Tata Sierra EV Battery Replacement Costs & Expenses 2026
Tata has recently launched the Sierra EV which is positioned between the Curvv EV and the flagship Harrier EV. It comes powered with a 63 kWh and a substantial 75 kWh battery pack integrated with AWD configurations. The replacement cost of Sierra EV’s batteries typically ranges between Rs 6 lakh to Rs 12 lakh.
Tata Sierra EV Battery Replacement Cost 2026
| Battery Pack | Range (Real-World) | Power | Replacement Cost |
| 63 kWh | 440-460 | 235 BHP | ₹6.0 - ₹8 Lakh |
| 75 kWh | 510-530 | 306 BHP | ₹9 - ₹12 Lakh |
NOTE: The estimated battery replacement cost of 2026 Sierra EV does not include labor costs as it depends on which state or city you are currently residing in. Although, these battery prices are not fixed and can be revised due to changing market conditions.
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Tata Sierra EV Battery Warranty
The Tata Sierra EV comes with a Lifetime High-Voltage (HV) battery warranty which is officially limited for maximum 15 years and unlimited kilometers. However, the lifetime warranty is exclusively restricted to the original registered first buyer, as standard commercial usage, fleets, and taxis are excluded.
Second Owner: If the vehicle is sold or transferred, the lifetime battery warranty is no longer valid as the coverage is limited to fixed 10 years or 2 lakh Km, from the first date of registration, whichever comes first.

Replacement Exclusions
| Factors | Exclusions |
| Degradation Threshold | As per Official Tata EV Lifetime Battery Warranty terms, a battery replacement is only possible if the State of Health (SoH) drops below 70% of its original capacity. |
| Accidental Damages | Impact Damage, Water Ingress, or external damage to battery shells is strictly excluded from warranty coverage. For buyers, there is add-on motor insurance, like a Battery Protect Cover, to provide protections against road debris or accidental damage. |
| Service Requirements | To keep the lifetime warranty intact, owners must strictly follow maintenance timelines prescribed by authorized Tata EV Service centers. |