Desktop Power Supplies

A desktop power supply is the battery back that connects to a mains power supply and is used to power your laptop or PC.

How do they work?
They act as the conduit between your mains power supply and your desktop device. It facilities the electrical interaction that gives your device power and the ability to operate.

Features and benefits

  • Highly efficient
  • Long shelf life
  • LED power indicators available to let you know if your device is charging or idle
  • Different lead lengths available
  • Fully enclosed plastic casing
  • Small, compact and neat
  • Energy saving properties in some power supplies
  • Mounting types such as desktop, or wall plugs available


Where might I use one?

  • For your home PC or Laptop
  • At work
  • Medical equipment
  • Military applications

...
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Viewing 1 - 20 of 802 products
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Description Price Input Voltage Range Output Voltage Rating Output Current Range Rated Output Power Input Connector Output Connection Type Number of Outputs Plug Type Medical Approved Load Regulation Range Cable Length Efficiency Energy Efficiency Level Holdup Time
RS Stock No. 188-769
BrandRS PRO
£27.30
Each
Units
100 → 240 V ac 12V dc 5A 60W IEC320-C14 2.1 x 5.5 x 11 mm Centre Positive 1 C14 - ±3% 1000mm 87% V -
RS Stock No. 188-781
BrandRS PRO
£27.30
Each
Units
100 → 240 V ac 24V dc 2.5A 60W IEC320-C14 2.1 x 5.5 x 11 mm Centre Positive 1 C14 - ±3% 1000mm 87% V -
RS Stock No. 907-6251
BrandRS PRO
£33.44
Each
Units
Maximum of 230 V ac 24V ac 3A 18 (Power2) VA, 72 (Power1) VA - - 2 - - - 1800mm - - -
RS Stock No. 726-3047
BrandRS PRO
£46.58
Each
Units
90 → 264 V ac 12 → 24V dc 3 → 5A 70W C8 3.5 x 1.35 mm, 4 x 1.75 mm, 4.8 x 175 mm, 5 x 1 mm, 5.5 x 2.1 mm, 5.5 x 2.5 mm, 6 x 1.5 mm, 6.3 x 3 mm 1 - - ±1% 1200mm 87% V 16 ms @ 115 V ac
RS Stock No. 904-8480
BrandRS PRO
£25.40
Each
Units
100 → 240 V ac 12V dc 6A 72W C14 1.75 x 4.75 x 11 mm Centre Positive Female Coaxial Plug, 2.1 x 5.5 x 10.5 mm Centre Positive Female Coaxial Plug, 2.5 x 5.5 x 12.5 mm Centre Positive Female Coaxial Plug, 3 x 6.3 x 12 mm Centre Positive Female Coaxial Plug 1 C14 - ±5% - 88% VI ≥8.3ms
RS Stock No. 125-4243
BrandRS PRO
£14.33
Each
Units
90 → 264 V ac 24V dc 0 → 0.5A 12W - 2.1mm Jack Plug 1 UK - - 1800mm 78% VI -
RS Stock No. 125-4240
BrandRS PRO
£14.33
Each
Units
90 → 264 V ac 5V dc 0 → 2A 10W - 2.1mm Jack Plug 1 UK - - 1500mm 73% VI -
RS Stock No. 125-4242
BrandRS PRO
£12.90
Each
Units
90 → 264 V ac 12V dc 0 → 1A 12W - 2.1mm Jack Plug 1 UK - - 1800mm 78% VI -
RS Stock No. 125-4247
BrandRS PRO
£21.54
