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EUC

  1. 54v 4-pin 7000 mAh Do you know if this battery will work in my 2018 Segway minipro 320 ??🙏
  2. Simple question to you, owner of a Gotway/Begode wheel and located near Europe. Would you be interested buying LiTech battery packs, same as the ones currently shipped to eWheels customers as part of a recall to address fire safety concerns with the original Begode 900Wh packs? I have nothing to sell myself, but if there's demand, I believe it could be possible to convince a reputable European reseller to import them. Compatible wheels: Gotway Monster Gotway MSP Gotway/Begode Nikola 100V Begode RS Begode EX Begode Monster Pro Begode EX.N Begode EX20S Extreme Bull Commander Extreme Bull X-Men These packs exist with Samsung 50E variants or Molicel high drain cells for higher power delivery. Main use cases: Replace packs with poor fire safety track record Replace damaged packs with bad cell groups which stop charging Upgrade to high power cells for lower voltage sag in accelerations and at speed, significantly lower degradation during fast charging LiTech packs characteristics: Images from eWheels website More results: I asked the same question as a poll on Facebook https://www.facebook.com/groups/ElectricUnicycle/permalink/5435790713185514/
  3. In an effort to see how many miles I can get out of a single charge, I'm working on draining the battery of my inmotion V8 down to zero. Most of my rides are short, 20 minutes-ish, and roughly 2-4 miles, so it takes me all work week to get there. Anyway, I'm getting close, and just wanted to know if there are any warnings to look out for when riding at a low battery percent? I've been reading other threads, where other wheels get "tilt back" when they are getting low on battery or maybe start to slow down. Do these things happen with inmotion wheels too? When I finally get down to zero % will the wheel just turn off, leaving me with no stabilizing help? Thanks in advance for the help, I'm just trying to prepare myself a little so that I don't end up with a fantastic "face plant" story or worse ...
  4. 2 KingSong 18XL Batteries *USED* l 84v Moving need them gone ASAP. Please send offers, can go together or separately. 714.348.9962 text/call or email listed below. Mbrittany7217@gmail.com Ty!
  5. S18 XL Battery Project Project photos: https://photos.app.goo.gl/ct1hhpYLYmc9uDvq6 Ordered: 21700 cells, 2 x 10S packs Added another 20S in parallel (wired both packs in series). Each pack includes a BMS, so no funky wiring beyond the addition of a parallel connection. Waterproofed all the exterior wiring. S18 will no longer be ridden seated as is. Worthy trade off for larger battery capacity. A little top heavy; reminiscent of the V12. You can feel the motor have more immediate torque/acceleration. The battery is top-mounted and should not be damaged in a fall unless the wheel does a full on roll/bounce situation. Charges with stock or alternate aftermarket variable/fast chargers. Before: 60 x 21700 cells Rated capacity: 1110wh Energy consumption (average): 26.9wh/mi Range 0-100%: ~41 miles After: 80 x 21700 cells Estimated capacity: 1484wh Energy consumption (average): 26.9wh/mi Range 0-100%: ~54 miles Battery packs ordered from AliExpress, requested an XT90 plug. You must specify a plug or you will be sent a default/no plug. XT90 series and parallel connectors purchased via amazon. In future projects, I may opt for smaller plugs (XT60, maybe even XT30). This would reduce cable component surface area and make accessibility more convenient.
  6. Hey I'm an electronics engineer! My EUC has an 800Wh battery, and I have never used more than 50% in a single trip. I love going to coffee shops and parks to get work done, so why not tap into that enormous potential to power my laptop all day? That'd cover me for more than 8 hours, even on ridiculous workloads like VR gaming. So I bought a cheap power supply that can drive my laptop using 30-90V, which is more than the range of the battery pack. I'm using an MCM5, and I've found that charger pins 1 and 2 go directly to the battery for charging, but it appears that something (possibly around the BMS) doesn't really like power going out of the charging port, so now I'm considering alternatives. Before I pull this apart, I'm wondering if anyone has suggestions or guidance - perhaps someone who's seen and understood the insides, like @RagingGrandpa?
