PSU UNIVERSAL 4AMPS £14.99, 7.5AMPS £29.99

UNIVERSAL SWITCH-MODE POWER SUPPLY 4000mA SUITABLE FOR LAPTOP.
This compact and lightweight 70W switch-mode power supply unit includes 8 interchangeable tips, which support most laptops and portable devices such as PDA and MP3 players. Ideal as a replacement, upgrade or spare power supply.Adjustable output voltages: 12-24Vdc.Power ON indicator.Supplied with 8 interchangeable dc power plugs.Voltage selection via slide switch.Overload and short circuit protected.
Input voltage 110-240Vac.Max. current 4000mA
Adaptor plugs 3.5 x 1.35mm, 4.0 x 1.7mm, 5.5 x 1.7mm, 4.8 x 1.7mm, 5.0 x 3.0mm, 5.5 x 2.5mm, 6.3 x 3.0mm, 6.0 x 4.3mm.Output voltage 12/15/16/18/19/20/24Vdc.Dimensions 115 x 58 x 37mm.Weight 300g

POWER SUPPLY 7.5 AMPS SUITABLE FOR LAPTOPS.
5 Volts-7.5 Amps / 6V-7A / 7V-7A / 8V-6.5A / 9V-6A /10V-5,5A / 11 Volts-5.3 Amps /
12 Volts-5 Amps / 13V-4,8A / 14V-4,5A / 15V-4,2A / 16V-3,9A / 17V-3,7A / 18V-3,5A /
19 Volts-3,3 Amps / 20V-3,2A / 21V-3,1A /22V-2,9A / 23V-2,8A / 24 Volts-2,7 Amps.
Suitable for LAPTOPS.A lightweight, compact universal power supply which uses the latest switch mode technology.Regulated voltage output selectable in 1V steps with voltage rated inserts.Very reliable and efficient.Short circuit, overload and thermal protection.Power ON indicator.Supplied with mains lead and 8 assorted DC power plugs.Specification:Input voltage 100 - 240Vac, 50/60Hz (70W)
Adaptor plugs 8.Dimensions 37 x 57.5 x 142mm.Weight 330g.