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Oh bloody hell no wonder now I can see where Im going wrong. ok can now see the idea of a needle ok sorry will try again. But still a bit confused in the order I can do 1st lot ok black to black wire then red to 1st yellow next to it, But its after that Ive just done #1 ok it says 4.26v...

Im getting a bit confused here as you put For #2 simply move the needle from Black pin to the first Red one and take a reading. (Black probe on Yel and Red probe on Red) its like black pin to 1st red, but in brackets you say black probe on yel red on red

I need stronger glasses lol. as black pin is under that lug same at other end another yellow so 14 including black lol. Now I have just carefully placed black probe on black pin. red probe on pin next to it. meter at 20V DC and no reading at all. Not tried other pins yet.

Oh I am with you now as a needle with be much thinner than meter probs. Just need to remember which pins I have checked so may just very carefully write in black pen on connecter pins or white plug is this right as I just counted 12 pins including that 1st black one. so actually Im only...

Hi Nealh Ok I am with you so far but where do I get these >>>>> You will need two needles/pins or some pcb strip pins. are you on about sowing needle and pins. so the pins I check is what that JST plug was plugged into. I can remember doing this on that old battery I had on moped. but...

Well I won’t have a clue where the balance cable is. And about testing cell bank voltages I did do one on the original battery. But can’t remember how I did it now. But can’t remember disconnecting any cables. I know it’s very hard to check all the pins as so close together. And meter probes...

Ok I have now managed to cut off top of battery the shrinkwrap. and its encased in a plastic box it seems I do believe this is the BMS arrowed is there any way I can lift that out with out sparking anything. I think I can but just need to know if you can say disable the battery while doing...

Well I never knew all this, But I suppose if you have been doing this for a good while you should know much more than my friend. I never took much notice of him really anyway, as he thinks he knows but he don't I know more than him. But let him think he is better LOL. I'm hoping it will just...

Hi I would rather trust you than this friend, and yes he dont know bugger all. he thinks he does. But I just wanted to know more on these batteries. Im not very good myself at all this. But Im taking notice of you not my friend. its no good me trying to explain to him either. as he has never...

Im a bit confused now about battery, as I was telling a friend about the battery wont charge up. and when I told him, its at 49.7V he said its because its full thats why, as its a 48v battery and you say its now at 49.7 well its over 48v then. so can you explain why it has to say 54.6v or 54v...

Yeah I will as I expect wires there etc so will make a small cut 1st then use something plastic to lift away as I cut

Wow that’s good

When I get time I will remove the blue shrink wrap from battery and then get back here for help. But Im a bit busy with other things so I will let you know when it’s ready

You maybe thinking when I had an electric bike which I sold now. As I also bought a lithium battery from same place No I paid about £170 or near as for this battery. I will try to find out as it came from AliExpress site it’s only 9 months old but can’t see the seller doing anything about...

Ya having a laugh no way will I be keeping it. As had a good 5 months at repairing it. But learnt loads from here Nealh and Matthewskack have been great in helping. Just hope getting battery sorted which Honestly never expected to have to check. But at least if it’s not gonna cost too much well...

Well £30 isn’t bad for a BMS and like u said if it’s a cell bank well that’s it. I think if I can get battery going at least I’ve tried plus all a learning curve I’m no hurry anyway plus I would be able to sell for more than spares or repair But would need to remove shrink wrap 1st can you...

Well I am seriously thinking about checking inside battery as if it could be repaired say like it needs a BMS are they expensive As all I have done to this moped seems a shame now to sell for spares or repair plus I would at least have a good working moped to sell I have tested a BMS well back...

What’s this web site as can’t see any 48v batteries

looks a handy tool ok if you know what you doing, and is it worth it. ok if you doing loads of batteries.

what does this do then as wont have thought it would recover mine LOL. it looks just like a normal charger https://starkdrive.bike/accessories/0v-recovery-charger/