Advice/recommendations for how to power pumps using solar

Author	Message
Solar Mike Guru Joined: 08/02/2015 Location: New Zealand Posts: 1207	Posted: 10:40pm 07 Sep 2025       >> Would I need a flyback diode across the relay coil, or would the charge controller be resilient enough without it? Best to put one in across the relay coil, use a small 1Amp 1N4004-7 type. Mike