20,000mAh Anker PowerCore Essential Portable Power Bank $26 + Free Shipping w/ Prime or on $35+ Leave a reply Thumb Score: 0 AnkerDirect via Amazon [amazon.com] has 20,000mAh Anker PowerCore Essential Portable Power Bank (A1268) for $ 25.99. Shipping is free w/ Prime or on $ 35+. Slickdeals Hot Deals Forum