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Critical Power Supplies - Maintaining a rack

Do you need help installing?
We can help you.

We provide a range of on-site services whether your project is for a single UPS and Generator or remote monitoring across multiple sites.

Critical Power Supplies - Project Planning

Get a head start with our FREE
Project Management Consultation.

Why not use our project management services to help you have a smooth and pain free project.

Critical Power Supplies - Datacentre Banner

Trade-In your UPS with us

Trade-in your old UPS for a same or higher spec model*

Critical Power Supplies - Maintaining a rack

Do you need help installing?
We can help you.

We provide a range of on-site services whether your project is for a single UPS and Generator or remote monitoring across multiple sites.

Critical Power Supplies - Project Management and Planning

Get a head start with our FREE
Project Management Consultation.

Why not use our project management services to help you have a smooth and pain free project.

Critical Power Supplies - Datacentre Banner

Trade-In your UPS with us

Trade-in your old UPS for a same or higher spec model*

*Terms and conditions apply.

Uninterruptible Power Supplies

Uninterruptible Power Supplies or UPS is our speciality here at Critical Power Supplies. With a wide range of UPS systems for all types of applications from home and domestic use up to heavy industry and medical uses, you are sure to find the UPS power supply that you require. Do you need a rack mount solution for your servers or UPS battery backup? For whatever your needs are we can provide you with an uninterruptible power supply.

In our collection you will find all of the uninterruptible power supplies that you require from line interactive UPS to online UPS systems. We also stock an extensive selection of UPS battery replacements and 3 phase UPS systems.

You will find leading manufacturers in our collection including APC, Eaton and Riello, so you can expect nothing less than outstanding performance with our products. We only have suppliers who meet our supply chain standards for quality (ISO 9001), health and safety (ISO 18001), and environmental management (ISO 14001). Browse our uninterruptible power supplies in full below or contact us today if you have any questions regarding our range.

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Critical Power Supplies - Product box 34319 1500036357
Yuasa batteries np7-12l
£29.16 £29.16
in stock
details >
Critical Power Supplies - Product box 1166736 1570011968
Yuasa SWL 12V 93.6Ah High Rate Flame Retardant VRLA Battery
£123.51 £123.51
in stock
details >
Critical Power Supplies - Product box 1166741 1570012501
Yuasa SWL 12V 110.2Ah High Rate Flame Retardant VRLA Battery
£152.11 £152.11
in stock
details >
Critical Power Supplies - Product box 32609 1500036357
Yuasa battery swl1100fr
£74.65 £74.65
in stock
details >
Critical Power Supplies - Product box 1139076 1568294491
Yuasa 6V 1.2Ah General Purpose VRLA Battery
£25.21 £25.21
in stock
details >
Critical Power Supplies - Product box 34713 1500036357
Yuasa 12V 1.2Ah General Purpose VRLA Battery
£25.60 £25.60
in stock
details >
Critical Power Supplies - Product box 1139776 1568302949
Yuasa 12V 2.1Ah General Purpose VRLA Battery
£25.96 £25.96
in stock
details >
Critical Power Supplies - Product box 1139781 1568303297
Yuasa 12V 2.3Ah General Purpose VRLA Battery
£26.29 £26.29
in stock
details >
Critical Power Supplies - Product box 1139786 1568303647
Yuasa 12V 2.8Ah General Purpose VRLA Battery
£26.75 £26.75
in stock
details >
Critical Power Supplies - Product box 1151691 1569243433
Yuasa 12V 3.2Ah General Purpose VRLA Battery
£26.75 £26.75
in stock
details >
Critical Power Supplies - Product box 32628 1500036357
Yuasa 6V 2.8Ah General Purpose VRLA Battery
£28.39 £28.39
in stock
details >
Critical Power Supplies - Product box 34549 1500036357
Yuasa batteries np12-12
£40.49 £40.49
in stock
details >
Critical Power Supplies - Product box 1168506 1570095063
Yuasa YUCEL 6V 1.2Ah General Purpose VRLA Battery
£21.24 £21.24
in stock
details >
Critical Power Supplies - Product box 1168476 1570093995
Yuasa YUCEL 6V 1Ah General Purpose VRLA Battery
£21.48 £21.48
in stock
details >
Critical Power Supplies - Product box 1168766 1570100770
Yuasa YUCEL 6V 4Ah General Purpose VRLA Battery
£21.94 £21.94
in stock
details >
Critical Power Supplies - Product box 1168586 1570098026
Yuasa YUCEL 6V 2.8Ah General Purpose VRLA Battery
£22.10 £22.10
in stock
details >
Critical Power Supplies - Product box 1168741 1570099664
Yuasa YUCEL 6V 3.2Ah General Purpose VRLA Battery
£22.10 £22.10
in stock
details >
Critical Power Supplies - Product box 1139376 1568295830
Yuasa 6V 4Ah General Purpose VRLA Battery
£22.89 £22.89
in stock
details >