This is the Venom 5000mah 4S 14.8v 50C Hardcase Lipo Battery - Uni Plug.

Specifications:

Battery Type: Lithium Polymer (LiPo Battery)

C Rate: 50C

Volts: 14.8

Capacity: 5000mAh

Cell Count: 4S

Cell Configuration: 4S1P

Continuous Discharge: 50C (250A)

Max Burst Rate: 100C (500A)

Max Volts per Cell: 4.2V

Max Volts per Pack: 16.8V

Min Volts per Pack: 12V

Charge Rate: 1C (5A)

Max Approved Charge Rate: 5C (25A)

Wire Gauge: 12 AWG Soft and Flexible Low Resistance Silicone Wire

Plug Type: UNI 2.0 Plug: Compatible with Traxxas Legacy, Deans/T-Style, EC3 and XT60

Dimensions: 138 x 47 x 45 mm / 5.4 x 1.9 x 1.8 in

Watt Hours: 74

Weight: 16.8 oz (475 g)