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19 votes
Accepted

Does anyone make dummy batteries for eTap AXS derailleurs?

Talk to the bike shop where you got the bike. The bike should have come with this as part of a kit that includes the charger and 2 little plastic battery protectors. The color is red, of course. ...
Gary's user avatar
  • 306
14 votes

Does anyone make dummy batteries for eTap AXS derailleurs?

I've never handled one of these, but it looks like you could take the battery off, put a small piece of electrical tape over the contacts, and put it back on. If you have to cut the tape in a fiddly ...
Chris H's user avatar
  • 59.9k
6 votes

Find replacement battery for this e-bike

That battery case is a common form factor, often called "ebike battery case 03". Based on labels, your battery has 36 V voltage and Li-ion chemistry. Same case type batteries are still sold ...
jpa's user avatar
  • 1,847
5 votes

How to replace and service Polar T-61 Heart Rate Monitor?

I found the answer in this thread, but because the pictures are missing and they would have been helpful, I'm posting a similar version with illustrations. (And I chose this StackExchange site since ...
emonigma's user avatar
  • 211
5 votes

E-bike battery placement on the seat tube

I could see some arguments to consider the battery in the downtube as a better placement, so the reason is that it is not the best alternative: Structural reasons: especially on step-through bikes, ...
Rеnаud's user avatar
  • 20.7k
4 votes

Find replacement battery for this e-bike

Its a ZAP brand bike, with their custom battery pack. You'll need to buy one of theirs either directly or from a reseller. Strangely, https://www.zapebikes.com/products.html does not list ...
Criggie's user avatar
  • 126k
4 votes
Accepted

Why do my Urbanbiker Viena electric bike batteries keep failing?

It is not normal that a well maintained, properly manufactured battery pack built with quality Li-Ion cells using a proper battery management system (BMS) fails that fast. Now, I can't tell if the ...
olliebulle's user avatar
  • 4,139
4 votes

Find replacement battery for this e-bike

If you can't get a new battery, you might be able to get a company to rebuild that battery pack with new cells. I've had good luck with these people: https://ebikemarketplace.com/ They were very ...
gordyj2000's user avatar
4 votes

Finding a battery for an old e-bike

In most cities there are companies that repack battery packs for all sorts of electronics. Most advertise around from power tools battery pack refurbishment but can probably refurbish yours. You can ...
mattnz's user avatar
  • 51k
3 votes

Does anyone make dummy batteries for eTap AXS derailleurs?

The part your looking for is a battery mount cover for eTap / AXS / Eagle AXS Manufacturer (SRAM) Number: 11.7618.008.000 Most of them are appear out of stock but I have found this other eBay listing ...
Nanobis's user avatar
  • 31
3 votes

E-bike battery placement on the seat tube

What are the disadvantages though? The removal mechanisms need a special seat post, the simple knob you describe is a very specific design that needs intensive testing (you need to be sure that it ...
EarlGrey's user avatar
  • 3,704
2 votes

Why did the manufacturer fit a usb port on my e-bike battery when it is not connected?

It doesn't fully answer the question but I've found a (replacement?) battery online that seems to be compatible to the Viking Gravity based on its product description: Compatible with ebike type ...
DoNuT's user avatar
  • 4,496
2 votes

Finding a battery for an old e-bike

If your battery pack is integrated into the downtube, or any other vendor-specific part that is integral to your bike, see @mattnz 's answer. If your battery pack sits on the baggage rack, or has an ...
Burki's user avatar
  • 1,570
2 votes

E-bike battery placement on the seat tube

Downside - this makes the wheelbase longer, so the bike will turn slower compared to a shorter bike at the same front-wheel angle. This is why race bikes tend to have the rear wheel tucked in close to ...
Criggie's user avatar
  • 126k
1 vote

E-bike battery placement on the seat tube

Another downside, with step though frames, is the battery on the down tube will significantly reduce the clearance the rider has to step through. This can be mitigated with integrated down tube and ...
mattnz's user avatar
  • 51k
1 vote

1999 Giant Lafree Electrik, Only the diagnostic red light comes on. What is the problem?

I solved the problem by holding down on the reset button. Update: I should have said I held down the self-diagnosis button. It took a few seconds then I think I heard a beep and all the lights flashed ...
Bill's user avatar
  • 21
1 vote

Find replacement Electric bicycle battery lock / cylinder

That’s going to be a proprietary part made for XEED. Limited chance of buying one off the shelf. If XEED can’t provide a new module maybe you can get the lock core replaced which would be a job for a ...
Warren Burton's user avatar
1 vote

How to make a 10 year old electric bike battery work better?

Very probably inside of the battery pack, a cell is quite bad, and the behavior of this specific cell is impacting in the normal work of the battery though most of cell are working fine. Even if you ...
Daniel Perez's user avatar
1 vote

E-bike battery charger making horrible noises, only works certain outlets?

I would think that the different outlets are just a red herring. The loud unhealthy noise that broken fans make is actually coming from the fan's bearings. In effect, that fan's axis is dancing around ...
cmaster - reinstate monica's user avatar
1 vote

E-bike battery charger making horrible noises, only works certain outlets?

It may be miswired plug. If the plug of the charger contains three terminals, it may be incorrectly wired, by swapping ground and neutral. This is a dangerous configuration to use that also may or may ...
nightrider's user avatar
  • 7,879
1 vote

E-bike battery charger making horrible noises, only works certain outlets?

That sounds just like a normal high speed fan in a charger to me. My charger has one and sounds like that when charging, stops when battery is charged even when still connected.
Graham's user avatar
  • 11
1 vote

E-Bikes - Is it bad for the bike to run out of battery?

Do not leave the empty battery for very long as it slowly self-discharges over time. The charging level then may drop below what is safe for the battery. E bike controller turns the assistance off ...
nightrider's user avatar
  • 7,879

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