Anker is running a special promotion for the holidays for anyone who registers for a free account with them:
People have received anything from Portable Chargers to LED Lights to Discount Codes [not much of a gift]
Click on the link here and Sign Up
You Must Then Confirm Your Email
After you confirm your email, click over here and select ‘Grab A Gift’
Anker will then reveal what your gift is.
You will receive an email in 3 days requesting your shipping address!