  7. Hi guys, Do any of you know the Continuous Current, and the Peak Discharge on the Tesla & Mten 3 batteries? It's my understanding that for each unit there are two batteries and they have a 84.7 Voltage. Thanks everyone!
  8. hi everyone, I got this battery and would be grateful if anyone could tell me where or what the extra black connecter is used for.
  9. I used my 41mb of my attachment limit, sorry here the link to photo tutorial for disassemble battery (Im not making money with my blog , there's only a google cookie inside Update april 2022 https://sites.google.com/view/mini-j-world/mini-tech-s-pro/parts-repairs?authuser=0#h.p_ZUFQMtWLW1z7
  10. Hi all, I have ordered 14D controller and the battery packs from ewheels. But when I try to install, the motor is not getting engaged. The controller is beeping. Also I checked the motor connection cables several times. Attaching the video regarding the same. Any help is highly appreciated. KS 14D.mp4 Adding another video.... KS 14d_2.mp4
  11. Hello, I bought my Segway Mini Plus the beginning of this year in US. I was working there, however I live in Chile. To take it back on the airplane, I took it aparat - stand board with wheels - direction handle - battery pack The Battery Pack i took appart in single Litium Batteries and then spot welded it at home together. Everything worked fine. However last week I washed it with my Kaercher Hydro Pressure Cleaner, and I think I screwed up the boards, that handle the Battery Charging. Does anybody know where to get those as spare parts? Michael
  12. I'd like to hope to see some of these ~500wh/kg ~1000wh/L ~1000cycle batteries find their way into EUCs by 2025. That would be sweet .. to about double the battery kwh of a EUC without an increase in weight. Expecting cost will probably be pretty 'orbital' https://sionpower.com/products/ https://sionpower.com/2020/sion-power-demonstrates-key-electric-vehicle-ev-battery-performance-requirements-in-its-lithium-metal-rechargeable-battery-cell-technology-2/ In the mean time .. I'd like to just get my hands on some 'test' samples
  13. Hi, I wonder if someone can help me. I have a hooverboard (from China) and it's always worked perfectly, though we've not used it much. However, I have encountered a problem..... the battery does not retain a charge, the first thing I noticed was that after charging the battery only lasted a very short time (now I think that there was no charge applied and the battery was just depleting more each time); if I plug in the charger, I get the correct flashing amber light (at least I think it's correct); but no charge is retained; now, if I unplug the charger the hoverboard won't turn on (so that the battery is pretty much empty). I have tried a new charger (which I didn't mind buying as the charger I had didn't have a fused plug), but this has the same effect. There is only one way to plug in the charging cable, so I don't think that is the issue. I have taken the two plastic covers off and nothing obvious is wrong (no cables are loose and all connectors look OK). It seems to be that either the battery has just broken, or that there is something wrong with the charging mechanism (does the charging light mean anything here?). Anyway, some pointers as to what I should check for would be appreciated.
  14. Hey everyone, I have a ninebot z10. Was my first and is my only wheel. I know many people experienced issues with their z10s. But i never had a real issue with mine. Unfortunately i have not ridden in a long time due to life being too busy. I tried to charge my wheel up the other day amd it doesn't respond. The charger light stays green. I tried disconnecting the battery but that didnt work. I tried charging the battery directly with a cable connected to the charger. But that hasn't work. I am going to retry this with different wires because they might not be connecting. Does anyone have any other suggestions in the interim? I love riding this wheel, such a great experience so whether i get another wheel or not i dont want to lose this one.
  15. I took a screen shot of the battery percentage on both apps. EUC World showed 37% and Darknessbot showed 54%. That’s a big difference. Anyone know why this would be the case?
