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Are the button top cells you talk of 10000mAh Ultrafires by any chance? You need to be very specific when discussing 18650 cells, since there's a lot of crap out there.

Cwah, where are you located?

Have you checked your spokes? I have experienced a similar noise previously and a drop of oil to where the spokes cross solved it.

Sorry d8, my crystal ball is broken at the moment. I don't think it generally does increase the amount of wiring - there's only a single cable that runs between the CA and controller after all. It does affect where the wiring goes though, since all inputs connect to the CA, rather than the...

There really is too much to list. Some of my favourites include: Temperature monitoring; Thermal rollback; Throttle & PAS ramping; Throttle input & output remapping; Simultaneous speed, current & power limiting; Dual analogue & digital auxiliary controls; Custom presets; LVC power rollback...

The Cycle Analyst has come on a long way in six years. Maybe you should check out some of the changes since you last used one.

Part 2 to come....

May i add "a bit more than double the range of a single battery" to the above.

This DC-DC converter gives a CC/CV charge profile, just the same as a dedicated Li charger does.

Are they LED, or incandescent MR16s? Incandescent bulbs don't have a polarity. LEDs do, but since they are diodes, they simply won't work if the polarity is incorrect.

Cwah, it's not going to be economical to pay somebody else to repair your big pile of burnt out hub motors. You'd be better off selling them as a single lot on ebay for 'spares or repair'.

Hello and welcome from Westbury.

The same thought had crossed my mind previously. It's often the case in life that fear of something is more damaging than the actual danger.

Some of you might be interested in the following post about BionX on Endless Sphere by Justin Lemire-Elmore, both the owner of the forum and one of my favourite vendors, Grin Technologies (ebikes.ca). https://endless-sphere.com/forums/viewtopic.php?f=3&t=93078

Just to expand on what flecc said.... Storage temperature is not a problem, with as cold as -20C being okay. Usage temperature is very important though. Lithium batteries should be neither charged nor discharged when 0C or less. This refers to the battery temperature, not ambient. There's no...

Come on OP, how much are you looking for?