Amazon Lightning Deal Expires 11am PST.Amazonhas the Avant 20,000mAhUltra-High Capacity Dual-Port External Battery Power Bankw/ Samsung Battery Cells and Wall Chargerfor a low $33.99. Free Shipping on orders $35+ or Free 2 Day Shipping (No Minimum) with Prime Membership. Tax in many states. Normally sells for $44.99 as a deal (list price is $129), so you are getting an additional 26% off. 20000mAh capacity charges aniPhone 5S 11 times, an iPhone 6 Plus or Galaxy S5 6 times, an iPad Air almost twice and any other tablet more than twice Each port supplies a current of up to 2.4 A and automatically recognizes your device for full speed charging, maximum combined output of 4.8 A can simultaneously charge two tablets Top-grade Samsung battery cells provide stable output and show no degradation within 400 discharge cycles, smart circuit offers an energy conversion rate of 90% and prevents overcharging Four LED battery indicator,built-in white LED flashlight Recharges in 10-12 hours with the included AC adapter