Versatile Power Companion: This 20000mAh power bank from Charmast is universally compatible with all major smartphone brands and tablets, providing reliable backup power for several days of usage. Its high capacity and efficient charging technology ensure your devices stay charged and ready to go. Compact and Convenient: With built-in cables for iOS and Android devices, this power bank eliminates the need for carrying multiple cables and adapters, making it a truly portable and hassle-free charging solution. Its sleek and slim design (6.33 x 2.85 x 0.74 inches, 0.73 lbs) ensures easy portability. Speedy Charging: Equipped with 20W PD fast charging technology, this power bank rapidly charges your devices, ensuring you never miss an important call or video chat due to a dying battery. Stay connected without worrying about running out of power. Intelligent Display: Unlike traditional power banks with LED indicators, this portable charger features an LED display that accurately shows the remaining battery percentage, allowing you to monitor the power levels and plan your charging schedule accordingly.