Been using my 4S 271Ah system for about two months now, it's installed on the boat that I live on. I have a JBD BMS.
Recently I've noticed that when drawing a next load the balance is no longer good- up to 0.2v. I cleaned up some contacts which helped a bit but still not happy.
I was watching the system when it reached full charge today, cell 3 was a bit below the others so I think that's where the problem lies. The JBD doesn't seem to be able to do any balancing, possibly I've got the HVD set too low to allow that?
I guess I should take the pack out of use and do a top balance. Only problem is I don't currently have a PSU, I managed to fry it when I was charging another battery and mixed up the polarity ?
Other than generating heat, will I be damaging the peck continuing to use it like this? It seems happy enough at low discharge rates, and returns to 0.01v balance fairly quickly even after going out of balance under load.
Recently I've noticed that when drawing a next load the balance is no longer good- up to 0.2v. I cleaned up some contacts which helped a bit but still not happy.
I was watching the system when it reached full charge today, cell 3 was a bit below the others so I think that's where the problem lies. The JBD doesn't seem to be able to do any balancing, possibly I've got the HVD set too low to allow that?
I guess I should take the pack out of use and do a top balance. Only problem is I don't currently have a PSU, I managed to fry it when I was charging another battery and mixed up the polarity ?
Other than generating heat, will I be damaging the peck continuing to use it like this? It seems happy enough at low discharge rates, and returns to 0.01v balance fairly quickly even after going out of balance under load.