Reddit reviews NOVOO Portable Charger 5000mAh USB-C Power Bank Ultra-Compact with 18W Power Delivery & QC 3.0 Cell Phone External Battery Pack for iPhone11/11 Pro/11 Pro Max/8/8+, Samsung, Pixel, Mate 20 Pro, P30

Novoo PowerCube 5000 mAh features a powerful 21700 battery—known for their usage in the electric car industry. These batteries bring along 40% more power capacity than conventional 18650 batteries. This lightweight, mini size portable charger packs 5000 mAh that holds enough juice to fully recharge your iPhone 8 or Samsung S8 up to 2 times.With support for 18W output, the Novoo PowerCube 5000 mAh can fast charge on all your USB-C compatible devices through USB-C Power Delivery charging technology. It provides you a faster charging speed to all your smart devices like latest Apple and Android devices up to 18W output. It can even rapid charge your iPhone 8 up to 50% in just 30 minutes through USB-C.The high-grade shell design doesn’t only ensures the protection of your Novoo PowerCube 5000 mAh --it also looks great. The black exterior create a seamless, slick look. Convenient size (76 x 35 x 27mm) makes it easy to take with you.Supports devices and appliances with PD protocol, including all the latest iPhones (Xs, Xs Max, 8-Plus), tablets, etc. Compatible with most Apple and Android phones, include iPhone X/8/8Plus, iPad/iPad Pro/iPad mini, Samsung Galaxy S9/Note 8, Sony Xperia Series, Huawei Mate 10/Mate 9/P10/P9, and more smartphones and tablets.Our Li-ion batteries adhere to the highest safety and quality standards. We even go the extra mile… Comes standard with overcharge protection, undercharge protection, short-circuit protection and over-temperature protection to ensure complete safety for you and your devices.