  16. I bought an IPS i5 245WH on 9/5/2018. I have been riding it since and enjoyed it very much! A few weeks ago, the wheel starts to beep constantly. And later on I discovered whenever I charge it, the charging light turned red and immediately turned back to green. It seemed the battery was no longer charging and low battery caused it to beep constantly. I contacted the manufacturer in China and showed them all the settings and voltages from the Android App. They said the battery cells are good, maybe just the connector was loose. I tried juggle the connector and no use. Today, the battery is completely depleted. I opened up the case, took out the battery, and connect just the battery alone to the charger and had the same result. I searched the web and saw other people had similar issues, but no definitive solutions have been found. I have contacted eWheels support as well. Just thought to share my experience in this forum in case it can be helpful to others or if someone has any suggestions. Thanks. I also took a video of the battery not charging:
  17. I have a Ninebot S that I have added M4M hybrid tires. I take it to the golf course and barely can make 18 holes with it and relatively flat courses, although I usually can make it. But it is surprisingly gets pretty darn close to depleting the battery. Last week, I barely got back to my car with the device beeping at me because I was at 7% battery left. I'm hoping if I swap out the stock battery (236 Wh / 4300mAh) with a MiniPro pre-2018 battery (310 Wh / 5700mAh) that this would now comfortably get me through a round of golf. I have read a few places that I would need to use the bigger charger as well (i.e. the 63V version rather than the 59V version that comes stock with the Ninebot S), but I can get one of those. Has anybody here had expertise in doing exactly this and getting more range? I also understand that the app may not necessarily show the right information, but as long as I get more range, I would be more than happy. Thanks. /LesC
  18. The voltage on my monster battery pack is too low to charge with the included charger, is there any hope for the pack or is it basically trash? 😬
  19. Has anyone ever had a battery with a voltage reading too low to charge with the included charger? If so what did you do about it?
  20. I need help identifying a part or part number. I acctdently damaged the connector that connects the round batter Ninebot Model NEB1002-H to the control board. Here is the image of the part. https://www.facebook.com/photo/?fbid=178876496920532&set=a.178876516920530 If you could please email me sinor2018@gmail.com that would be great. I tried google image search to no avail. I hooked the battery up without that cable and got error message.
  21. UPDATED Today, ! Hello it's now 4 month olds bought the 11 / 02 / 2020, I'll love it, it's better than my car ;3 Faster !, but not safer, i prefer to crash my car to annother car ;3 I was ridding and about 3 weeks ago, perfect weather, between 70% to 80% charge, i start my ride as usual. and on the middle range i notice the battery was low 4 green lights over 9 (I always end my work trip (25 km) with getting full battery and 25km more to get to the low level 3orange dots) i never saw my wheel with more than 2 greens leds off for my work-trip... and i decide to charge at work, witch was pretty fast only took 1h for full charge... strange strange... I do notice one side 'Outside right' of my wheel was a little more warm than the other, like 28°C ? and the other was at 20°c, not soo big difference, as hot as the motor run, "normal" [FULLCharging + stay plugged 4 hours ?] Then trip back home: 25km (total climbing 200m) and when riding, the wheel kick me off for low battery warning... (i could get home by pushing it during climbing) as an engineer I'm getting to open the wheel: wheel opened, 1 Overcharged dead pack 4.23v ?), and one "good"? pack with 50% battery remaining shown 3.82v... (it was full charged 2day before opening) I don't have that big time like kids to speak on, the vendor allow me to inspect my wheel... lets see what inside on next post ! as the battery pack is still under waranty, i can't unpack it to see what's wrong inside... but for sure there is at least something dead inside ...
