Mullen Launches Polymer Battery Pack Exchange Program
Mullen’s Power Boost is a pioneering battery exchange program enabling existing Class 1 EV cargo van customers the opportunity to upgrade their lithium-ion battery packs to solid-state polymer battery packs, increasing Class 1 vehicle range to over 200 miles

Mullen’s Class 1 EV cargo van will be equipped with the solid-state polymer battery pack in the second half of 2025.
Photo: Mullen
Mullen Automotive has announced a vehicle battery exchange program for current Class 1 EV cargo van customers. Existing customers who meet existing vehicle warranty requirements can upgrade their lithium-ion battery packs to solid-state polymer battery packs through Power Boost.
Mullen said upgrading lithium-ion battery packs to solid-state polymer battery packs will increase the Class 1 cargo van’s range to over 200 miles.
"We value the investment and confidence that our customers place in our vehicles," said David Michery, chairman and CEO of Mullen Automotive. "As we hit new milestones, we are committed to sharing our technological advancements with all our early adopters and this battery exchange program will allow customers the opportunity to upgrade to our solid-state pack."
Class 1 EV Cargo Van Tested Polymer Battery Pack
In February 2024, Mullen announced that it began Class 1 EV cargo van road testing with the integrated solid-state polymer battery pack. The company said recent progress includes identifying lead suppliers for development and components and issuing initial purchase orders for the new program.
Mullen One to Get Polymer Pack in the Second Half of 2025
The Mullen One, Class 1 EV cargo van equipped with the solid-state polymer pack is scheduled for production in the second half of 2025. The solid-state polymer battery pack is expected to extend the range of the Mullen One from 110 miles to over 200 miles.
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