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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?

Another reason wireless charging is a bad idea is that it's horribly inefficient. Even a well designed induction charging solution is an order of magnitude more inefficient than wired charging and that's forgetting many of the issues raised above.

A really bad idea unless you can achieve an even weight distribution. Been there and done that with a pack half the size and it turned a great bike into an awful one.

I've nothing against big batteries (I sometimes carry 44V/62Ah, multiple packs) but that thing weighs in at 10.9kg. Unless you're able to mount it centrally in the frame triangle, forget it.

I feel for you, I really do. I've been self-employed in one way or another for the last decade and can relate to your experiences. In the UK, more than anywhere else, do people know the cost of everything and the value of nothing!

Thanks for your input. I've been aware of the existence of CycleTech since I started looking into the idea. My objection to operating under such a model is that not having your own branding is restrictive in the long-term. Unless I've misunderstood, their (my) customers would deal with...

My income is currently derived from a number of revenue streams, so another albeit inconsistent source of business could work for me. What I have discovered so far, is that it's more profitable to sell parts than fit them. It seems that the majority of people don't attribute much value to...

They're not just buying parts, they're buying parts & labour. A £150 retail bike likely contains parts resembling the quality of KitKat foil. If they want to source a £10 part from China, wait weeks for it to arrive and fit it themselves, they are free to do so. Expecting somebody else to do it...