This is the same battery included with the Voltaic Spark solar tablet case.
Charges from any USB solar panel or any USB port.
Yes: fully Apple compatible
Input: 5-12V, up to 2A
Maximum Output Power: 10 Watts
Output Capacity: 11,600 mAh Charge Time: From 8 Watts solar in 10 hours direct sun, 2A USB Port 5-6 hours
Battery Type: Lithium Polymer
Protection: Short Circuit, Over Charge, Over Discharge, Over Current, Over Temperature Weight: 10.5 Oz (300g)
Dimensions: 4″ x 4 1/4″ x 3/4″ (104 x 107 x 19 mm)
Charge Display: LEDs light sequentially when charging .
Capacity Display: 1 light < 25%, 2 lights < 50%, 3 lights < 75%, 4 lights > 75% full