30pcs 5V 2A Solar Panel Power Bank USB Charge Voltage Controller Regulator Module 6V 20V Input

Features:
 
Automatic identification for iPhone and other smartphone
5V constant voltage output
Automatic restart (after the sun weaker, stop charging, automatic recovery after discharge to strong sunlight)
Compatible with most smart phones, tablet, for iPad, digital cameras, etc.
 
Specification:
 
Input voltage:6V-20V
Output voltage: 5V
Maximum output current: 2000mA
conversion efficiency:95%
Product size: 35x40x15mm
 
Package Includes:

30 x Solar Panel Module