Go to Anker.com for their 20 Million Users Celebration where they are offering $30 in FREE Anker Dollars when you sign up. PLUS, you’ll earn $1 for every friend that you refer.

Then on June 28th, your Anker Dollars will be credited to your account as a coupon that is valid until July 27th on items from the Anker Store – you can use them towards the purchase of mobile chargers, accessories & more!