Gooloo via Amazon offers Prime members its Gooloo 8,000mAh Portable Battery Pack and Car Humidifier in White, for $59.99. Coupon code "JOT8YWGV" cuts the price to $19.80. With free shipping, that's $9 under our mention from last December, $120 off list, and the lowest price we've seen. It features two USB slots and fits most cup holders.