Questions tagged [battery]
The battery tag has no usage guidance.
59
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Carrera impel IS1 scooter
customer brought in carrera impel IS1 scooter and its pretty new. Max speed should be 15.5mph at the moment it goes just under 10mph. New motor, new ECU been fitted. Is it something to do with the ...
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3
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Find replacement battery for this e-bike
My ebike battery totally died today. I can't find the model number for the battery as it is not written anywhere.
Here are the pictures:
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4
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1
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Why do my Urbanbiker Viena electric bike batteries keep failing?
Around late 2019, I bought an Urbanbiker Viena new off Amazon for my daily work commute (around 15km/day at that time, now it’s a bit lower at about 10km/day).
After about 4000km, my (first) battery ...
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1
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Is it safe to charge my ebike lifepo4 battery this way?
I have an 8S LiFePO4 battery pack for my ebike project which I tried to charge using my suspicious lithium battery charger. The charger applied a voltage slightly higher than the battery voltage at ...
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1
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Why is my ebike Shimano display dead?
The bike battery is fully charged. When I plug-in the display, the screen does not come on at all.
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Bosch Performance No charge?
Hi I have a 2017 Bosch equipped Cannondale Cointreau e it's the performance class 3 Bosch Drive. 500 battery. I'm getting 5 volts at the charger 120 volts going into the charger 5 volts on the output. ...
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5
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Should pedal assist ebike battery discharge constantly?
I have a Specialized Como 2.0 (pedal assist) which I absolutely LOVE. I want to get as much exercise as possible, so I always ride it as a regular 9 speed and only hit the power button on grades or ...
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What Scott 2022 e-bikes have range extenders?
I've looked online and I think it's just the 'Genius' that has the range extender option.
Are there any other Scott e-bike models that have this?
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Can not put battery in Winora Youcatan Pro slot
The downwards facing battery slot of this E-bike was never great, and I always needed to fiddle the battery lock key both directions few times while pushing the battery in. This morning I was not able ...
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3
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1
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Is it safe to use 4A charger on a 2A Battery
My Ebike uses a 48v battery, but the charging amperage listed on the side is 2A, and the original charger likewise is 2A. Having lost that charger, the replacement I could get on short notice is a 4A ...
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1
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Has anyone successfully changed the battery in a Knog Blinder Mini Dot?
I have a pair of Knog Blinder Mini Dots which were left with their non-user-replaceable LiPo batteries flat over winter and now won’t take a meaningful charge.
I’m handy with a soldering iron but less ...
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476
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Specialized Turbo “LO BAT” error with torque loss
My Specialized Turbo has started showing momentary (5 second) “LO BAT” errors on the display, and at the same time the motor switches from torque to a stuttering high drag condition. This only ...
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2
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Is it safer to remove a battery from an ebike before charging it?
It is possible for me to remove the battery of my ebike and I am wondering if it is safer to do that before charging it. Could there be a potential damage to the electric motor while charging a ...
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3
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Why are there no/very-few bicycle-specific lights with replaceable 18650 Li-Ion batteries?
Most (higher end) battery-powered bicycle lights have built-in Li-Ion battery or a battery pack nowadays. There seem to be no front lights using replaceable 18650 cells. Rear lights with replaceable ...
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2
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638
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E-Bike Battery not working
I have borrowed an e-bike from a friend few days ago. Yesterday battery was empty so I left it to charge last night. I left it overnight. Now when I put it in bike it does not work, not responding.
I ...
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eBike: use 48v motor with 36v controller and battery
On one DIY eBike I currently have a 36v 250w rear hub kit. It's a "cassette" version, not "freewheel". Problem is, the internal freewheel mecanism of the wheel is very damaged (...
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2
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Is it normal that the pedalling assistance gets significantly less on an e-bike with low battery?
I recently bought my first e-bike (Coboc Montreal Seven), which is advertised to have a ‘natural riding feeling’ by measuring torque sensor signals and translating them to the ‘right’ amount of ...
