How long does an EV battery last in India?

Most EV batteries last 8–15 years and 2–3 lakh km before dropping to 80% capacity. LFP packs last longer than NMC, and gentle charging plus moderate climate extend life further.

How much does it cost to replace an EV battery in India?

At roughly ₹8,000–10,000 per kWh, a 40 kWh pack costs about ₹3.5–4 lakh — but replacements are rare within the 8-year/1.6 lakh km warranty and prices keep falling.

Battery tool

EV battery life predictor & degradation calculator

See how long your EV battery will really last, how capacity fades year by year, and what a replacement might cost — from how you drive and charge.

Pick an EV (auto-fills battery)

Battery capacity 40 kWh

Real range on a charge 350 km

You drive 12000 km/year

Battery chemistry

LFP (long-life) NMC (higher energy)

DC fast-charging habit

Mostly home / slow Sometimes fast Mostly fast

Climate

Moderate Hot (40°C+ summers)

0 yrs

until battery reaches 80% health

—

Health at 8 yrs

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Est. pack replacement

How the prediction works

Battery ageing has two parts: cycle ageing (each full charge-discharge wears the cells a little) and calendar ageing (time itself, roughly 1% a year). We estimate your yearly charge cycles from how far you drive and your usable range, then apply chemistry, fast-charging and climate factors. LFP chemistry and gentle home charging in a moderate climate give the longest life.

Reality check: for most Indian drivers the battery outlasts their interest in the car. Packs are warrantied 8 years / 1.6 lakh km (usually to ≥70% health), and modern LFP cells often keep 80%+ well beyond a decade.

LFP vs NMC — which lasts longer?

LFP (lithium iron phosphate) tolerates far more cycles and daily 100% charging, making it ideal for high-usage and Indian heat — used in the Tata Nexon/Punch, MG Windsor and BYD. NMC packs a bit more range per kg but ages slightly faster and prefers 20–80% charging.