Popsugar Tech Affordable Shopping Best Affordable Gadgets From Walmart These 16 Essential Gadgets Are Under $50, So You Might Just Need Them All 5 March 2019 by India Yaffe View On One Page Photo 9 of 16 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 iPhone X Battery Case If you feel like you're always trying to charge your dying phone, invest in this iPhone X Battery Case ($40). iPhone X Battery Case $40 from walmart.com Buy Now Previous Next Start Slideshow ShoppingAffordable ShoppingWalmartGadgets