The Last Charger You Will Ever Need 20000M power bank packs 20000mAh enough juice to charge your phone 5 times,adds about 50 hours of web browsing time. Fast charging technology, deliver light-speed charging experience, efficient charging for both input and output is fast,and save your time. Dazzling exterior, elaborate and durable. Made of polymer material, protective to your power bank and ensure long service life. Accurate volume display, in-time reminder for you to re-charge the power bank. mirror surface are both curved for beauty. With the world's safest Li-polymer battery in aluminum case. No excessive bulk, compact like 50% iphone X, easily stored in your pocket or purse. The freedom and safety you will experience from this portable compact powerful charger.