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If one got two or three good years of use then very acceptable.

A pic of the woosh connector.

A two wire generic battery won't work as the controller and display are expecting to see more info/parameters from the battery. If the correct battery can't be used or one can't be bought then you will have to change the controller and display to another make, cost is approx. £80/£90 then you...

Your 30ah battery pack will take some 6 - 6.5hrs to charge fully from 48.5v which is approx. 60%, it may take 7 hrs to fully balance with a 2a charge. A full charge from empty will be 15hrs approx.

13s is 13 groups of cells in series to make 48v nominal. 36v is 10s , 24v is 7s. Each cell group is a 1s and 3.6/3.7v nominal , as one strings/connects more 1s cell groups together then the voltage increases. For 36v one connects ten 1s groups together for a nominal 36v battery to increase...

Should be more then ample 48v x 15a is 720watts of power with the nice low gearing no problem. If one can ride unpowered then some extra power is only an advantage and the Tongsheng is approx. 6 or 7X the power I can out put.

Nearly there now and ready soon for the big test. Once all done and dusted if you sell it at least all the charging and discharging will be simple for anyone else to follow. Good job.

54.6v is fully charged for 48v/13s. Those dc plugs with the screw feature makes voltage measuring so much easier at the charge plug.

If you want it on the lhs, tests it manually to see if works before fitting by reversing the magnet face.. Hold the sensor in the plain it is to be fixed and then pass the reversed magnet by it to see if the wheel rotates correctly.

The cavernous bags are a std fit on later bikes so yes I have them. I reckon I can fit 3 decent carrier bags of shopping in each one compared to normal panniers that can only take one bag each. I have a bakers tray that can sit on the rear deck to carry extra items and of course the 1m x 0.6m...

The Ute is a similar price to the Mundo, the Big dummy is another though is 1k dearer to buy.

Another myth that needs putting right is that spoke on hub motor wheels don't break if the hub is a good built one, any bad built hub will break spokes even for just road use.

For all exploring off road and general riding a rear hub will be fine in and is ideal , the mid drive has the advantage in aggressive off road use. If one is into jumping or fast downhill or rough riding then a hub is not the ideal motor. One has to pick the drive type to suit the riding style...

52 x 5000mah 21700 for approx. £127 is well cheap and is sub £ 2.44 per cell without taking in account the nickel, BMS, wiring, heat shrink etc ,etc. The cells if grade A, are likely China factory ones so performance and life cycle after 50 or 100 cycles would be worth noting. Pete are you...

I'm probably going to go down the 48v 250w route on a listed tdsz for my new cargo bike, went on a 402 mile round trip yesterday to pick up a little used immaculate 18 month old Kona Ute in a beautiful Burgundy colour. I have an option of using either a Bafang cst or a akm128c from one of my...

Where are you located EU or UK ?

To replace the cell pack it will cost you likely more then eu400. Have you got a mini spot welder, a power source, nickel strip, soldering iron, shrink wrap, polymide heat tape etc ,etc. One will need to weld the cells together correctly and solder on the BMS and the associate wiring...

Tbh, I can't though logic though says under the shrink wrap the supply wires are attached some how and soldering would be most likely.

That's a hub marking, not mid drive.

Buy stvzo rated ones and they will conform to light regs, one can buy some nice bright ones for about a £20each. I got my 100lux wired ones off aliexpress when they were cheaper.