The Anker 347 Power Bank (Powercore 40K) Is A Powerful Portable Charger That Can Keep Your Devices Juiced Up For Days. With A Massive 40,000Mah Capacity, It Can Charge Your Smartphone, Tablet, Or Even Laptop Multiple Times. It Features Two Usb-C Ports With Power Delivery For Fast Charging, And Two Usb-A Ports For Charging A Variety Of Devices. Anker'S Advanced Safety Features Ensure Safe And Reliable Charging. Product Specifications: Manufacturer: Anker Capacity: 40,000Mah Output Power: Usb-C 1: Up To 30W (Pd) Usb-C 2: Up To 18W (Pd) Usb-A 1: Up To 12W Usb-A 2: Up To 12W Input Power: Up To 10W (5V/2A) Dimensions: 6.3 X 2.9 X 1.4 In Weight: 452G