Features: 1. Built in Dual USB port, with LED Flashlight , LCD Digital display showing the battery status. 2. Long service life, more than 800 times the charging and discharging. 3.The use of advanced intelligent protection chip, the overcharge protection, discharge protection, overload protection, shortcircult protection,Leakage protection and five heavy security protection. 4. After 72 hours again text, the product performance is stable. 5.High power conversion efficiency, much higher than other similar products. Specification: Item: 50000mAh mobile power bank Battery Type: Lithium Battery Input Voltage:DC 5V/2A Output Voltage: DC 5V1A 5V2.1A Output Current: 1000-2000 mA Input charging time: 7-12 hours Dimension :140 x 62 x 22mm. Color : Grey / Orange / Red Package: 1 x 50000mAh Pineng power bank 1 x charge Cable for Power bank