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This is a counter-intuitive argument: The micro USB connector Bosch use is far more ubiquitous than any iPhone/lightning connector: Micro USB is THE standard for powering handlebar mounted GoPro cameras or Android phones, with shorter, custom-length correctly-plugged leads easily available -...

As you already have an inverter it's likely the best option for you, but Wisper do do their own 12v car charger: https://wisperbikes.com/shop/chargers/st-12v-car-charger-36v-2a/

I hope so. It was like the sodding Tour De France out there at 6.30 this morning.

My local e-bike/motorbike insurer says: "To be classed as an electrically assisted cycle(pedelec) and therefore be acceptable on this scheme the bike must adhere to the following criteria: Maximum rated motor power 250W, Maximum speed with power assistance 25kph (15.5mph in the UK). If your...

I can understand your frustration. Halfords announced in mid-march that they are in the process of closing all 22 Cycle Republic stores (although some say Pure Electric will be taking over 11 of them), but I can't imagine any of CR's 226 staff will be too motivated to help you at the moment...

As wheeliepete says, the DPC07 is available with UART and CANbus protocols. UART works with the open-programming cable. I don't know how "locked" the newer/later CANbus option is. Forum member/Manufacturer Woosh uses a variant of this motor on his Rambler dutch-style e-bike - he did comment that...

It's more likely because the older-style Crossfire has its controller built into the end-cap, which makes it longer. The standard SF-06 arrangement (as my e-bike uses) has the controller in the motor, so that end-cap is empty and shorter (as Yose show). The battery itself and the lock/top cap is...

On my M400/DPC07, even the longer 850mm lead would only reach as far as the lower part of the downtube - it still wouldn't reach the motor housing. IIRC, the display lead still needs to then connect to a combined wiring loom from which the various other connectors are then split, before...

This may help: The DPC07 display is available with 2 cable length options - 230mm or 850mm. You could measure to determine where the connector is likely to be and decide from which end of the downtube you could pull the cable through to access it - if that's what you still want to do...

It would be very, very unusual to have a cable soldered directly to the display that was long enough to run all the way through the frame and then plug directly into the controller board in the motor. As you say, you can't find a socket there anyway. If it is as it appears a standard Bafang...

It's hard to say. The current model Qwic MN380 uses a Brose motor, but there are pictures of the current (similar I think) Qwic MN8 model that uses the Bafang M400 motor as yours. That MN8 uses the standard Bafang DPC07 display (same as my own display). It may be that Qwic paid Bafang to put...

Different e-bike, different Bafang mid-drive motor (and thus settings he uses), but the programming cable and connection point is the same for all Bafang mid-drives:

The voltage does seem way too low to be recovered. Your e-bike appears to sell under several different brand names. I've seen a few youtube videos showing your bike with battery testing, removal, replacement (same capacity or larger)… even adding secondary batteries to increase range. Sources...

Yes, so that suggests Pin 2 is for handshaking. A number of e-bike makers use that measure (and often a unique plug/socket) specifically to prevent you using chargers of unknown origin. It must have taken Powatechnic some time to work out all the different techniques used by each maker to...

You're looking for problems when there aren't any. Powatechnic adapt generic 2A, 3A and 5A chargers in a variety of voltages, modified with a huge variety of correct plugs and correct connections. They do a modified Sans Charger for Halfords Carrera bikes with 5-pins connected to include...

A number of members on this forum have bikes with Bafang 400 mid-drives (as do I); many have used the programming cable to modify their settings. There's a wiring loom running from the motor up the downtube. There're connectors inside at the top for brake-cutouts and/or gearsensor and the...

It does sound pretty catastrophic, but unless you can post a pic it's hard to comment if the issue looks terminal. If you just want to buy a replacement, Powatechnic in Sheffield modify/resell alternative e-bike chargers for most brands including your Kalkhoff Impulse for a lot less. They...

You mean your charger went "BANG" as in an audible "BANG", or it just stopped working? Common charger failures include: 1) Fuse in plug or the charger itself 2) MOV/VDR failure (sometimes coupled with a thermal fuse) designed to stop an overvolt event. 3) Capacitor failure, usually on the...

Halfords updated a lot of things on their Carreras in the last year: The new batteries/chargers have fiddly little connectors and fragile pins which many complained about/broke the pins. A member posted here recently that Halfords are now supplying a charger with a dock that charges through the...

On the MaxDrive 400, I'm pretty sure you disconnect your display at the in-line connector near the headtube and plug the programming lead in there. If the connector isn't obvious/visible, it may be pushed into the downtube a little, so you may need to pull the display cable back to access it.