I used a custom built trolley system with a built in hose reel. Lightweight and very easy to use. I have a bilge pump fitted in my tank, so i can fill my 20L trolley in around 30 seconds. Used that setup for a good 3 years and it was fast.
Switch over to hose, and can honestly say i don't see the hype with hose jobs. If you have a few in a row then great. But most of the time a trolley would be quicker for me.
I am having to run off a hose, as I am converting to hot water. Hence the hose