Spectre battery retains 99% capacity after 100,000 km
Rolls‑Royce Motor Cars reported on February 6 that a Spectre prototype retained 99% of its battery capacity after more than 100,000 kilometres of mixed driving and charging.
The company highlighted the outcome as evidence of battery durability and cited a standard 15‑year, unlimited‑mileage battery warranty plus secured cell supply beyond the 2050s.
Who is involved: Rolls‑Royce Motor Cars and its engineering test teams conducted the programme.
What happened: measured capacity loss was negligible after extended use.
Why it matters: the result reduces long‑term ownership risk, supports Spectre’s positioning as a lasting collector asset, and helps reassure buyers and dealers amid the marque’s broader electrification push.
Analysts say the durability data could influence total cost of ownership estimates and secondary‑market values, and may prompt other ultra‑luxury makers to emphasise long‑term battery support.
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