Simo
Member
Hi all
I have purchased a 2015 24kWh leaf with what appears to be set of bad cells in one module, although I have ordered a used replacement 30kWh battery for the car, I intend to use the 24 as solar storage connected to a Fronius inverter (using Dalas work).
I'd like to replace the module containing cells 29-32 (number 8?) but finding modules with similar SOH here in NZ is not that easy. The question I have is it better to use a higher or lower SOH replacement and how much deviation is sensible? The best I have found so far is 65% SOH to fit to my pack with 71ish.
Failing that, I will attempt to bring the weak cells up by charging that module separately once the pack is opened. It seems that is not a long term solution in a car but considering that the current draw when used as storage is less it might hold?
Have mercy
I have searched the forum to find the answers in other posts before posting this. TY!

I have purchased a 2015 24kWh leaf with what appears to be set of bad cells in one module, although I have ordered a used replacement 30kWh battery for the car, I intend to use the 24 as solar storage connected to a Fronius inverter (using Dalas work).
I'd like to replace the module containing cells 29-32 (number 8?) but finding modules with similar SOH here in NZ is not that easy. The question I have is it better to use a higher or lower SOH replacement and how much deviation is sensible? The best I have found so far is 65% SOH to fit to my pack with 71ish.
Failing that, I will attempt to bring the weak cells up by charging that module separately once the pack is opened. It seems that is not a long term solution in a car but considering that the current draw when used as storage is less it might hold?
Have mercy

