MB3736 4 IN 1 JUMP STARTER 12V 17A USB LED AIR COMPRESSOR MB37364 in 1 Jump Starter with Air compressor USB and LED light So much more than a jumpstarter. Sure, it has self contained jumper leads and a huge 17Ah battery, so itll bail you out of many situations. But the real utility of this unit comes from the additional features. Theres a built in air compressor to inflate tyres. Theres a 5 LED high power work light on the front so you can see what youre doing. 2 x cigarette lighter sockets as well as 2 x USB