tbese are the two I am looking at. Has anyone tried either of them? Which would you recommend? Thanks!
https://www.amazon.com/gp/aw/d/B00ZQ4JQAA/ref=mp_s_a_1_2?ie=UTF8&qid=1472399163&sr=8-2&pi=SX200_QL40&keywords=amazon+basic+power+bank&dpPl=1&dpID=31edYQitGqL&ref=plSrch...