As one of its daily deals, A4C offers the Motorola 1,860mAh Universal Portable Battery Pack Charger, model no. P893, for $4.49 with free shipping. That's about a buck less than our July mention and the lowest total price we've seen. (It's a current low by $4.) It features a micro USB and 1,860mAh battery that provides up to six hours of talk time. Deal ends today.