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I was at one of the official services at Austria yesterday to make a complete diagnostic and software upgrade. The diagnostic said my Karma has 4 dead modules. The service said they can't replace modules, only the whole battery with all 15 modules. This is unbelievable for me.

Are there shops in Europe where I could buy modules for my Karma? Because there aren't ones in Hungary.

Is it true that battery module of Opel Ampera/Chevrolet Volt is compatible with the ones of Karma?

Also did anybody change modules/cells by not official service?

Thanks for your help!
 

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I was at one of the official services at Austria yesterday to make a complete diagnostic and software upgrade. The diagnostic said my Karma has 4 dead modules. The service said they can't replace modules, only the whole battery with all 15 modules. This is unbelievable for me.

Are there shops in Europe where I could buy modules for my Karma? Because there aren't ones in Hungary.

Is it true that battery module of Opel Ampera/Chevrolet Volt is compatible with the ones of Karma?

Also did anybody change modules/cells by not official service?

Thanks for your help!
PM FISKERPHILLY and HARLYGUY, they'll get you squared away
 

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Alex from Elite Motors OC just replaced three of mine
 

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Changing battery modules requires special factory training and special equipment. It's also expensive. And there's no guarantee that the remaining modules will not fail at some time in the future.

A123 had 3 manufacturing lines, one of which had prismatic cell alignment problems. This was discovered after the Consumer Reports test car completely shutdown due to multiple cell failures.

IMHO, replacing a couple of bad modules is worth the risk. But four going bad is a big red flag. You should think about getting a new battery.
 
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