  22. I am selling a battery for Kingsong KS-14B, I wanted for a project but in the end it wasn't able to use as intended. Picture
  23. WARNING ** THIS BATTERY MAY LIMIT YOUR TOP SPEED ** OVERVIEW: More4Mini is selling a new 3rd-Party battery made for them by the OEM WorldPower Shenzhen World Electric Co. Ltd. “Extended Range Replacement Battery for Segway miniPRO - 355wh 6400mAh” Specifications are listed as: Model: WP-DMR-01 Configuration: 15S2P Voltage: 55.5VDC Capacity: 355Wh / 6400mAh Listed on the battery is LG INR18650, implying that it is based on 18650 cells by LG, The More4Mini website also states that LG cells are used, but could not provide the specific model number of the cells. So it is really just about name-dropping, and not about verifiable specifications. Somewhat useful given the problems with battery manufacturing, but lacking for a technical product. If we can assume the specifications are done similar to the original batteries, then the 355Wh / 6400mAh hour capacity would be when charged to 63V rather than the 55.5V Nominal voltage, or the 59.5V used by the standard North American Charger. More4Mini claims a 20% increase in mileage, but does not have any basis for this statement that they were willing to share. Based on the full Wh or mAh capacity, the increase would be somewhere between 12% and 14%, but the dynamics for estimating the increase are too varied given the potentially different discharge profile of the battery, and the operating environment variables such as rider weight, terrain, individual user’s speed/acceleration profile, enforced speed reductions by the MiniPro, etc. I would assume the stated 20% increase would be based on the 59.5V charge of the standard charger, but it is not explicitly stated. COST METRICS: Using the full 355Wh spec and the current cost of $200US, this works out to $0.56/Wh, which is an OK price, but not a super deal in terms of pure $/Wh. The Segway 310Wh battery, based on More4Mini pricing ($255) works out to $0.82/Wh which is on the expensive side. Keep in mind one is not getting the full capacity of these batteries if using the stock charger, so the real theoretical cost is higher. The actual cost would need to measure the actual Watt/Hours used during operating the device as all these numbers are nominal and can vary widely from actual use on the widely varying motor load of the MiniPro. Raw cost of 18650 capacity for a general consumer ranges from $0.20-$0.80/Wh ($0.40 for quality cells), and one would actually expect to get a discount when buying in bulk such as a battery pack as the extra electronics usually are very inexpensive. so a cost of $0.40/Wh is good value in a pack like this, but since it is custom with limited demand, the $0.56/Wh cost of this battery is reasonable. TESTING: I bought this battery just for fun, and to see how well it worked with the MiniPro. I feel the reported increase in capacity is not enough for someone to want to upgrade their battery, but if one is looking for a new battery or a second battery, then the increased capacity would be nice. It should be able to maintaining a higher top-speed for longer at the very least, and that is useful as I really hate how the MiniPro must reduce top speed as the battery is discharged. The battery weighed 1923g. This is roughly 110g less than a fully charged Segway 310Wh battery. The voltage of the battery when delivered was 57.9V. The battery is sealed, so I won’t be ripping it open today before testing. The standard charger connector is used with the threaded collar just as the original, and the connector cover is good. I like the charge connector cover better than the original, it stays put, and I think it will last as long. The battery did not include the small rubber insulators/seals/washers for the 4 screw holes, but it does have the recesses for them. This is unfortunate, but not a huge deal. There is a little LED on the back of the battery, or at least a window for one, but it does not blink or do anything when the battery is not connected to a charger. There was no light on the battery when connected to a charger either, at least not at its current charge state. I suspect the light is non functional. NO BMS COMMUNICATION. As expected the battery has no communication from the BMS in the pack (I presume there is one), with the MiniPro, so there is “no” battery information provided in the App. The App shows the speed is limited to 10km/h on my Segway, I’m using v4.0 of the Ninebot App, and I’ll have to check the firmware version. Alexey from More4Mini, said he was not speed limited, but did not use the App. I will need to do a road test to see if that is true, but I’m not very hopeful as I think the firmware has limited the speed with the battery. If true this is a real show-stopper, if it just means one cannot use the App when using the battery this is less of an issue, but