20 PSI SUP Pump - use from 12 volt via a cigarette socket.
As long as your SIB requires 20 PSI or less, this will do the job. 
 
Key Features:
A Very high pressure 12V SUP pump
Automatic switching from first to second stage
Pressure: 20 PSI / 1.38Bar
Inflate and deflate
Powerful 12V compressor
Switches off automatically once pre-selected pressure is reached
Pressure unit selection
Robust, high quality hose and socket and adaptors
Max loading is 15Amp
Size 23cm x 16cm x 13cm