Portable mini-projectors are perfect for movie nights both indoors and out. We tested the top models to find the best.

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Not too long ago, even the best portable projectors could only throw up a dim version of your favorite movies onto the wall, and the battery would die halfway through the second act—if you were lucky.

“This isn’t your grandma’s old projector…You gotta see it for yourself.” Artsea’s 4K 1080P Smart Mini Projector is now on sale for the superbly low price of $42 at Walmart. It’s listed with an MSRP of ...