Knowledge Base
Knowledge Base
From degradation to diagnosis: our knowledge base answers all your questions about the State of Health (SOH), battery health and the residual value of your electric car. No technical jargon, just in-depth insight. For car dealers and consumers alike
From degradation to diagnosis: our knowledge base answers all your questions about the State of Health (SOH), battery health and the residual value of your electric car. No technical jargon, just in-depth insight. For car dealers and consumers alike
Frequently asked questions
What is a battery certificate and why do I need one?
A battery certificate is an independent report on the health (State of Health) of an electric car’s traction battery. The certificate shows, among other things, the remaining capacity, cell balance, and charging history. When buying or selling a used EV, this increases buyer confidence and leads to a higher residual value and faster sale.
Which vehicle models can be tested?
Do I need special technical knowledge to perform a battery test?
How long does it take to perform a diagnosis?
What does the SoH value (State of Health) mean?
Can the test equipment change or damage my car's settings?
What causes the battery of my electric car to deteriorate or degrade?
Can the battery certificate be used in legal disputes?
Which app should I download to take the test?
What exactly do I need before I can use the app?
Frequently asked questions
What is a battery certificate and why do I need one?
A battery certificate is an independent report on the health (State of Health) of an electric car’s traction battery. The certificate shows, among other things, the remaining capacity, cell balance, and charging history. When buying or selling a used EV, this increases buyer confidence and leads to a higher residual value and faster sale.
Which vehicle models can be tested?
Do I need special technical knowledge to perform a battery test?
How long does it take to perform a diagnosis?
What does the SoH value (State of Health) mean?
Can the test equipment change or damage my car's settings?
What causes the battery of my electric car to deteriorate or degrade?
Can the battery certificate be used in legal disputes?
Which app should I download to take the test?
What exactly do I need before I can use the app?
Check whether your car is supported
Select your make, model and version to see whether a TBE Battery Certificate is available for your car.