Top 13 Startups, developing energy-efficient batteries in UK
Mar 01, 2026
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1
Funding: $330.9M
Nexeon is an electronics company that develops and manufactures lithium-ion batteries to reduce carbon anode energy inefficiency.
Nexeon is an electronics company that develops and manufactures lithium-ion batteries to reduce carbon anode energy inefficiency.
2
Funding: $113.6M
Nyobolt is a developer of high-powered battery technology used to serve automotive applications.
Nyobolt is a developer of high-powered battery technology used to serve automotive applications.
3
Funding: $73M
Addionics is creating next-generation batteries for electric cars through intelligent 3D battery architecture and engineering.
Addionics is creating next-generation batteries for electric cars through intelligent 3D battery architecture and engineering.
4
Funding: $46.1M
Moixa is the UK’s leading smart battery company. We develop our Smart Battery hardware and GridShare software to facilitate smart energy storage and sharing.
Moixa is the UK’s leading smart battery company. We develop our Smart Battery hardware and GridShare software to facilitate smart energy storage and sharing.
5
Funding: $33M
Breathe Battery Technologies is a developer of electric vehicle battery charging control software for automotive manufacturers.
Breathe Battery Technologies is a developer of electric vehicle battery charging control software for automotive manufacturers.
6
Funding: £10.6M
Aceleron is an innovative advanced lithium battery developer aiming to accelerate the global shift to cleaner, more renewable energy and to empower people to benefit from sustainable battery technology.
Aceleron is an innovative advanced lithium battery developer aiming to accelerate the global shift to cleaner, more renewable energy and to empower people to benefit from sustainable battery technology.
7
Funding: £10.6M
Aceleron is using new battery technology to create the World's first recyclable, upgradeable and serviceable lithium-ion batteries to drive the global circular economy.
Aceleron is using new battery technology to create the World's first recyclable, upgradeable and serviceable lithium-ion batteries to drive the global circular economy.
8
Funding: $10.3M
Powervault has developed the UK’s most affordable and easiest to install home energy storage device, which can lower consumer electricity bills and provide emergency power to critical devices. The ‘emergency power socket’ enables customers to use their stored energy during black-outs. Founded by Joe Warren, the patent-pending product uses an integrated battery and control system to store the free electricity generated from solar panels during the day and then release the stored energy in the evening.
Powervault has developed the UK’s most affordable and easiest to install home energy storage device, which can lower consumer electricity bills and provide emergency power to critical devices. The ‘emergency power socket’ enables customers to use their stored energy during black-outs. Founded by Joe Warren, the patent-pending product uses an integrated battery and control system to store the free electricity generated from solar panels during the day and then release the stored energy in the evening.
9
Funding: £5.3M
Allotrope Energy is provides Lithium ion energy density with supercapacitor power.
Allotrope Energy is provides Lithium ion energy density with supercapacitor power.
10
Funding: £2.1M
enee.io designs and develops battery monitoring systems that makes both users and suppliers of renewable power systems more profitable. Using the latest IoT technology and data analytics we improve battery efficiency and can extend the battery life by up to 40%.
enee.io designs and develops battery monitoring systems that makes both users and suppliers of renewable power systems more profitable. Using the latest IoT technology and data analytics we improve battery efficiency and can extend the battery life by up to 40%.
11
Funding: $2.3M
BOLD is on a mission to make high-performance battery technology available at scale
BOLD is on a mission to make high-performance battery technology available at scale
12
RFC Power is a developer of flow battery systems. RFC Power are developing new classes of low-cost redox flow battery chemistry, leveraging concepts from fuel cells.
13
Hyonic has developed HBA1, a patented additive which super-charges lead-acid batteries. It eliminates the main causes of deterioration in battery performance over time extending the projected lifetime of a battery to more than 20 years, with a deeper charge cycle.
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