Newegg offers the Rosewill Chic 6,400mAh External USB Backup Battery Charger in White, model no. PB-C1-6400-WH, for $15.99. Coupon code "EMCEJFL69" cuts the price to $4.99. With free shipping, that's tied with last week's mention of a different color, $25 off list, and the lowest total price we could find. It features a 1-amp port, 2.4-amp port, and LED status indicator. Deal ends May 23.