Electric Vehicles: Batteries
The question
To ask the Secretary of State for Transport, pursuant to the Answer of 30 March 2026 to Question 123516, whether her Department plans to begin holding data on average or individual replacement battery costs for electric vehicles.
Answered by Keir Mather
The Department has no plans to collect and hold the data on average or individual replacement battery costs for EVs, but will closely monitor this issue through continued engagement with industry and consumer groups.
The Zero Emission Vehicle Mandate regulations require manufacturers to provide a warranty of 8 years or 100,000 miles on EV batteries. During the warranty period, if battery capacity drops below 70% for cars or 65% for vans, the manufacturer must provide a replacement battery. Additionally, eligibility for the Government’s Electric Car Grant requires manufacturers to offer customers a 2-year extension on the warranty to 10 years, ensuring vehicles and their batteries have long useable lives.
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