took the hit and got a compressor from Amazon, (GX CS3 PCP Air Compressor, Auto-Stop,Oil-Free, Built-in Water-Oil Separator Filter, Powered by Car 12V DC or Home 220V-240V AC (Included), 4500Psi/30Mpa,Paintball/Scuba Tank Compressor Pump) to be exact lol.
Lovely bit of kit. Fills my 48 Ci 3000 Psi tanks up in 15 minutes.
Also comes with the nozzle to fill it up straight away hassle free.