About us

Constant Power Services

Since the late 80’s Constant Power Services Ltd has excelled in providing support to businesses seeking quality uninterruptible power supplies, installation, and aftercare.

We appreciate the complexities of a specification, the time constraints on finalising a project and understand that it can all change in a second, which is why we are the best support for you.

Constant Power Services offer a range of products from smaller 700va Uninterruptible Power Supplies to 6.4mva systems, containerised 252kw units for hire or purchase, generators, and switchgear. Our turnkey solutions are tailored to your requirements.

Working with our customers requires great communication, respect, and ownership of a task, a solution, or in some cases a problem to fix. This is something Constant Power Services prides itself on and that is why Support is integral to our business and communication, respect and ownership form our internal values, as they come so naturally to us. Some of our clients have been with us for over 16 years.

If you are looking for an uninterruptable power supply for a new building, inherited a UPS from a new acquisition or simply wanting to upgrade to a new system so that you can get the service and support you require, Constant Power Services is the just do certainty company for you.


Products

Battery Installation Services

Battery Installation Services

Looking for Battery Installation Services? We are here to help you!Constant Power Services are on hand to provide advice regarding Battery Installatio...

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Battery Measurement Service

Battery Measurement Service

For More info about Battery Measurement Service please contact us.We will provide guidance on the steps you should do to when it comes to investing an...

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Battery Recycle Services UK

Battery Recycle Services UK

Looking for Battery Recycle Services UK? We are here to help you!Whether you wish to discuss Battery Recycle Services UK, a service or health check to...

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Battery Removal Services UK

Battery Removal Services UK

Looking for Battery Removal Services UK? We are here to help you!Whether you wish to discuss Battery Removal Services UK, a service or health check to...

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Battery Replace Services UK

Battery Replace Services UK

Looking for Battery Replace Services UK? We are here to help you!Whether you wish to discuss Battery Replace Services UK, a service or health check to...

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Central Power Supply Systems

Central Power Supply Systems

We are a reputed company providing Central Power Supply Systems in the UK.Central Power Supply Systems (CPSS) are specific solutions designed to prote...

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Central Supply Systems

Central Supply Systems

The CSS (Central Supply System) range by Riello UPS is designed in compliance with standard EN 50171 and is therefore the ideal solution for installat...

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Communication card adapter

Communication card adapter

This adapter allows you to use the Riello UPS communication cards via an RS232 port. Is the optimal solution for use with legacy UPS without a slot or...

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Compact 1U Rackmount UPS

Compact 1U Rackmount UPS

We are one of the leading manufacturers and suppliers of Compact 1U Rackmount UPS in the UK.Vision Rack (VSR) is a compact 1U rackmount UPS perfect fo...

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CSS Multi Sentry

CSS Multi Sentry

CSS Multi Sentry Central Power Supply Systems (CPSS) are specific solutions designed to protect emergency, security and safety applications such as e...

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CSS Sentinel Tower

CSS Sentinel Tower

CSS Sentinel Tower The CSS Sentinel Tower by Riello UPS is designed in compliance with standard EN 50171 and is therefore the ideal solution for inst...

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CSS Sentryum

CSS Sentryum

CSS Sentryum The CSS Sentryum by Riello UPS is designed in compliance with standard EN 50171 and is therefore the ideal solution for installation in ...

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CSS Sentryum UPS

CSS Sentryum UPS

We are the reliable suppliers of CSS Sentryum UPS in the UK.The CSS Sentryum by Riello UPS is designed in compliance with standard EN 50171.Want more ...

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Doubly-Versatile Line-Interactive UPS

Doubly-Versatile Line-Interactive UPS

We are a highly reputable company supplying Doubly-Versatile Line-Interactive UPS in the UK.Vision Dual (VSD) is a doubly-versatile line-interactive ...

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Electrical Tests For Batteries

Electrical Tests For Batteries

For More info about Electrical Tests For Batteries please contact us.We will provide guidance on the steps you should do to when it comes to investing...

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Emergency Repair Services For Riello Equipment

Emergency Repair Services For Riello Equipment

Are you looking for Emergency Repair Services For Riello Equipment? You have come to the right place!In an emergency situation, when you have lost pow...

