Specification:
 
Input voltage:6V-20V
Output voltage: 5V
Maximum output current: 2000mA
conversion efficiency:95%
Product size: 35x40x15mm

Features:

Automatic identification Iphone and other smartphone
5V constant voltage output
Automatic restart (after the sun weaker, stop charging, automatic recovery after discharge to strong sunlight)
    
Kindly Note: 

If you need a huge quantity, contact us to get more competitive offer. 

Shipping and Payment:   

Payment : Paypal
Shipped within 2 business days once payment done. 
10~27 days to reach you. 

Refund and Guarantee:

30 Days Money Back Guarantee
180 Days - Free Exchange
Please contact us with any questions or concerns,we will solve it until you satisfy.