Amazon is offering the Anker 36W 4-Port USB Wall Charger Travel Power Adapter for FREE when you buy it with the Anker Astro 10000mAh Portable Charger Dual USB External Battery Power Pack. Just add both items to your cart and at checkout enter the promo code: ZVGA3P2S to see $20 drop off your order. The battery pack is listed at $79.99 and the charger at $42.99, however today both items are only $39.99 shipped. Amazon also has the Lumsing 11,000mAh External Charger with 5xUSB Ports for only $21 after the Promo Code UFWAUCQR is entered at checkout. That’s $69 off the list price and the lowest we could find it for.
It features a high quality Li-ion battery with 500+ recharge cycles over the life of the battery. It also has 5 x USB Output: 5V 0.6A ~ 2.1A, design for charging Phones and Tablets. It can charge 2 tablets or 5 Smart Phones simultaneously. With four integrated LED power status indicator lets you know exactly how much power is left.
Amazon customers gave it 4.6/5 stars and great reviews.