintenance and Repairs; Replies 16 Views 464. Alternatively, you can test the battery pack on another reliable electric bike where you ride the ebike at full throttle on flat ground. 2. Look for any damage or signs of stretching. Lithium-ion batteries dont prefer being left on the charger. Aug 8, 2018 . Remember above where we said too high a heat and your battery will degrade. $475.95. Magnet is on the spoke in proper position. Dont charge a battery from a discharge port, this will bypass all the protection built into the battery. Remember at the very start of this article where we told you not to charge using the discharge port. That is just a safety feature - and its usually around 1.8 mph. Amazon doesn't cover that or warranty. The battery icon display does not alter as I use the bike. I think the display may have its own battery in order to maintain accumulated miles and other settings, so disconnecting it from the power source probably won't reset it. If it gets fully discharged, it willdeteriorate rapidly. It can quickly climb up to a decent speed of 22 mph, and with a bit of pedaling - a maximum range of 20 miles is claimed by the company. Again, it depends on the e-bike model you have. Call Us : 1-855-9977297. Insufficient Bend 7. Regardless of the type of e-bike throttle you use, there are some common issues that you might face. $539.95. Copyright 2023 Electric Biking, all rights reserved.I may earn a commision from some affiliate purchases. New Nakto Breeze Step through E-Bike was $1600 now $1250. Another way to get a reading is to fasten the voltmeter directly into the charger connector on the battery. Electric scooters are fun and practical which makes them suitable for city commuting. The charger is showing red when I plug it in and after a while it turns green. Using a wrench, you can easily fix this issue by slightly bending the prongs to realign them into the correct position. Anyone have this problem? Seeing how most throttles have all of its wires and components bunched together, you might have to gently dig around to look for the Hall Effect Sensor. Test the bike fully before riding. The battery has one red and two green lights on. Check out our article about the best electric scooter accessories here <<<, How do know what battery I need for my bike. Then, carefully blow out any dust or debris, and remove any plastic parts you might find. Ill head down that rabbit hole tonight. If your ebike wont start or keeps cutting off, the issue can often be traced back to the battery. They are Lithium Ion (Li-Ion) or Lithium Polymer (LiPo) batteries. Ive contacted Biktrix and sent them emails. Refine view all. Overall Score: 7.9. Get ratings, pricing, and performance for all the latest models based on the features you care about. Accordingly, youll be facing one of 2 scenarios: If you know that your ebike has been sitting in the garage for some time without recharging and when you try to start it, the battery loses power too quickly, then its safe to assume that the battery is defective and will require a replacement. One owner's battery wouldn't charge from new. Unlike with traditional bikes, ebikes have various configurations and designs which makes repairing flat tires different for brands and models. Snip zip tie excess so it is flush and smooth. I was lucky and had a second bike to help isolate the issue (worked on my bike but not wifes). Known Issues & Problems with Wolff Products + Help, Solutions & Fixes, Known Issues & Problems with Velowave Products + Help, Solutions & Fixes, Known Issues & Problems with Velotric Products + Help, Solutions & Fixes, Known Issues & Problems with Turgo Products + Help, Solutions & Fixes, Known Issues & Problems with TAUBIK Products + Help, Solutions & Fixes. In any case, knowing how to troubleshoot common problems of ebikes is valuable information for anyone owning an electric bike or thinking about buying one. Is there a connector that I can purchase that plug into the charger that I can connect to the discharge pins? Check the Battery Charger. It may not display this or other websites correctly. Another great thing to remember is that electric bikes will need to be fully charged before their first ride if you have bought an e-bike from your local bike shop theyll hopefully have done this for you. If jumpstarting doesnt work, youll be looking into advanced techniques and cutting your battery open. All NAKTO ebikes arrive 90% assembled plus free assembly service available now. My Chinese folding bike stopped working so I banged it up and down on its stand and that made it work but not in a controllable way. No ebike is perfect, this is a thread dedicated to sharing known issues or problems with electric bikes from Nakto as well as any help and solutions you know of. If the coils in the motor keep overheating, youre potentially risking the motors integrity and may end up having to replace the motor to avoid damaging the controller. When inspecting that sensor, try and look for signs of damage. I know that was a long 10 miles back home! There is an easy way to confirm whether or not the brake sensors are indeed the source of your throttle problems. Note how long the battery pack will last. If thats the case, then another possibility that youll want to consider is that the e-bike has faulty brake sensors. This ebike features a 250watt brushless motor which ensures a smooth and noise-free ride. Page 42 6. On the back of your battery, youll find 2,3,4, or even 5 terminals. Doing that