Filling up these backpacks is bit of a hassle.
I don't want to carry water barrels in my van so thinking about getting a more powerful pump.
Marco UP1-N 12V Self Priming Water Pump Ref: UP1-N 12V
Self-priming electric water pump with self-lubricating flexible impeller for prolonged life.
Brass body with stainless steel shafts.
Suitable for fresh or salt water, for intermittent use only.
The internal brush holder, with EMI filter included, protects the motor from corrosion especially in a sea water environment. When used with an external tube the flow rate increases by 3 l/min.
For intermittent use only.
Pressure 0.8 bar
Flow Rate 35 l/min
Low voltage 12v
Ports 1/2" BSP inner thread and Ø25mm bore hose connections
Consumption 9.5A 11A
Dimensions 176x120x94mm
Weight 2.8kg
Temperature Min -10C Max 60C
Price: £132.71 (Including VAT at 20%)
Source0.8 bar works out 11.6 PSI so it's not any good for pumping water to the pole through 100m minibore i guess.