Anker direct via Amazon is offering the Anker Astro E4 13000mAh portable dual-port external battery pack for $36.99 with free shipping when you enter enter code BDDL6ZN9 at checkout. That’s $8 below the average selling price and the lowest we have ever seen by $2.
The large capacity of this power bank allows it to completely recharge an iPhone around 6 times and provide a boost of about 80% to an iPad. It features 4 status LEDs that display power availability, over 500 lifetime recharge cycles, and a slim form factor measuring just .9 inches thick. Perfect during power outages, the Astro E4 will keep all your gadgets running and light the way thanks to a built-in flashlight. Available in black or white.
Amazon reviewers give it a rating of 4.5 out of 5 stars.