DSE MiGear 3-in-1 Power Station 12v Jump Starter Compressor & Power Pack Only $20
Was $49 before http://www.ozbargain.com.au/node/78724
The MiGear 3in1 Power Station has a built in 12V 8Ah Rechargeable lead acid battery and can be charged by AC or DC charger.
300Amp Jumpstart system
New Technology of double injection housing
Reverse polarity indicator
Safety on-off switch
Battery level indicator
260PSI air compressor
max output 11Ampere.