Groupon offers the Motorola Universal 2,000mAh Portable Battery Charger in Black or White, model no. ASMP993-JP9A, for $9.99. Coupon code "OFF5" cuts it to $9.49. With $3.99 for shipping, that's a buck under last week's mention and the lowest total price we've seen for this model. (It's a current price low by $29.) It features an LED charge indicator, two USB ports, and automatically turns off when device is charged. Deal ends November 6.