Aukey via Newegg offers the Aukey 20,000mAh External Battery Pack Power Bank
in Black or White, model no. PB-N15, for $26.99
with free shipping
. That's $43 off list and tied with our expired mention from four days ago as the lowest total price we've seen. It features four LED indicators, 2.1-amp input, 3.1-amp output, built-in flashlight, and is compatible with most USB devices.