ORICO 3350mAh Premium Aluminum Ultra Slim Lipstick-Sized Portable Charger/Power Bank/Backup Battery Pack with Flashlight Compact Size: Made from light weight, solid, and durable Aluminum material. It's compact and small, with built in battery usage indicator. Polymer cell with 3350 mAh capacity Power Protection: Safeguards protection against over-current, overcharging, and overheating to the plug-in devices. High Capacity: Adds over one charge to an iPhone 8 or at least 80% to the Galaxy S8 and other flagship smartphones.