Wal-PD608 is a high quality product, with a large capacity 20,000 mA mobile power, the internal use of the original A + batteries, supports two safe input fast-charge, and is equipped with four USB interface, it can simultaneously charge the device 4 . Waugh product PD608 mobile power very metallic, made of 1.2mm thick high-purity aluminum alloy + pure PC material forming one whole ultrasonic welding process more firmly fixed not need the extra screws and other metal parts. In addition fertile PD608 product automatically detects mobile power charging, with dual-mode LED flashlight function with 2000Amh large capacity with four USB interface to support four electronic device charging. Waugh product PD608 has a rugged metal housing and drop wear-resistant extrusion, simple and stylish appearance. It has 20,000 mA power, endurance, high conversion efficiency, and can achieve simultaneous 4 output, the main business and home user market for high-capacity needs of the user provides a great convenience.