Question 1

How much does it cost to replace a BYD eMAX 7 battery in India?

Accepted Answer

Approximately ₹9–11 lakh for the 55.4 kWh Premium pack and ₹11–13.5 lakh for the 71.8 kWh Superior pack. BYD India has not publicly published a customer-facing replacement-pack price, and the final installed bill can be higher after applicable taxes, labour, diagnostics and logistics.

Question 2

How long does the battery in a BYD eMAX 7 last?

Accepted Answer

The eMAX 7's LFP Blade Battery is covered by an 8-year/1,60,000 km warranty. Real-world longevity beyond that depends on usage and charging conditions, and India-specific long-term degradation data for the eMAX 7 remains limited at this stage.

Question 3

Can you replace a single dead cell module in a BYD eMAX 7 battery?

Accepted Answer

The Blade Battery's cell-to-pack architecture can make conventional module-level repair more constrained than on some modular designs. Whether a targeted repair is possible depends on the exact fault — a proper diagnosis is essential, and full-pack replacement should not be assumed automatically.

Question 4

Is the BYD eMAX 7 battery warranty transferable to a second buyer in India?

Accepted Answer

The eMAX 7 traction battery is covered for 8 years/1,60,000 km, whichever comes first. Before buying a used eMAX 7, the buyer should ask an authorised BYD dealer to verify the remaining battery warranty against the vehicle's VIN and the applicable warranty terms. Do not assume transferability without written confirmation.

Question 5

What is the difference in battery replacement cost between the 55.4 kWh and 71.8 kWh eMAX 7?

Accepted Answer

The larger 71.8 kWh Superior pack carries a higher estimated battery-pack price (₹11–13.5 lakh) than the 55.4 kWh Premium (₹9–11 lakh). This isn't a simple linear ₹/kWh calculation — pack architecture, components, sourcing and logistics also factor into the estimate and the eventual dealer quotation.

BYD eMAX 7 battery

BYD eMAX 7 Battery Replacement Cost: Could It Reach ₹13.5 Lakh?

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