I agree with the Sewall plugs, easy in tighter spots is key, but very well made, and not crazy expensiveI think spade terminals make the best electrical connection. Even so, I prefer Sewell Silverback banana plugs because they are reasonably priced, easy to insert in tight spaces, and they fit nicely, and I've had no issues with them.
https://sewelldirect.com/products/silverback-banana-plugs
I used them too though I also have some locking ones which do stay in much better!I agree with the Sewall plugs, easy in tighter spots is key, but very well made, and not crazy expensive