At 4SB, we are making a small, attachable, swappable electric vehicle battery

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We want to ensure urban drivers can still own cars

4SB has been designed to solve charging issues in built-up and busy areas

TECHNOLOGY

The 4SB battery will connect directly to a wide range of main electric vehicle batteries and depleted units can be replaced at a swap station in under 2 minutes, adding 90 miles of range.

Accessible and significantly faster than plug-in charging
Equipped with protective plating and an all-weather seal

An infographic showcasing how the 4SB battery attaches to an electric vehicle

Watch our vision

IMPACT

The potential impacts of the 4SB battery are powerful, far-reaching and transformative.

For drivers

For fuel stations

For car companies

67%

of low- or middle- income people would be “open” or “slightly open” to the idea of swappable batteries*

74%

of people would use swappable batteries if a high battery capacity was guaranteed*

* FROM OUR SURVEYING

ABOUT

The team at 4SB want to keep the freedom that driving allows, while supporting emission-free travel.

We are proud to be working with, and be backed by, a strong support group.

Our next objective is to prove our prototype products in a test environment. Think you can help, or interested in joining our team?

hello@4sbmobility.co.uk