MagSafe Power Bank 4,000mAh 
SPECIFICATIONS
Battery Capacity: 4000mAh (3.85V, 15.4Wh) lithium polymer
Power Input: USB-C 5V/3A,9V/2A (18W Max)
Power Output: USB-C 5V/3A 9/2A 12/1.5A (20W Max)
Wireless Output: 5W/7.5W/10W/15W (MAX)
Dimensions: 70 x 65 x 11.6 mm
Weight: 96 g