4400mah 3.7v USD 8.5 portable power bank 1.Mini size. 2.Lead time: 7days. 3. ... , PSP, Laptop,etc Manufacturer Direct Sell chargers (4400mAh 3.7V) portable powerbank SpecificationsAluminium alloy Colorful Housing and Laser Engraving Surface, 4400mAh ... per loaded device Feature: 1, Small and Exquisite, Compact and Portable, minute extension with high-capacity2, Aluminium alloy Colorful Housing and ...