External Battery & Inverter Enclosures

Smart protection built for PAS 63100 alignment.

Our PAS 63100-aligned enclosures are engineered to protect your energy system and future-proof your home

  • PAS 63100 Aligned
  • Temperature Controlled
  • Secure & Durable
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Our Enclosures have been tested and are officially approved by the following UK manufacturers:

A better way to protect your home energy system

The Eco-ESS External Battery & Inverter Enclosure features thermostatically controlled heating, cooling, and ventilation, as well as weatherproof housing designed to safely store and protect your batteries and inverters outside of your home.

Our Battery & Inverter Enclosures are built for long term performance and total piece of mind.

Designed for modern homes

Built for all conditions

Engineered for safety

PAS 63100 ALIGNED

Setting the standard for safety

PAS 63100 is the UK standard for the installation of external battery energy storage systems.

Our enclosures are designed, tested and certified to align with these requirements – so you can be confident your system is safe, legal, and future-ready.

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We Don’t Just Supply. We Install, Relocate & Protect Your Energy System

From supply to installation, Eco-ESS offers a complete battery storage relocation service. We safely relocate existing batteries, inverters and associated equipment into our premium external enclosures, helping to improve protection, maximise space and create a cleaner, more secure installation. Our experienced team manages the entire process, giving you a simple, hassle-free solution backed by expert knowledge.

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Key Features

Weatherproof Construction

Built for outdoor use in UK conditions.

The IP55-rated enclosure protects against dust and water ingress for reliable long-term performance.

Controlled Ventilation & Cooling

Integrated thermostatically controlled ventilation and cooling

Supports battery performance and lifespan

Helps prevent overheating in PAS 63100 compliant setups

Secure Battery
Containment

Strong, lockable steel enclosure for maximum protection.

Prevents unauthorised access

Adds an extra layer of safety for installed systems

ATS Ready for
Future Upgrades

Prepared for system expansion.

Pre-drilled for Automatic Transfer Switch (ATS) installation

Enables simple future integration without modification.

Built for Permanent UK Outdoor Installation

  • IP-rated enclosure construction
  • Powder-coated steel or aluminium body
  • Corrosion-resistant finish
  • UV-stable external coating
  • Lockable, weather-sealed access doors
  • Structured cable entry plates
  • Ground anchoring provision

Ready to future-proof your home?

Speak to our team today to find the right Eco-ESS solution for your installation and enjoy complete confidence in the safety, security and performance of your battery and inverter.

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Frequently Asked Questions

PAS 63100 is a code of practice for installation. These enclosures are designed to support PAS 63100 compliant installations but are not independently certified under PAS 63100.

Outdoor enclosures can experience significant internal heat rise. Thermostatically controlled cooling reduces heat build-up and supports stable battery operation.

No. Cooling activates only when internal temperature exceeds pre-set thresholds.

Yes. Designed to house modern lithium-based solar and energy storage systems.

Specification Sheets* & Manual

*Engineering drawings are available upon request

Click to download

Standard AIO Slim 1000 Lite HA-Ultimate HA-Basic 19 inch C&I batteries cabinet Design registration cerificate
Installation manual