Tiergrade via Amazon offers Prime members the Tiergrade 22,000mAh Portable Battery Pack bundled with a 2 Port Wall Charger, 6-Foot USB Cable, and 3-Foot USB Cable for $27.99. Coupon "IG6KGIXZ" cuts it to $19.99. With free shipping, that's tied with last week's mention and $20 under the lowest price we could find for a similar battery pack alone elsewhere. The power bank features three USB ports and an LED indicator light.