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Ok now we have some more info, the Green light coming on means the BMS won't allow charging to occur. The green light also can mean the battery is fully charged but we know this is not the case with 36.2v so is is the former of the two. The reason for the Green light being on and the BMS...

The copper & NP is one single weld , it is harder to do copper on it's own so the NP facilitates the process. It is far simpler to have a one piece Buss then fiddly bits all over the place that look untidy, the NP H strip is one piece and both make for a neater job. The NP isn't be used for...

Finding lishui controllers is like find a neddle in a haystack.

Incompatibility as already mentioned , one has to match the controller and display as a pair . One can't mix and match differing brands and expect them to work.

36.2v appears ok, we will have to assume the battery is in balance and it is just acase that your charger connector isn't making a proper contact.

Stolen bikes one supsects like a lot of crime is very low on plods agenda.

41v to me seems awefully low for balancing Tony , do your BMS have a lower set balance in them or are they generic ? My Swizzbee has a LG BMS and it is programmed to balance at under 4.15v as that is the max the cells are charged to, even though the charger outputs 29.4v.

The charger type you need is the one in the link with a 5.5 x 2.1mm jack. 42V 2A Battery Charger For 36V Li-on Battery Electric Bike Ebike Scooters UK | eBay

Your charge jack is of a similar type dc 5.5x 2.1 , does the connector fit in properly and all the way , I suspect not. It is possible then that the jack isn't making a correct contact by not fitting in correctly, so the batterymay be ok. You haven't told us the SOC voltage of the battery as...

You buy one of those dc plugs I have mentioned that will push into the charger port, place your probes on the +/- and your meter will tell you if the polarity is correct. 99.99% of the time one would expect the polarity to be correct but it is always worth a check as the check is a simple...

If it is not marked then treat it as 250w as the 350w is tha same barring the market it is sold in. Get a trophy label made up and stick it on the hub. The numbers don't physically identify the hub wattage.

Generally yes but one should always check, the centre is + and the side negative. That side of the port is too easy to short out so one is best to insert an opposing charge connector in like the black and green screw types on sale at ebay then one can take polarity and voltages via the wire/...

I have used a few various hubs for my bikes whether local use or longer rides , in my earlier eapc use I mainly sought offroad distance rides in all sorts of places from bog , dust , rough, gnarly ,dry , trails ,fieds, bridles and any where between N& S Downs in my area inc the Downs. I did...

If that is the info from the ES testing done by Pajda, Docware and the likes then this is after 1000 static charge /discharge cycles. It is theorectical and doesn't take in to account normal user usage from day to day , year to year. It is though an indication of which cells may perform...

If it keeps you mobile and riding the style of bike matters not.

The 21700 cells are 5000mah so ony four in parallel so only 88mm wide with cell holders where as a 18650 cells in 5p will take up 96mm for 17.5mah .

As D8veh has said pics would have been best to start with. The face plate is face fixed via 6 screws, one has to remove all axle nuts on the ooposite side which often keep a seal washer in place and then if the motor isn't rusted due to water ingress should tap out ( with a block of wood and...

These food delivery guys are just chancers with no knowledge , one just has to see the chances they take on the highways (inc the pavements) . They don't have clue or care as long as they get there delivery done and earn the money. One suspects most of their diy jobs are done by word of mouth or...

One suspects there is a fault with the battery if a 36/42v charger doesn't allow charging. Looking at the range of the bikes they are nothing fancy and will just use generic china parts. Show us a pic of the charger port on the bike.

You can put as many amps/current thru a 250w hub as youlike if you know what you are doing and how to do it. Even Bafang swxk models can work with 30 -40a with out breaking, one just needs to add cooling .