battery

  1. T

    Help diagnose Jetson bolt charging failure

    My son has a Jetson bolt that he rides to school. It won’t charge and I am trying to determine the cause. He rode it every day last week and it charged fine until last night. The light on the charger stays green at all times and I don’t see the normal voltage change on the bike when I plug the...
  2. S

    Ebike battery maintenance questions.

    I have. New Chinese 72v U004 battery with hopefully LG cells. I’m new to ebike I’ve had one 48v and I think I messed up the battery as it has short life now. What’s The best tips and tricks you all have? Is the Charge to only 80-90% true? Excuse my stupidity but what is the voltage of 80-90...
  3. loamoaf

    Daly BMS: what am I doing wrong?

    I've got a handful of 14s Daly BMS's - model R16J-GF12. I got them set up for the most part and through the range of my electronic load's max power draw I have the discharge current showing up relatively accurately - though calibrating working current doesn't really do anything to the CADC Gain...
  4. M

    Where to get a Juicedbikes 52V*19Ah battery mount for a usual bike?

    I have a Juicedbikes 52V*19Ah battery left after my ebike was stolen and I'm planning to convert a usual bike(Treck Dual Sport 1) to ebike using it. I've googled it and it seems that battery is similar or is a Reention Dorado battery. Anyone know if I can buy it somewhere in the US?
  5. D

    48v battery only lasting about a mile

    I have a 750 watt ebike powered by btn electic bikes. Currently has 440 miles on it. 48v 12.5Ah battery. When I first got it there was no problem riding full throttle on the way to the store and back (about 4 mile round trip) but over the past few months the range has been dropping now I can...
  6. M

    DALY BMS - Beware when buying!!! - 13S 48V 40A - See Images

    Hi all, bought a DALY BMS 13S, 48V, 40A, in May 2022. This is supposed to be shock proof and waterprooof. Installed it carefully on top of my pack, secure with velco and Kapton tape on all terminals. The Silverfish case it's sealed with low module neutral cure black silicone. All the details...
  7. J.R.

    Battery Pack Range?

    Riding with a buddy the other day we got talking about our bikes and battery packs. I own a bunch of packs at a variety of ages. I'm constantly amazed by the performance of the packs. When I started ebiking the biggest worries were how far I could ride and how long the packs would last. My...
  8. Davy2011

    Hidden battery into a external battery?

    So my local bike shop gave me what looks to be a front rim, and a rear drive hub motor along with the display, cadence sensor, and battery..but there's a issue with this. I wanted to remake the stuff I got into a ebike, but upon looking online for what the battery was, this battery is a hidden...
  9. A

    NCM Battery won't turn on unless "jump started"

    Hello, I have a NCM Prague with about 400km on it. When the bike has not been used for a period of time the control panel on the bike will not turn on the battery/bike. The battery capacity button also doesn't turn on the battery/bike or show the battery capacity. I've never timed...
  10. shyneforever1

    how to replace my battery? please help

    I'm gonna buy this new battery and I am scared I wont be able to connect it to my motor because the connection types are different. How would I be able to connect the new battery to my controller? Why does the "canon charging connector" look so weird? I have no clue how I would connect this to...
  11. shyneforever1

    Does this look like a good battery?

  12. tego

    Battery compatibility question

    Hey everyone, I'm a pretty decent home mechanic, but very new to the e-bike world. I bought a conversion kit off eBay recently without really doing my homework beforehand. The battery pack it came with doesn't inspire any confidence now that I've read more about them, so I'd like to return it...
  13. F

    Speed for low price

    I want to get an ebike (or a moped or motorcycle) that can go up to at least 55kph and is under 3000$ CAD (or a little bit more if it’s really necessary). I am willing to build/modify it if need be but I don’t want something that looks like a DIY project done by a 12yo. I already got a Sondors...
  14. F

    Battery goes from 18% to 31% without charging

    Greetings, This is my first EV anything and am wondering if this is normal or not. Shut the bike down last night after a ride, 18% remaining. Did not hook up the charger. This morning it reads 31%. I notice this all the time, sometimes during a ride if I turn it off then right back on the %...
  15. M

    How the heck do I legally ship a spare ebike battery domestically???

    How the heck do I ship a spare e-bike battery??? Just the battery, no bike. It is a 480Wh Lithium Ion battery for a Specialized Turbo Vado. Unfortunately, the local FedEx and UPS stores said they are unable to pack it up for me. It is being shipped domestically. So it can go via ground...
  16. F

    ebike parts closeout

    Too many parts to list... bags, batteries, racks, brakes, controllers, throttles, rims, spokes, chargers...... see falconev.com or pm me for what u need
  17. N

    Ultimate Electric Bike - long range, high power, all terrain all weather bike, no registration...

    BUDGET: 15 000 Euros (around 17 000 USD) THE AIM: Build a highly reliable, long range, high power, all terrain, all weather bike.... Hello, I have a question: 1. Can you build a bike that is 10 000 watts? 2. Can you reduce power down to 1000 Watts for light cruising speeds on the road so it is...
  18. raboof

    Fixed CCS lost key by cutting retention mechanism & replacing?

    I lost a key for a Juiced CrossCurrent S standard battery and I need to replace the battery. Normally, the bike is stored in my garage so I don't remove the battery & have misplaced the keys. Based on the other CCS I have (which has a larger battery), it looks like I could cut the plastic...
  19. Air2air

    Battery backpacks as a product

    Wondering if a standalone e-Bike battery backpack is a thing yet. If it is not, I'm mulling whether to produce one or at least a kit instead of the hack jobs we are having to do now. Repacked my Kriega R-15 backpack with styrene foam, cut and hot-glued to just the right shape for the 17.5 52V...
  20. T

    Rize RX, battery charging

    I have searched the Forum but don't see this issue addressed, which means its probably a non-issue. The Manual states "Remove the charger from the battery within one hour after it has been completely charged. The charger will automatically stop charging when the battery is full, however...