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Your initial plan is very doable, the only downside is the weight. The DWG2X is optimised for 36V and an alternative solution.

Minivelo? This bike is converted with a DWG2XNC + 8-speed cassette, 10AH or 15AH 36V bag battery. Optional bottom bracket torque sensor. From middle of October. DWG2X: 135mm dropout, 45NM motor, 320RPM max. 36V 15A, 3.6kgs Shengyi DGWX2C/DGWX2S Heavy Duty Electric Bike Rear Hub Motor For City...

the DWG22C I sell runs already on 48V.

There isn't much you can change, so I would just continue with plan A.

BTW, to upload firmware you will need: 1) a USB dongle. Mine has STM32 chip in it. 2) a 4-pin programming connector on the controller. 3) the program to write the JYT file. It's not all straightforward if you are not OEM.

Jytjd.com I did put a link on post #15

Very nicely done

quote: The safety valve is standard for every 18650 battery and is the most important explosion protection barrier. When the internal pressure of the battery is too high, the top safety valve will open the exhaust decompression to avoid the explosion.

email info@aikema.com.cn Here is the info on the TSDZ2B Turbo and a bit on their thru axle hub motor and hub with internal TS.

Chinese factories build stuff for the whole world, from Apple iPhones to earbuds that you find in Poundland shops, so if you lump them together, then the quality is bound to be variable. The fault is in the consumers' quest for the cheapest kits and when they go t*ts up, blame the Chinese and...

it does not matter where the goods are kept, as long as the price advertised include the correct taxes. All the major platforms ebay, amazon, aliexpress, alibaba etc comply and mostly enforce payment of taxes. The gripe I have is with only a few companies such as PSWPower that blatantly claim...

we are eternally optimistic and just don't like to know the downside of our choices.

Batteries are very safe. I don't think you should worry about them, just follow manufacturers recommendations. There are more dangerous stuff around the house than bike batteries. The main reasons for fires are faulty wiring, poor quality cells and faulty chargers/BMS. Those causes are not...

Cardiff flat owner gets tax bills for 11,000 Chinese firms - BBC News should we avoid recommending suppliers who dodge VAT?

You didn't have to send back anything though. Plus, you don't need any support so it's perfectly OK for you to buy from a wholesaler. Still, they shouldn't underdeclare the value of the invoice to give themselves a price advantage. That is true not only to me but also to those selling on ebay...

I am too old to learn new skills like making YT videos! On top of this, I am rubbish at taking anything apart and putting them back. I always end up with a small pile of leftovers, screws, nuts, washers...

are you officially working for toseven or not? The impression I have is toseven is represented by HighVoltageKits.

It's the Tongsheng rep who sent me their new catalogue last month and asked me if I was interested. It should be on both Aikema and Tongsheng websites by now. I suspect the big Chinese wholesalers will advertise them very soon. Someone posted on this thread that it was previously known as the...

Aikema / Tongsheng have started to ship their TSDZ2B Turbo. It looks like the DM01/BBS02. I have ordered some stock and will get them here in October. The price is about the same as Bafang BBS02 but with torque sensor and optional throttle. I am not bothered about whether their Turbo can take...

easy to fit is in itself a nice quality to have. If people can't solder, is there any point to tell them to get their kits from the likes of PSWPower who are a wholesaler. The wires will inevitably be left too long and become a hazard, the motor does not have suitable RPM, battery made with...