This is the Venom 30C 4S 5000mAh 14.8V LiPo Universal 2.0 Battery.
Includes: 4S 14.8V 5000mAh 30C LiPo Fly Battery with Balance Connector and Venom 2.0 Universal Plug System
Requires: 4S LiPo Compatible Charger and LiPo Charging Bag
Note: Always use a LiPo-approved charger and balancer. Be sure to charge in a fireproof location and keep out of reach of children. Never charge over 4.20V per cell, allow discharging below 2.5V per cell or trickle charge. Do not disassemble or modify pack wiring in any way, puncture cells or place on combustible materials or leave unattended during charging.
Dimensions: 5.8 x 1.6 x 1.1" (148 x 42 x 29mm)
Weight: 15.7oz (445g)
Continuous Discharge: 30C (150A)
Max Burst Rate: 50C (250A)
Min Discharge Volts per Pack: 12V
Max Volts per Pack: 16.8V
Suggested Charge: 1C (5A)
Max Charge: 5C (25A)
Watt Hours: 74
Energy Density: 161.2 WH/KG
Discharge Wire Gauge: 10AWG