is easy enough, as long as youre able to solder the wires to the new sensor yourself. Be sure to check that your battery pack has at least two bars of power. In this article, were going to cover everything you need to know about troubleshooting your e-bikes throttle problems. Your battery charger will probably feature a LED light indicator that changes states depending on the bikes battery level. Li-Ion batteries can burst into flames, the risk is low, but always make sure of your own and your families safety. That's especially common in folding e-bikes, and it can also result in the throttle not responding at all. Support installment payment. Never charge your battery after a ride, give it a few hours to cool down. Besides that, disconnected wires could also cause problems for the sensor and the throttle. The next time to cut down on your delay time is to disconnect the battery,then hook it back up.All should be good.You say your going up hill and the bike shuts down. Different ebike models feature different pedal assist systems; some are built around the front sprocket chainring while others are built into the bottom bracket. We use cookies to ensure that we give you the best experience on our website. We get commissions for purchases made through links in this post. Ive been watching YouTube on how to pull crank apart and trying to bone up on how to videos about motor swap. My batterys are around 4 years old. Ideally, you should do this every 30 cycles, after a break of not riding, or bi-annually. Maintaining an ebike in good working condition can be tricky business, especially if youre a newbie ebike rider. Youll now want to see your results. Mini Bikes; On Sale. It appears to be in place. One other thought; if you're comfortable with a voltmeter, measure the battery voltage on the bottom of the pack. All NAKTO ebikes are covered under our 1-year warranty for the original owner. These programs enable us to receive commissionson recommended products related to our niche when we link to Amazon.com. The problem is that they sometimes err too much on the side of Caution. The charger la good but the battery don t keep charge The fuses(2) are good and electricity crosses the battery but don t keep charge. As youve seen throughout this article, throttle problems are very common when it comes to e-bikes. Still, if youre charging your bike every few days, you should be able to get many years out of your electric bike before you begin to notice the capacity of your battery is starting to degrade. Medium.This bike has given me lots of fun but time to move on. 500C (pdf) Download. Do this slowly and dont put any strain on the battery. Not finding anything using Google. If you find the brake pads or the brake shoes in good condition then you may want to tighten the brake cable adjuster on the brake lever or the brake itself until the brake becomes more responsive. Some will allow you to select a 100% charge if it does go for that setting. could you help me please? Display Manuals for electric bicycles. If the battery pack hasnt been charged for 6 months or less, you may be able to recharge it successfully. These speed controllers could malfunction if damaged - either by dropping your bike or allowing water to get into them. Is the charger working and outputting over 36 Volts? Feb 3, 2023. harryS. The Nakto Camel F is a cruiser city style ebike. How to check the electric bicycle problems? Sometimes the battery isn't working, other times the controller is having issues (like a loose wire) and sometimes the throttle, brakes or motor are not setup correctly. They usually tend to lose full charge capacity over this mark. Here, its highly likely that the problem is in the throttles wiring. If the throttle is feeling loose or missing out on strokes from time to time, you can just replace it after testing whether or not its receiving steady power. Assistance by consignor or JJ Kane Auctioneers is not assured.) Local Delivery & Pick-Up Ordering online and your bike will be completely assembled and ready to pick up in-warehouse. Now, would be the time to take your electric bike back to your dealer. is this normal Manufacturer: NAKTO *** Estimated Price . A Li-Ion battery is usually much lighter than a similar sized battery, especially when compared to the much cheaper lead-acid type. If your eBike hasnt been charged for a more extended period, it would be a good idea to give it a top-up - and see how it goes. Dont do that. As a result, its also one of the most common reasons why your electric bike may not be working properly. Nakto Stories. Bicycle Universe also participates in other affiliate programs and advertising platforms. It cuts out again after a minute or so. This can happen in lower-quality batteries that are typically installed in cheaper bikes because theyre made by recycling batteries from other older devices such as laptops. I have a new bolt pro ebike. Before we start trying to troubleshoot or fix anything, we must understand e-bike throttles in general. {"email":"Email address invalid","url":"Website address invalid","required":"Required field missing"}, __CONFIG_colors_palette__{"active_palette":0,"config":{"colors":{"f3080":{"name":"Main Accent","parent":-1},"f2bba":{"name":"Main Light 10","parent":"f3080"},"trewq":{"name":"Main Light 30","parent":"f3080"},"poiuy":{"name":"Main Light 80","parent":"f3080"},"f83d7":{"name":"Main Light 80","parent":"f3080"},"frty6":{"name":"Main Light 45","parent":"f3080"},"flktr":{"name":"Main