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As the UK moves towards net zero, demand for battery storage solutions has grown rapidly. Lithium-ion batteries are now at the heart of everyday life – powering mobile phones, cordless tools, electric vehicles (EVs), and large-scale battery energy storage systems (BESS) that balance renewable energy on the grid.

However, the same high energy density that makes lithium-ion batteries so useful also makes them hazardous if stored incorrectly. Risks include fire, explosion, and the release of toxic gases. In recent years, high-profile incidents have highlighted the importance of managing these risks effectively.

At S Jones Containers, we provide customised shipping container conversions for safe lithium-ion battery storage. Our solutions are engineered to reduce risks, protect staff and assets, and help businesses meet their legal duties under UK health, safety, and fire regulations.

The Challenge: Battery Storage Without Clear Regulation

Unlike other hazardous substances, there is currently no single piece of UK legislation that sets out how lithium-ion batteries must be stored. This lack of a dedicated “battery storage law” creates uncertainty.

Instead, businesses must manage battery risks under a combination of existing regulatory frameworks, including:

  • Health and Safety at Work Act 1974 – employers must safeguard employees and others from foreseeable risks.
  • Dangerous Substances and Explosive Atmospheres Regulations (DSEAR) 2002 – requires risk assessment and control of fire/explosion hazards from flammable gases or substances.
  • Fire Safety (Regulatory Reform) Order 2005 – duty to assess and mitigate fire risks in all business premises.
  • Environmental Protection Act 1990 & Waste Batteries Regulations 2009 – covers safe storage of waste or end-of-life batteries.

What this means in practice: businesses are legally required to assess the risks of battery storage and take reasonable precautions. Failing to do so could lead to breaches of fire safety, health and safety, or environmental laws.

Why Safe Lithium-Ion Battery Storage Matters

Lithium-ion batteries can experience “thermal runaway” – an internal short circuit that rapidly releases heat, potentially causing fire or explosion. If stored in unsuitable conditions, the risks increase dramatically. Consequences include:

  • Fire and explosion damage to property and equipment
  • Risk to human life from fire, smoke, or toxic fumes
  • Environmental contamination from leaking chemicals
  • Business disruption and financial loss
  • Potential enforcement action under H&S, DSEAR, or fire safety regulations

Safe, controlled storage is therefore both a legal duty and a business-critical safeguard.

Key Features of Our Battery Storage Containers

Our specialist battery storage units are designed to support businesses in meeting these duties by providing a controlled, compliant storage environment. Features include:

  • ATEX-rated electrical systems for intrinsically safe installations
  • Early warning monitoring to detect heat, gas, or failure risk before critical events
  • Explosion venting and overpressure protection to mitigate emergencies
  • Fire-resistant steel construction to contain and reduce fire spread
  • Secondary containment systems to capture leaks or contaminated run-off
  • Ventilation and temperature regulation to prevent overheating
  • Protection from impact and weather to safeguard batteries in all conditions
  • Remote siting capability, allowing storage away from occupied buildings

By combining these measures, our containers provide a safe and practical solution for businesses handling batteries.

Why Use a Converted Shipping Container?

Converted shipping containers are an ideal platform for battery storage. They are robust, modular, and easily customised to meet specific safety requirements. Advantages include:

  • Durability: Steel construction provides fire and impact resistance.
  • Sunlight protection: Original container design eliminates direct sunlight exposure.
  • Flexibility: Available in 10ft, 20ft, and 40ft sizes to suit capacity and site layout.
  • Customisation: Add fire suppression, HVAC, sensors, alarms, or remote monitoring.
  • Portability: Units can be relocated or stacked, making them space-efficient and scalable.

This flexibility makes containerised storage an attractive option for industries with evolving requirements.

Who Needs Battery Storage Containers?

Our battery storage solutions are trusted by a wide range of industries, including:

  • Renewable energy providers storing grid-scale battery systems
  • EV charging infrastructure operators managing large banks of lithium-ion cells
  • Manufacturers using or testing battery-powered equipment
  • R&D facilities working with prototype batteries
  • Logistics companies storing or transporting lithium-ion shipments

In each case, the priority is the same: mitigating risks, ensuring compliance, and protecting people, property, and the environment.

Speak to Our Experts Today

If your business handles or stores lithium-ion batteries, safe storage is not optional. While the UK lacks a single “battery storage law,” businesses are still legally required to manage the risks under existing health, safety, fire, and environmental regulations.

Our team of specialists can help you design and implement a compliant, future-proof battery storage solution tailored to your needs.

Contact S Jones Containers today to discuss your requirements and discover how our battery storage containers can help keep your people, property, and reputation safe.


S Jones Containers Ltd

Anglian Road,
Aldridge, Walsall,
West Midlands,
WS9 8ET

Company Reg Number: 3747019
VAT Number: 729700231

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