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Ok, I'll try! One quick question, by ground, you mean the black (negative) wire right? And I touch the multimeter to where it comes out of the battery?

Ahh, I was worried about that! I think that's gonna be a bit too much for me. I've spent the past week reading all about batteries, I don't come from any sort of electronic background, and all the reading I've done has kinda convinced me not to mess around with the insides of them! I'm gonna...

No joy i'm afraid. The charger connection on the battery reads 1.0v, the output connectors read about 2v, but when I take the fuse out the connectors for the fuse read 32v. When the charger is connected the output connectors read 42 volts. Do you think the BMS is broken? With my extremely...

Aha, ok. I'll leave it on overnight and test in the morning. Yep it is a 36v. I've just plugged it in to charge and one thing I notice is that the charger has a fan inside. When I plugged it in the fan came on for only about one second, I seem to remember it staying on throughout the charge...

Hey d8veh, I connected the two wires but no joy. Before taking the lock apart the voltage at the main battery connection read 2 volts. When I took the fuse out and read the voltage across there it read 32.5v Now that I've joined the wire, I'm surprised to see that the main connection still...

Brilliant news! Thanks again, hopefully I'll be back up and running by tomorrow then! :)

Thanks Kiwi, it'll take a while for that to arrive from the US though.

Thanks a lot for your reply. Great, that sounds promising. There isn't too much else to show of the system except the controller which is this one. Do you think that this will isolate the battery if I join the wires?

Hi there, My name's John, originally from Bristol but now living in Southern Sweden. I was just going to introduce myself here but I saw that some others were posting requests for help so I'll do so here also, hope that's OK as it'll kinda kill two birds with one stone. I run a mobile coffee...