Onboard Charger — Audi Q8 Sportback e-tron
Category: Engine | Severity: high | Cost: ₹80,000–₹2,50,000
What is Onboard Charger?
Converts AC power from charging stations into DC power to charge the battery.
How Onboard Charger Works
Takes AC input and rectifies it into DC while controlling charging rate.
Why is Onboard Charger Important?
Critical for charging the EV from home or public AC chargers.
Common Problems
- Slow charging
- Charging failure
- Overheating
Symptoms
- Charging interruption
- Error messages
- Extended charging time
Causes of Failure
- Electrical faults
- Thermal issues
Impact on Car Performance
Directly affects charging speed and usability.
DIY Fix Guide — Step by Step
- Check charger connection
- Restart charging session
- Inspect cables
- Check error codes
- Visit service center
Maintenance Tips
- Use certified chargers
- Avoid overheating
Replacement Cost in India
Estimated range: ₹80,000 – ₹2,50,000
Where to Buy Online
When to Replace Onboard Charger
When charging consistently fails or becomes unreliable.