i have a backpack i bought off john hewitt for £100,ive took the tank off it and converting to be van system,has a 80 psi pump and a battery that lasts 7 hours none stop work,when its cold i can take it in,i have a xline trolley which is ok but bulky,im getting another backpack from john hewitt which comes with a foldaway trolley and carries 20 litres!
heres a pic of my van system daz!
I bought a 250 ltr upright water tank with fittings for £41 off fleebay
and a `100 metrer micro hose n reel about £100 from wintecs!