Getting Solar Charge Controller Sizing Right the First Time
If you're building an off-grid setup, getting your solar charge controller sizing spot on is the difference between a system that hums along and one that literally goes up in smoke. It's one of those steps where you can't really afford to "eyeball it" because the controller acts as the gatekeeper between your expensive solar panels and your even more expensive battery bank. If you undersize it, you're leaving power on the table or risking a blown fuse (or worse). If you radically oversize it, you're just throwing money away. ...