Diagnosing a slow charging session
A systematic checklist when the numbers disappoint.
You'll learn
- Explain diagnosing a slow charging session clearly and accurately
- Read the numbers that define the behaviour
- Apply the idea to a real charging session
Overview
Slow rapid charging almost always has one of six causes. Work through them in order rather than guessing.
In depth
Find the component
Spot the bottleneck
Match each symptom to its likely cause.
Find: High SOC taper
Key takeaways
Remember this
- Temperature and state of charge explain most slow sessions.
- Shared posts halve available power.
- Try a second post before blaming the car.
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