Battery Cells — MG Motor Majestor
Category: Electrical | Severity: high | Cost: ₹8,000–₹60,000
What is Battery Cells?
Battery cells are the fundamental units that store electrical energy in the vehicle battery pack.
How Battery Cells Works
Chemical reactions inside lithium-ion cells generate electrical energy which is supplied to vehicle systems.
Why is Battery Cells Important?
They determine overall battery capacity, range (in EV), and starting power (in ICE vehicles).
Common Problems
- Cell degradation
- Overheating
- Capacity loss
Symptoms
- Reduced range
- Slow engine crank
- Battery warning light
Causes of Failure
- Heat exposure
- Overcharging
- Aging
Impact on Car Performance
Weak cells can reduce battery performance by up to 40%.
DIY Fix Guide — Step by Step
- Check battery health via OBD
- Inspect for swelling
- Avoid deep discharge
- Replace battery pack if needed
Maintenance Tips
- Avoid extreme temperatures
- Use proper charger
- Regular diagnostics
Replacement Cost in India
Estimated range: ₹8,000 – ₹60,000
Where to Buy Online
When to Replace Battery Cells
When capacity drops below 70% or after 4–5 years.