inconvenient since you won't be able to watch your speed. tried charging the battery from its delivered state using the stock Ninebot charger specified as 59.5V (OC Voltage measures 59.61V). After 80 minutes the charger light turned to the undocumented yellow/amberish color, the battery measured 59.18V (charger connected), then at 90min it had turned to green and the battery measured 59.21V (charger connected). The ending voltage of the battery (charger disconnected, 15+ min rest) was 59.15V. So it would appear that charging the battery with the stock MiniPro charger worked as expected. I moved it onto a 63V charger, since I figured at this point it was best to have a full charge on the batteries. After 45min the charger had a green light, and I didn’t give it any extra balance or top up time, the battery measured 62.3V Unfortunately the road-test failed. Speed was severely limited I could not not ride it, it was just too annoying. Tilt-back would just bring me to a standstill as I tried to go up a small incline near my place. it worked ok for a 5km/h, or less, trip to the garbage bins, but anything more than that it was not tolerable for me. Since it was dark and starting to snow I didn’t spend any time trying different things. I never connected with the App after installing the battery, so clearly, as is pretty well understood, the firmware was limiting the speed. I used my oldest Segway but it uses, v1.4.0 firmware and I don’t plan to update it as I’ve heard nothing about the latest updates and I’m worried they will restrict the 63V chargers or may other annoying changes as they have done in the past. It is hard to downgrade the firmware and I don't want to mess with that. CONCLUSION: I’d recommend sticking with the official batteries if you are on firmware 1.4.0 or later as this battery is not really usable with a 10km/h limit (or possibly even slower before tiltback kicks in). Maybe someone else will test it with earlier firmware or More4Mini will provide more information on what is required to remove the speed restriction, but it seems to work the same as all the other 3rd-Party batteries so I’m not sure anything really can be done outside of changing the firmware. I guess this was a case of too-good-to-be-true.
  24. Hi, does anyone knows what specs are the standard bms for the 20s from gotway? I'm looking specifically at the max current rating that I need for an extra battery pack. thank you
  25. I'm having a similar problem described in these threads. see context for all the details i have https://forum.electricunicycle.org/topic/7670-ks16s-stops-charging-at-76/ https://forum.electricunicycle.org/topic/15150-ks14s-stops-charging-before-100/ Unfortunaety i'm going to mexico for 10 days and wont' be able to troubleshoot. I've emailed Jason from ewheels, and he says it should be safe to ride but be more careful at lower voltage. I'm concerned my packs will become more out of balance or some of the cells might be charging beyond 4.2v to make up for a possibly bad cell (if that's what's causing the issue). I can live with my beloved 18s even at 80% capacity and going at a max of 16-18mph if need be. but if my concern is right, i should eventually open it up and diagnose. I'm a little concerned about dissaseembling it, but I know someone here probably knows of a good guide on this forum or video to look at to help. Do you think my problem below is one easily enough solved by a college electrical engineering student? thanks very much ----------------------------------------------------------------------------------------------- CONTEXT I've had the wheel for 1 yr now, I purchased it from somebody who purchased it from ewheels, but likely the warranty is over. In my year of having the unit, I have charged it to "100%" two or three times (but im not sure how long extra i kept charging when the green leds came on), while mostly keeping it charged around 75 to 80% This just started happening last week, and I've reproduced the problem at least twice (after discharging and riding the wheel and recharging) here some additional information: 1) The charger shows the green LED 2) Connected via Wheellog App it shows 77% charged and 62.4V 3) the wheel itself shows 8 bars 4) I've checked it with TWO ewheels smart chargers at various amps and various % settings. I cannot get it to charge beyond this point at any of the settings 5) the Charger got to around 64.1 or 64.2 v (i've always noticed the charger is 1 to 1.5v higher than what wheellog reports) before the green led on the charger lights up and then it showcases 67.2 - sometimes 67.8v 6) I have not checked the voltage on the prongs of the charger yet. 7) i have not opened the device and measured voltage on the battery pack itself 8) I've charged it in two different places/two different outlets using one of the smart chargers
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