AnkerDirect via Amazon offers the Anker 16,000mAh PowerCore Dual USB Power Bank (pictured), model no. AK-A1213011, bundled with the Anker 3,200mAh Astro Mini Lipstick-Sized Portable Charger in Silver, model no. AK-79AN7913S-S2A, for $56.98. (Add both items to your cart to see this price.) Coupon code "8WLFPMG7" cuts that to $36.99. With free shipping, that's a savings of $20 and the lowest total price we could find.