This is the Trinity White Carbon Hi Voltage VTA LiPo 2S 7.4V 500mAh.
Dimensions: 5.4 x 1.8 x 0.94" (137 x 47 x 24mm)
Weight: 9.5oz (270g)
Discharge Rate: 100C
Watt Hours: 37.00
Output Connectors: 5mm Gold Plated Bullets
Balancing Connector: 2mm Gold Plated Bullet
Includes: White Carbon 2S High Voltage 5000mAH HV VTA Battery Pack and 5mm Bullet Battery Connectors
Requires: LiPo Charging Bag, LiPo Compatible Charger and Balancer
Note: Always use a LiPo-approved charger, use a LiPo cell balancer and charge in a fireproof location. Be sure to set charger's output volts to match battery volts and keep out of reach of children. Never charge over 4.2V per cell, charge at currents greater than 1C or trickle charge. Do not allow to Discharge below 2.5V per cell, disassemble or modify pack wiring in any way or puncture cells or place on combustible materials or leave unattended during charging. All weights are +/- 1g.