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Hi all, a quick update, it was the display that was faulty, i tried ny friends display and it lit all battery segments up, so new display ordered thanks for the help

Ok thank you, back to drawing board

Hi saneagle, i have looked at my controller and it says maximum current 13amp, i have created a 10amh ( 10s 4p. 3.6V 2500mah) battery is this ok or is this the problem i'm having many thanks

Hiya Saneagle, yeah i did that and noticed it flashed and faded away, but when connected again, it is still the same, after my son had been riding it last night, with the 1 flashing light, i measured the voltage and it was 41.2V, this is nominal i think, thanks for your help

my son has had the bike out today, he was riding up and down my estate for a good half hour or so approx 3-4 miles and the motor was still pulling like a train as it was when he first got on it, the flashing single light was still the same when he decided to stop and bring it in ??

Hi saneagle, i don't know how the display would be set to 48V as it has always been a 36V bike unle3ss it can default to 48v when the bike has been stood for a while ? cheers

i expect you mean, whats on the back of it ?? i cannot see anything on the back of the display as it is fixed too close to the handlebars cheers

Thing is, it is flashing but 42.1V at the battery, when i originally connected the battery for the first time all 3 lights lit up, but then the next time i switched it on it went from 3 then 2 then 1 in quite a short time and now when i connect it, 3 lights flash then straight to 1

Thanks for all the info, i would test the bike myself but i had a full replacement knee 3 weeks ago, so quite limited movement at the moment, but i will get my son to take it out later and see how long the battery lasts, as it is the display says 1 flashing light which means its very low many thanks

Ahh Thank you for clarifying that, when i purchased these cells i told her that it was for e-bike battery

Hiya, it was 40.5v but after charging the battery was reading 42.2v, The cells are rated C. I used a spot welder to weld the cells, 6 spots on each cell, using pure nickel 0.15 x 8mm strips This is what i used

Yeah thats weird as mine are defo blue, what is the difference between INR 18650 and ICR 18650 ?? and mine are 2.55ah

That's kind of you but i'm down in cornwall. I don't know if i have been scammed but the batteries have EVE on them, albeit covered with another label. I bought a couple of range extenders from them also, so i will see what they are like when they turn up, just thought it was weird that im still...

Hi I thought i would try something and connected the battery to the bike and powered it on, with the single flashing power light i tested the battery with my multi meter to see if there was a voltage drop, as i used a battery bag to mount the battery and still had access to the cells, but there...

This was their representative that i spoke to

Saneagle, i don't understand what you mean, i have posted the link to where i bought the batteries, it was from Alibaba

Hiya, thanks for your help, i did not know what Saneagle was asking for, The make which was EVE and the 2500mah, 3.7 V. The company is a big company in china and been verified for 16 years https://x.alibaba.com/xOLXPHn?ck=minisite hope this helps Thank you

3.7v 2500mah 3C, 18650 cell, purchased from china

Hiya, i'm not trying to be funny, They are called EVE 2500mah 18650 cells, sorry for any stupid remarks cheers

Thanks, but what details are needed, i am using EVE 2500mah cells with a discharge rate of 3C, i created a 10s 4p battery, with a 10 cell 30amp BMS, i am getting 40.5 volts at the connection to the bike, but the controls on the handlebar showed 3 dots (full) then after a few minutes went to 2...