Light 80","parent":"f3080"}},"gradients":[]},"palettes":[{"name":"Default","value":{"colors":{"f3080":{"val":"rgb(23, 23, 22)","hsl":{"h":60,"s":0.02,"l":0.09}},"f2bba":{"val":"rgba(23, 23, 22, 0.5)","hsl_parent_dependency":{"h":60,"s":0.02,"l":0.09,"a":0.5}},"trewq":{"val":"rgba(23, 23, 22, 0.7)","hsl_parent_dependency":{"h":60,"s":0.02,"l":0.09,"a":0.7}},"poiuy":{"val":"rgba(23, 23, 22, 0.35)","hsl_parent_dependency":{"h":60,"s":0.02,"l":0.09,"a":0.35}},"f83d7":{"val":"rgba(23, 23, 22, 0.4)","hsl_parent_dependency":{"h":60,"s":0.02,"l":0.09,"a":0.4}},"frty6":{"val":"rgba(23, 23, 22, 0.2)","hsl_parent_dependency":{"h":60,"s":0.02,"l":0.09,"a":0.2}},"flktr":{"val":"rgba(23, 23, 22, 0.8)","hsl_parent_dependency":{"h":60,"s":0.02,"l":0.09,"a":0.8}}},"gradients":[]},"original":{"colors":{"f3080":{"val":"rgb(23, 23, 22)","hsl":{"h":60,"s":0.02,"l":0.09}},"f2bba":{"val":"rgba(23, 23, 22, 0.5)","hsl_parent_dependency":{"h":60,"s":0.02,"l":0.09,"a":0.5}},"trewq":{"val":"rgba(23, 23, 22, 0.7)","hsl_parent_dependency":{"h":60,"s":0.02,"l":0.09,"a":0.7}},"poiuy":{"val":"rgba(23, 23, 22, 0.35)","hsl_parent_dependency":{"h":60,"s":0.02,"l":0.09,"a":0.35}},"f83d7":{"val":"rgba(23, 23, 22, 0.4)","hsl_parent_dependency":{"h":60,"s":0.02,"l":0.09,"a":0.4}},"frty6":{"val":"rgba(23, 23, 22, 0.2)","hsl_parent_dependency":{"h":60,"s":0.02,"l":0.09,"a":0.2}},"flktr":{"val":"rgba(23, 23, 22, 0.8)","hsl_parent_dependency":{"h":60,"s":0.02,"l":0.09,"a":0.8}}},"gradients":[]}}]}__CONFIG_colors_palette__, Scorpion and HyperScorpion Express Review, Common E-bike Battery Problems and How to Fix Them. Once the speed controller recognizes that youre under 25 km/h, the battery management system will again supply power to the main motor. Check the motors power transmission system for missing parts. For a better experience, please enable JavaScript in your browser before proceeding. Dont get me wrong; e-bike batteries are built to last - but theyre still prone to failure if they arent adequately taken care of during their lifetime. Some involve lightbulbs and voltmeters. It can be worth checking your charger first. The Nakto Electric bike is cheap and durable for all your cycling needs. Sometimes that means a DIY fix and other times it can mean a recall, software update or part replacement by a dealer. The final note here is dont let your battery get hot. I did find some error codes on the display Ill post the picture below. If engaged, this will keep the throttle / motor from operating. There is a gear sensor and its got a flashing green light and is looking properly fixed to the bike. Get special offers, exclusive product news, and event info straight to your inbox. 4) If it's still dragging, adjust the clutch. Powerful rear hub Motor. One of the most convenient place to get new e-bike batteries is Amazon. Youll want to use the red lead to test the positive side of the adaptor, and your black lead can check the negative side. I think patience is a virtue. No rain only shine and Ive ridden it on bike path only, nothing wild yet. If you notice that youre charging your battery, but it still discharges quickly without being used, you might have a short circuit somewhere or a faulty battery at your hands. EBR was paid to perform this review #Sponsored We try to be honest, thorough, and fun! Readjust the battery, stick the charger in and reboot the bike. These days, the market is full of e-bike throttles with plenty of additional features. Be sure to check that your battery pack has at least two bars of power. It might be the first time you rode as, In the world of electric bikes, there are numerous capacities of batteries which add more power to your push pedal bike. Reinstall the battery and try to turn on the bike. If this doesnt work and youre having a hard time determining whether or not your pedal assist system is faulty, its best to take your ebike to an electric bike service shop so they can remove and replace the faulty parts. As that magnet turns more and more, the Hall Effect Sensor will detect that and gradually increase your e-bikes acceleration as well. You use the first 5 or so of your charge-discharge cycles to complete this task. The moving part of the throttle (the part you press with your thumb or twist with your hand) may have somehow gotten entangled with the wires inside. Think of it like using a defibrillator on your heart. Do I need a license to ride one? Thanks for the great article. Its just that the faulty brake sensors are preventing it from doing its job. ModWheel 48v 1000w Direct Drive Electric Bike Kit. The bottom line? At times it's fine oother times it'll just die on me. This bike uses a different brake styles for the front and the rear, and it also affects how the wheel can be taken off. Manage Settings Was your screen not functioning due to the battery being a loose connection? Then, tighten the brake cable by loosening the brake cable stopper, pulling the brake cable tight, and re-tightening the brake cable stopper. Low voltage from a bad set of cells could also trigger what the throttle is doing but probably not the assist issue. You are using an out of date browser. Were going to help guide you through the world of electric bike batteries. Please read our Privacy Policy. Heres a quick test that can detect the problem: Remove the battery pack from your eBike and charge it up on a bench. Reboot the battery by holding the battery power switch for 10 seconds. You should also check the brake cable tension and adjust it if necessary.