Anker Direct via Amazon offers its Anker Astro3E 10,000mAh External Battery Pack, model no. AK-79ANS1052-BA, and Anker 36-Watt 4-Port USB Wall Charger, model no. AK-71AN3654W-WA, for $59.98. (Add both items to your cart.) Coupon code "ZVGA3P2S" cuts it to $39.99. With free shipping, that's $20 below the lowest total price we could find for these items separately elsewhere. The battery pack features an LED status bar and dual outputs to charge two devices at once, while the wall charger is able to charge four devices.