With rather confusing specs;
www.venom-group.com/itemdesc.asp?ic=15060
Specifications:
Battery Type: Lithium Polymer (LiPO)
Configuration: 2S2P
Weight: 10.25 oz.
Dimensions: 23.5 x 46.5 x 137.5mm
Charge Rate: 1C (5A)
Continuous Discharge: 60C (300A)
Min Discharge Volts Per Pack: 6V
Max Burst Rate: 600C (500A)
Max Volts Per Cell: 4.2V
Max Volts Per Pack: 8.4V
Watt Hours: 37
Umm, what...?