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Should I buy a spare integrated battery with my new ebike even though I only plan to use it in years while keeping it at 60% charge over that time?
I just bought a Priority Current ebike that has a battery integrated in the frame. The main disadvantage of this is that there is not third-party version of this battery, a replacement can only be ...
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2
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DIY ebike: what system to choose for adding space between frame and battery?
So, the project is to install this 5kg battery:
on this bike:
This is no joke. I'm serious.
Following up to this previous question, I'm going to use steel rivnuts (aluminium is really too light for ...
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1
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Blind rivet nuts for ebike battery on frame: aluminium or steel?
I'm planning my first installation of an ebike battery by drilling/riveting the frame (photo of the battery below), here are some details about the project:
The battery weights about 5 kg.
It's a ...
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203
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Bosch 500w battery stopped charging [duplicate]
Charger works as I have a second battery and it charges. The 500 watt battery displays a partial charge but does not charge and does not power bike. I have done multiple resets without success. It ...
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Windgo ebike charging problems
Hi I've been asked to try and repair a friends Windgo ebike problem is with the battery/power it's a new bike yet is not turning on.
Also the battery shows the illuminated Red light always and doesn't ...
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Why fit a usb on my ebike battery when not even connected
Id like to ask if anyone else has a viking gravity ebike with a internal frame battery pack which has a usb port included. Thing is i found out that it wasn't working even though its a brand new ...
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247
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Best solution for additional (dual) battery for E-bike
I've marked a few possible places for additional battery mount.
What do you think is the most reliable place to mount battery in terms of ergonomics of the bike? Also, how to ensure the parts are ...
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2
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Fortified Bicycle appears to gone out of business -- where to get one of their replacement bike light batteries?
One of the two rechargeable batteries that go with my Fortified Bicycle's lights appears to have started to die permanently. (The other remains in good condition.) I have looked through eBay and found ...
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What type of ebike motor would work best for a 13” tire?
I want to drive a yard cart with a motor / battery. The cart has 13” wheels and weighs ~200 pounds loaded. I want to walk behind it, so I’ll need to be able to control the speed between 1-3 mph.
...
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2
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423
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Wind (nano-/pico-)turbines installed on bicycles for regenerative charging of batteries?
What is the smallest wind turbine available on the market that has been installed on a bicycle? and what about R&D or even conceptual wind turbine?
This question is a follow up to question
why are ...
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3
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4k
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Is it possible to charge an ebike from a 12V solar powered battery?
I would like to use an electric bike while doing wild camping with my camper van. So I won't have a 220v source for days, possible weeks at a time. I am wondering if I could add a battery in my camper,...
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Bosch battery not charging
Bosch 400 battery pack, that I have not used for a long time. The lights are not lighting, tried to reset and got nothing.
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Shimano 8000 Battery Reverse Engineering
I am on a mission to reverse-engineer the Shimano 8000 battery, with the purpose being to allow Shimano 8000 batteries to be used with a non-Shimano controller.
The reason is to have two motors on my ...
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4
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E-bike battery charger making horrible noises, only works certain outlets?
I had posted on endless sphere but since then I have possibly made a little discovery.
Tldr; I have a fresh 48v battery and charger around less than 3 months old. Very intermittently when trying to ...
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3
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eBike winter battery power
My Bosch eBike has dual batteries which I usually ride with one battery. I feel like as the weather drops to freezing the bike power has dropped off slightly and when I ride with the second battery ...
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Replacement battery for Cygolite Milion light?
I have a Cygolite Milion 200 light purchased in 2010. Its battery is taking a long while to charge these days.
I wrote to Cygolite, and they say they don't have a replacement battery for it.
The ...
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2
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E-Bikes - Is it bad for the bike to run out of battery?
Today, I ran my e-bike out of battery for the first time. Interestingly enough, the bike didn't actually turn off, but automatically moved the mode from "Eco" (light pedal assist) to "Off" (no pedal ...
