The PowerBase 70 Battery Pack from Switronix contains a 70wh 14.8v lithium-ion battery pack providing around 5 hours of runtime for the Panasonic AF-100.
It mounts under the camera via its 1/4"-20 release plate. The pack is also furnished with 1/4"-20 threads on either side to mount accessories. It has two additional PowerTap outputs to power lights, monitors, HD converters, hard drives, etc. A four LED indicator gauge allows you to check charge capacity at any time.
Capacity:= 70 Wh, 4.8Ah
Output Voltage:= 14.8v
Dimensions:= 6.25 × 1.8 × 3.3″
Weight:= 1.4 lb