Originally Posted by StarGazer
snip...... Is this possible? Do I need a pressurized water source from a hose? Or can I just like setup a funnel and dump the water into the tank?
Yes on the possible, and No you don't need to pressurize anything..., and Yes just pour the water into the tank via the outside capped opening. The pump operating off the 12V battery will prime itself and maintain the required pressure for use. I assume that you have a plan for maintaining a charged battery, and it's best not to let a battery drop below 50% of full charge.