Anker PowerCore Select 20000mAh Power Bank

Specs
Recharging time: 6.5 hours (with USB-A to Micro-USB cable, and 9V/2A AC charger)
Micro-USB Input: 5V = 2.2A, 9V = 2A
Single Port Output: 5V = 3A, 9V = 2A, 12V = 1.5A
Dual Port Output: 5V = 3A Max
Total Power Output: 18W

Notes
– USB-C cable, Lightning cable, and AC adapter not included.
– Compatible with most USB-charged devices, including iPhone 8 / X / XS / XS Max / XR (Lightning cable required), Android smartphones and tablets (including the Nexus 7)