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Environmental sensors

Environmental sensors

The Netman environmental sensors monitor and record environmental conditions as well as activities in protected areas and at the premises where the UP...

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Environmental Testing For Batteries

Environmental Testing For Batteries

For More info about Environmental Testing For Batteries please contact us.We will provide guidance on the steps you should do to when it comes to inve...

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Essential Service Package

Essential Service Package

Essential Service PackageThis package is essential to those who have a UPS less than 12 months old and within the warranty period. Offering 1 service ...

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Experienced Technicians For Site Surveying

Experienced Technicians For Site Surveying

We are the market-leading providers of Experienced Technicians For Site Surveying in the UK.A site survey is a perfect way to have a second check on t...

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Factory Witness Testing Services

Factory Witness Testing Services

We are the market-leading providers of Factory Witness Testing Services in the UK.Factory Witness Testing Services - With test facilities at our manuf...

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First Class Service Technicians

First Class Service Technicians

Are you looking for First Class Service Technicians? You have come to the right place!Constant Power Services provides First Class Service Technicians...

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Freestanding Line-Interactive UPS

Freestanding Line-Interactive UPS

Are you looking for Freestanding Line-Interactive UPS? You have come to the right place!We are one of the leading companies providing Freestanding Lin...

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Generator supply and maintenance

Generator supply and maintenance

From telecommunications, to transportation and medical applications, UPS battery power can keep your business operating during short-term power outage...

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Generators

Generators

Generators Generators provide a standby power solution that can be called upon instantly to keep you up and running at the most critical times. Givi...

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HealthCheck Service For Riello UPS

HealthCheck Service For Riello UPS

We are the market-leading providers of HealthCheck Service For Riello UPS in the UK.Constant Power Services provide a HealthCheck Service For Riello U...

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High Quality Master HE UPS

High Quality Master HE UPS

Check out our High Quality Master HE UPS!Master HE (MHE) combines maximum protection with exceptional efficiency in mission-critical applications such...

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iDialog Rack

iDialog Rack

iDialog Rack Maximum reliability in the protection of Voip systems. The iDialog Rack range is the ideal solution for protecting PCs and peripherals i...

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iDialog Rack Range

iDialog Rack Range

iDialog Rack RangeThe iDialog Rack range is the ideal solution for the protection of peripherals in the home and in office environments. iDialog is an...

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iDialog Rack UPS

iDialog Rack UPS

The iDialog Rack range is the ideal solution for the protection of peripherals in the home and in office environments.

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30 of 197 Products

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Documents

Service And Maintenance Brochure

Service And Maintenance Brochure

Catalogue

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Software and Accessories

Software and Accessories

Catalogue

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Master-MPS-HR

Master-MPS-HR

Catalogue

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Multi-Guard-Industrial-HR

Multi-Guard-Industrial-HR

Catalogue

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Multi-Power

Multi-Power

Catalogue

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Sentinel-Dual-1-3-kVA

Sentinel-Dual-1-3-kVA

Catalogue

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Sentinel-Dual-High-Power

Sentinel-Dual-High-Power

Catalogue

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Master-HE

Master-HE

Catalogue

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Multi-Sentry-10-20-kVA-HR

Multi-Sentry-10-20-kVA-HR

Catalogue

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Sentinel-Pro

Sentinel-Pro

Catalogue

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CPS catalogue LR-5

CPS catalogue LR-5

Catalogue

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Sentinel-Dual-5-10-kVA

Sentinel-Dual-5-10-kVA

Catalogue

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Central-Supply-SystemsHR

Central-Supply-SystemsHR

Catalogue

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General Catalogue

General Catalogue

Catalogue

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Master-HP

Master-HP

Catalogue

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Master-HP-UL

Master-HP-UL

Catalogue

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18 Documents

Videos

A short video highlighting the services Constant Power Services can offer along with the accreditations, recommendations and our companies values.

Social Media

Contact Us

Constant Power Services

  • Riello House
  • Works Road
  • Letchworth, Stevenage
  • Hertfordshire
  • SG6 1AZ

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