As one of its daily deals, A4C offers the refurbished Samsung 5,200mAh Fast Charge Battery Pack
in Gold, model no. EB-PN920, for $19.95
with free shipping
. That's $5 less than our December mention and the lowest total price we've seen in any condition. (It's also $10 under the cost of a new one today.) This portable lithium-ion battery purports to charge a device from 0% to 50% in 30 minutes and is compatible with most Samsung smartphones and tablets. Deal ends today.
A 90-day A4C warranty applies.