The Ecostream™ 500ltr tank with either the 50mtr hose reel or the 100mtr hose reel are the two primary options for you to consider.

Specification,

All components housed neatly on the tank.
1x streamflo™ 100psi pump with streamline® digital controller
1x robust metal hose reel with lock mechanism
1x Streamline® sfc16 digital controller with battery voltage level
1x Streamline® pump 12v 100psi/4.5lpm c/w inline filter
1x Streamline® lithium-ion compact removable battery with usb port to charge your phone (7-8hr continuous run time/5hr charge time)
1x fixed hose reel with 50mtr of 6mm Streamline® hose and microbore couplings or a 100m hose.
1x sided z-profile securing flange