Battery Case for iPhone 13 Pro Max, Upgraded 10800mAh Rechargeable Portable Extended Battery Pack Supported Qi Wireless Charging Case Compatible with iPhone 13 Pro Max (6.7 inch) Charger Case (Black) 4.1 out of 5 stars 68 Features Provides 150% Extra Battery Power Exclusively designed for iPhone 15 Pro Case doubles your iPhone's battery capacity Fully supports USB-C cables for charging and synching No need to ever remove Apple - Geek Squad Certified Refurbished iPhone 11 Pro Max Smart Battery Case - Black. Model: GSRF MWVP2LL/A. SKU: 6413193. Rating 4.8 out of 5 stars with 13 reviews Apple - iPhone 11 Pro Max Smart Battery Case - Black. Model: MWVP2LL/A | SKU: 6306333. User rating, 4.6 out of 5 stars with 635 reviews. 4.6 (635 Reviews) 18 Answered As the name suggests, a Lifeproof FRĒ SERIES waterproof case can withstand all of life’s challenges to keep your iPhone 11 Pro Max safe and sound. It’s fully submersible to 6.6 feet or 2 meters for 1 hour and sealed against snow, dirt, and other particles, exceeding IP-68 Ingress Protection Rating. This iPhone 11 Pro Max battery case provides 120% extra power with build-in 5000 mAh lithium Ion, which equivalent to add 48H Audio Playback, 15H Talk Time, 48H Game Enjoy, 17H Internet Use; Sync Technology-Comes with Advanced Sync Technology. This iPhone 11 pro max charging case and your iPhone 11 Pro max can be charged at the same time when Apple today launched a battery case replacement program for Smart Battery Cases designed for the iPhone XS, XS Max, and iPhone XR.. According to Apple, some Smart Battery Cases can experience Apple says users should expect up to 50% longer battery life when using the Smart Battery Case with their iPhone 11, iPhone 11 Pro, or iPhone 11 Pro Max. That's excellent considering the already aR7h1Y.