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Looking for an easy solution to power a (say 120mm muffin) fan at a remote site. Currently the setup is 100V from PV's that only feed a pump controller, so no batteries, no low voltage. Obvious solutions start with a DC fan, but I've never seen one Next is DC-DC converter with a suitable input...

I put in a bore a couple of years ago with a chinese bore pump (nominally 72V, 750W, 5m3/h) It worked well for two years and then the controller failed. The pump is 3ph which is generated from the (DC only) controller which has a few user configurable parameters, but is mostly locked down. The...

I hadn't come across 1500V MC4's until a mate turned up with a panel with them fitted. I can see they need different tools to assemble, but are they otherwise compatible? He'll only be using the panel as a single, so the voltage won't be high. For this application, is there any reason not to...

Hi All. First post - have to start somewhere. I run a collection of single panel systems: one for a water pump one for security camera and electric fence energiser three for keeping start-batteries in good condition when their equipment is not being used. I've replaced all the PWM CC's with...