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thanks bonzo i totally missed those when i had a look on ali express.looks right my ones are 36 teeth on the big gear wheel,yes theres no longer any markings on the motor.cheers

Hi i have an old ebike given to me,my wifes used for many years.despite doing nothing different it suddenly stopped working,stuttering and stopping. i immediately suspected the gears in the motor or hall sensors. the halls are fine,all reading 5v 0v alternately and 2.5v on back spinning the...

hi nealh. the battery will never be great if you remember the saga you helped me with a cpl years back. certainly i found i could adjust the charger to charge to a lower top voltage which helped stop the lower groups to stay close to those that could charge more fully if allowed. ive decided...

thanks wheezyrider and nealh will get onto it with your instructions over next few days.batt def not charging without those wires

thanks nealh.so those balancing wires i need to repair. and wish id only snipped the 4 damaged ones ,going to be a real her working out which goes on what solder spot.are just that balancing and not what actually delivers the current to the cells during charging then. so i can at least charge...

to be honest all that happened was the battery started to have reduced range and not fully reaching 58.8v. after advice here i checked the cell voltages at the bms. 6 of the 14 were down. advised how to manually balance these with a mobile charger fitted with two pins. this worked ,brought them...

thanks woosh,ive given up on the idea,way too complicated and more expensive for those spot welders than i imagined thought they were less than 50 quid ones ive seen for battery packs. was quoted 400 quid for a repair a year ago by a local battery center. cld buy a new one for that tho.

thanks mate im throwing in the towel after everything ive read. obviously not as easy as the teckie nerd teenager on a utube vid i saw years ago , made it seem. job lot of used laptop batteries transformed into a huge ebike battery wizzing around at 40mph

quite correct nealh prob not something others have any input to give. much thanks for all the time you spent on giving me such an informative reply. im going to pass on the idea after reading everything that you and other members have posted. SIGH 450 quid for a years use,euphoria to despair...

thanks for the advice mate you and all the others have convinced me to not even try.

Hi,sorry this may be long. ive moved this from the technical discussion forum, because it seems invisible to the main contributers who have helped me so much in the past.for which many thanks again. So this is further to a thread i posted back in feb 2020 battery needs repair.Havent used the...

hi stuart. Obviously i wasnt going to attempt anything without some full guides on how to build batteries hence i used the title beginner need advice.just wanted some explanation of things that puzzeled me.as i thought it would be 5 sets of 14 cells.then those 5 sets connected. i imagine groups...

Hi,sorry this may be long. So this is further to a thread i posted back in feb 2020 battery needs repair.Havent used the bike for over a year because of the failing battery. Basically 3 an half years ago i got a bbshd kit and 52v batt from electron cycles.They advertised their samsung 30Q...

how do u mean soundwave.i have the programming cable.but i thought you couldnt raise the factory controller above 30 amps....lol the missus knackered bikes 36v batt connected in series with my bbs01 s 2nd 36v thats in parallel, now that wld be something ,a bbshd with a 72v batt power. the...

wow over two years ago this saga with my bbshd. it destroyed my interest in electric bikes,that 450 quid down the drain.cant afford a new battery ,its just sat in the shed for two years. even the reliable bbs01 hasnt been out in two years either.this experience plunged me into such a downer on e...

well i hope so flecc. i came across this on Talkradio. Several of the presenters were the creators of one of the petitions and are spending a lot of time making their argument sound very persuasive to non cycalists like them.

the point being complacency amongst the effected party i was making

Havent been on here for a while but came for a look to see whats being said about these new petitions. Maybe ive looked in the wrong place but i cant find anything. Cyclists electric and not need to take these seriously. Its the old tax insurance number plate stuff again,even for the non...

Lol....An i must have done 70 recharges easy. ordered some anderson connectors.so i can insert my watt/volt etc meter into the circuit. not chopping off the andersons the battery/motor came fitted with. ive got one of these ive been using as a display on my wifes old bike.