20000mAH lithium-polymer battery
Experience ultra-fast charging Quick Charge 3.0 support when charging one device or 5.1V / 3.6A support when charging two devices at once
20000mAH Mi Power Bank 2 plays well with others, including devices from Mi, Apple, Samsung and more, it can also charge some USB-C laptops
Lithium Polymer Battery makes it more durable and optimises charging efficiency; Dual USB Output
Mi A1 : 4.3 Full charges and iPhone 7: 7 Full charges; Anti- slip and scratch resistant
6 months warranty