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I don't understand what you are looking for. Is Aijiu Power willing to build a battery with a BMS that they don't carry or sell? How could they offer a warranty?

Most chargers do not have a lot of intelligence. The battery management system (BMS) is built into the battery. The BMS should try to balance the cells if you leave the battery on the charger for an extended period of time. I am not sure why you would need to do that for three charges in a row...

He knows. He mentioned it in a previous post. Day 6 has 750W Bafang mid-motor kit listed on their website (probably BBS02). However, they want double what you can buy the kit for elsewhere. It is not clear that the kit includes any Day 6 specific mounting hardware. It doesn't look like it from...

The big surprise for me was that Greg Lemond is a cheater that rides an ebike. 😄

A dual port BMS has a separate charging port from the battery load port. A single port uses a common port for load and charging. There is a good explanation of the problem here: https://www.avdweb.nl/solar-bike/electronics/bms

Battery obsession is a modern day problem and not just with bikes. Personally, I try not to leave it at 100% over night, but I do charge it up to 100% before a longer ride as @6zfshdb suggested. I have left it at 100% overnight occasionally though. If that means that I get 5% less battery...

The term granny gear was originally an automotive term that referred to a very low gear on trucks with a manual transmission before cyclists stole the term.

Do you need the motor assist on flats to walk it? Won't it roll okay without that?

Luna sells them also. EM3EV is a reputable dealer that is best known for their high quality batteries. They are based in China, but owned by a British expat. https://lunacycle.com/shimano-m355-hydraulic-disc-brakes/

If you are going to store your bike for an extended period of time, you ideally want to leave it with between a 50-80% charge on the battery. The Allant uses quality batteries and the fire risk is low and mostly while it is being charged. However, if you want to be extra safe, you can store...

Shimano makes a hydraulic ebike lever with a built in cutoff switch. https://em3ev.com/shop/shimano-m355-hydraulic-brake-levers-ebrake-sensor/

I agree with rich c . Going from 180mm rotors to 203mm rotors will increase your stopping power by about 12%.

I like to pedal at a fairly high RPM of around 90. You can use a gear calculator to determine what speed you will get in each gear at a particular RPM. I don't know what RPM you are comfortable with, maybe 80? Change the Gear Units on the calculator below to MPH @ 80 RPM and enter your...

Depending on the bike, you might be able to use Grin's Ligo stacking batteries that are designed to be able to be taken on a plane. A Grin kit on a Brompton folding bike would be ideal for traveling by air. They sell a travel case for checking a Brompton as luggage, but you would have to carry...

Could BMW sell the concept of a speed limiter in their cars based on the cars location to their customers? I think it is a bad idea and wouldn't buy one. This is not to mention the slippery slope of the possibility of your bike tracking your movements storing it in a black box.

The controller is built into the BBSHD. Luna sells replacements for the BBSHD controllers.

One with a Bosch motor might be hard to find. There are plenty with a Bafang Ultra motor. WW Hydra, Biktrix Juggernaut FS, Luna Cycle Apollo, Frey AM1000, etc

I am not familiar with that bike. Most throttles use hall effect sensors, but not all of them. There are usually three pins (ground, +5V, and signal), but sometimes the throttle has other functions such as a battery level display or a cutoff switch and there are more pins on the connector. Even...

If you google "bicycle fender bridge" you will find some that might work. You could also make one with a coat hanger.

It would cost them more to pay their accountant to create an invoice to bill you and process the payment than the actual cost of the electricity. Common sense isn't very common any more.