I've had many mc4's fail and melt. But then again I'm always mixing various mc4 connectors on various products. You never know what you're going to get
From array to scc pv input, I use non insulated butt splice connector sized properly, then cover the whole joint with marine grade heat shrink.
Please don't use spade connectors 😬
Oh goodness. Very hard to keep up with. We get new models every couple months it seems.
Then they will come out with new firmware which usually improves the product, but sometimes makes it worse.
These brands are not very consistent either. Sometimes a single product on their line will be a...