new Silverline 234578 900 Watt 12 Ah Jump Starter and Air Compressor £25 -

new no box Technical Details Built in work light 12 ampere-hour internal battery, starting boost 400 amp, peak boost 900 amp Maximum air pressure 260 psi Voltmeter and pressure gauge 230 volt mains charger and 12 volt in car charger Note: Use the front charging socket for charging the unit