All4Cellular discounts a selection of refurbished Mophie Juice Pack cases for Apple iPhone 3G/3GS, and 4/4S as listed below. With deals starting at $19.95, that's tied with our refurb mention from last week and puts each at the lowest total price we could find for a new unit by at least $3. Shipping adds $2. Deal ends October 31. The deals:

• Refurbished Mophie Juice Pack Air for iPhone 3G / 3GS in Black for $19.95
• refurbished Mophie Juice Pack Air Charging Case for iPhone 4 / 4S (pictured) for $29.95
• refurbished Mophie Juice Pack Plus Charging Case iPhone 4 / 4S in Black for $36.95

Note: A 90-day All4Cellular warranty applies.