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KNOG BLINDER ARC 5.5 battery replacement
Can anyone please tell me how I would go about changing the battery over in my light please!!! I have so far taken off the lens cover and have undone the 3 x 1.5mm Allen screws to release the outer ...
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To what extent should I insulate an electric bike battery during winter?
For temperatures between 0 F (-18 C) and 32 F (0 C), to what extent, if at all, should I insulate electric bicycle batteries?
I have read that they do not like temperature extremes.
Should I wrap a ...
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2
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How can I troubleshoot battery issues on an electric bike?
I've got an electric bike with a GWA Easi-A36 battery (10.8Ah, 33.8V). The bike has a GWA electric motor.
When I turn the motor on (on the handlebar "computer"), the battery indicator tells me the ...
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Bike kit needs battery , need help choosing a battery and confused by specs
I have a 48v 1000 Watt rear hub kit, with a multifunction LCD display.
Voltage:dc48v,Current:28A Booster1:1,speed set 1:1-42v/dual mode, brakes : low level.
Now I'm unsure what battery to get. Can ...
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1
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How often should I charge my (lithium) e-bike battery?
I had a retrofitted e-bike running a Leed e-bike kit for 4 years. After 800 charge cycles the battery was toast. However this system is quite basic with both the battery management & charger.
I ...
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2
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Ancheer electric mountain bike cuts out under load
My year-old 250W Ancheer electric mountain bike currently has an issue. When going up hills, the motor is put under a lot of load and the battery turns off. It remains off until reset by toggling the ...
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Bosch 400Wh battery first led only is flashing and refuses to charge [duplicate]
On a long trip with a lot of wind my 400Wh battery went empty.When i tried to charge it at home it refuses to charge. The first of the five leds is flashing. Strange because in the manual is written 1,...
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3
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Cons of using an infrequent use long range e-bike battery trailer using SLAs
So I've recently purchased an ebike and started thinking about how I could go long distances without charging.
It occurred to me that whilst sealed lead acid batteries can't go through many cycles, ...
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Shimano STEPS E8000 battery won't charge [closed]
I have a STEPS E8000 bike and wanted to make some improvements, like possibility to charge from any kind of CC/CV charger (even using solar panels when grid is not available) and to charge it to 41v ...
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2
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Bosch battery stopped charging
It is a Bosch powerpack 500 and the other day it stopped charging.
The charger seems to have some output since one of the LEDs on the battery lights up. It is only one LED though and I believe I ...
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What is this ... electrical bike's setup? Is there a particular brand or model name for this? how to replace its battery?
Just bought it from someone, interested to get it fixed. he said it just needs to replace battery, I doubt it (after numerous experience with asking the sellers "what is wrong with the bike" and ends ...
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3
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Shimano Steps E6000 battery charge percentage falls abruptly
When the battery charge gets to about 20-25% it drops abruptly to 5-10%. The steeper the hill and higher the load drop percentage is higher.
Examples:
from 25% to 6% steep hill
from 13% to 8% small ...
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Charging eBike Battery with Solar
I need some advice / info on solar charging an eBike battery. We have two RadRovers from Rad Power Bikes. They are powered with a Panasonic Dolphin 48V, 11.6Ah Lithium-Ion battery https://www....
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Central axis motor or wheel motor for conversion to electric bike? [duplicate]
I'm planning to convert my "mechanical" bike into an E-bike for riding long distances to work, and I would like to buy only the motor kit since I already have the bike. I can see that I have two ...
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3
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Bicycle computers with nonvolatile memory
The one thing that keeps me from pulling the trigger on some bike computer is the lack of information about the odometer, the lifetime mileage on the bicycle. When you change the battery in your car, ...
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Charging a Garmin Oregon GPS
Does anyone know if you can charge a Garmin Oregon GPS from a bicycle hub dynamo with the optional rechargeable batteries? Thanks Karl.
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