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Replacing an AGM with an EFB or conventional battery would be like using the wrong spare part. The battery life is shortened, and the performance of the Start-Stop and comfort functions of the vehicle are not guaranteed. Therefore, replace AGM only with AGM!
With an EFB battery you have two options: Either replace it with another EFB or install an AGM. The latter can increase the efficiency of the automatic Start-Stop system and result in a more efficient fuel consumption. Also, for well equipped vehicles with lots of electronic consumers an upgrade to an AGM battery may be worthwhile.
Upgrade to AGM for following benefits:
- Increased fuel efficiency
- Higher energy throughput
- Higher electrical performance
- More reliable starting in extreme conditions
Caution: the installation of an incorrect battery can be highly hazardous and can lead to very costly damage.
- Loss of warranty
- Failure of comfort functions
- Faults in the Start-Stop function
AGM and EFB batteries are obligatory for Start-Stop vehicles. But an upgrade can also be beneficial for vehicles with conventional batteries. For example, if you have many electronic consumers or if you want to benefit from a significantly longer service life.
Find the right battery for your car.