Each
Units
90 → 264 V ac 12V dc 0 → 5A 60W - - 1 Fixed Bare end - - 1500mm 75% VI -
RS Stock No. 903-7121
BrandRS PRO
£19.28
Each
Units
100 → 264 V ac 12V dc 2A 25W C14 2.1 x 5.5 x 11 mm Centre Positive 1 - - - 1830mm 81% VI -
RS Stock No. 904-8486
BrandRS PRO
£18.20
Each
Units
100 → 240 V ac 12V dc 3A 36W C14 1.75 x 4.75 x 11 mm Centre Positive Female Coaxial Plug, 2.1 x 5.5 x 10.5 mm Centre Positive Female Coaxial Plug, 2.5 x 5.5 x 12.5 mm Centre Positive Female Coaxial Plug, 3 x 6.3 x 12 mm Centre Positive Female Coaxial Plug 1 C14 - ±5% - - VI ≥8.3ms
RS Stock No. 907-6249
BrandRS PRO
£15.28
Each
Units
Maximum of 230 V ac 24V ac 750mA 18 (Power1) VA, 18 (Power2) VA - - 2 - - - 1800mm - - -
RS Stock No. 731-6037
BrandRS PRO
£17.87
Each
Units
100 → 240 V ac 12V dc 2.5A 30W IEC320-C8 1.75 x 4.75 x 11 mm Centre Positive Female Coaxial Plug, 2.1 x 5.5 x 10.5 mm Centre Positive Female Coaxial Plug, 2.5 x 5.5 x 12.5 mm Centre Positive Female Coaxial Plug, 3 x 6.3 x 12 mm Centre Positive Female Coaxial Plug 1 C8 - ±5% 1200mm 84% V ≥8.3ms
RS Stock No. 726-3031
BrandRS PRO
£30.20
Each
Units
90 → 264 V ac 5 → 12V dc 2.5 → 4A 30W C8 3.5 x 1.35 mm, 4 x 1.75 mm, 4.8 x 175 mm, 5 x 1 mm, 5.5 x 2.1 mm, 5.5 x 2.5 mm, 6 x 1.5 mm, 6.3 x 3 mm 1 - - ±1% 1200mm 84% V 16 ms @ 115 V ac
RS Stock No. 125-4244
BrandRS PRO
£13.13
Each
Units
90 → 264 V ac 12V dc 0 → 1A 12W - 2.1mm Jack Plug 1 European Plug - - 1800mm 78% VI -
RS Stock No. 731-6074
BrandRS PRO
£26.81
Each
Units
100 → 240 V ac 19V dc 3.42A 65W IEC320-C8 1.75 x 4.75 x 11 mm Centre Positive Female Coaxial Plug, 2.1 x 5.5 x 10.5 mm Centre Positive Female Coaxial Plug, 2.5 x 5.5 x 12.5 mm Centre Positive Female Coaxial Plug, 3 x 6.3 x 12 mm Centre Positive Female Coaxial Plug 1 C8 - ±5% 1200mm 87% V 10ms
RS Stock No. 125-4246
BrandRS PRO
£20.23
Each
Units
90 → 264 V ac 24V dc 0 → 1.75A 24W - - 1 UK - - 1800mm - VI -
RS Stock No. 904-8474
BrandRS PRO
£17.04
Each
Units
100 → 240 V ac 5V dc 4A 24W C14 1.75 x 4.75 x 11 mm Centre Positive Female Coaxial Plug, 2.1 x 5.5 x 10.5 mm Centre Positive Female Coaxial Plug, 2.5 x 5.5 x 12.5 mm Centre Positive Female Coaxial Plug, 3 x 6.3 x 12 mm Centre Positive Female Coaxial Plug 1 C14 - ±5% - - VI ≥8.3ms
RS Stock No. 904-8503
BrandRS PRO
£25.40
Each
Units
100 → 240 V ac 24V dc 3A 72W C14 1.75 x 4.75 x 11 mm Centre Positive Female Coaxial Plug, 2.1 x 5.5 x 10.5 mm Centre Positive Female Coaxial Plug, 2.5 x 5.5 x 12.5 mm Centre Positive Female Coaxial Plug, 3 x 6.3 x 12 mm Centre Positive Female Coaxial Plug 1 C14 - ±5% - 88% VI ≥8.3ms
RS Stock No. 125-4245
BrandRS PRO
£20.23
Each
Units
90 → 264 V ac 12V dc 0 → 3.5A 42W - - 1 UK - - 1800mm 75% VI -