Amazon is offering iPhone 8 and iPhone 7 owners a way to get their smartphone’s battery extended through the Smart Battery Case. The product is now on sale for $78 on Amazon, down from its usual price of $100. The back-order for the Smart Charger Case is logged until July 17, with the black version going more than that. Still, it beats not going into panic mode when your iPhone 8 flashes that ‘low battery’ pop-up just when you’re watching your favorite Netflix series, movie or YouTube video. Battery Case for iPhone 7 and iPhone 8 Sale Apple Smart Battery Case (for iPhone 7) – White The Smart Battery Case for iPhone 7 gives you extra battery life with the look and protection of an Apple-designed case. Combined with the Smart Battery Case, iPhone 7 provides up to 22 hours of battery life for browsing the web, up to 24 hours of watching HD video, and 26 hours of talk time. – $21.00 Buy on Amazon The Smart Battery Case combines protection with utility by being a 2-in-1 case and charger, even if there’s no plug available. Your iPhone 7 can last up to 22 hours browsing the web, 26 hours talk time and 24 hours watching videos with the discounted battery case. Grab the official Apple Smart Battery Case now while stocks last.