As one of its daily deals, CowBoom offers the myCharge Portable Power Bank 3,000mAh Battery
, model no. RFAM-0142, for $9.99
for shipping. That's $42 under the lowest total price we could find for any myCharge portable 3,000mAh battery. Sales tax is added where applicable. This external battery is designed for use with most non-Lightning Apple devices and purportedly powers up to 12 hours of talk time, up to 101 hours of audio, up to 18 hours of video, or up to 17 hours of WiFi. Deal ends today.