This is the TrakPower 2S 7.4V 80C 4600mAh Hard Case Short LiPo Battery

FEATURES:
For electric on and off road cars, buggies and trucks
ROAR approved
Hard plastic case for protection against the elements and crash damage
4mm female bullet connectors for positive (+) and negative (-) terminals
2mm terminal for balancing
Male connectors to solder to wire leads

INCLUDES:
2S 7.4V 80C 4600mAh Short LiPo Battery
Two 4mm Male Bullet Connectors
One 2mm Balance Connector
Instruction Sheet

REQUIRES:
LiPo compatible charger with balancer

SPECS:
Battery Type: Lithium Polymer
Cell Number: 2S
Rated Pack Voltage: 7.4V
Capacity: 4600mAh
Max Recommended Charge Current: 1C (4.6A)
Continuous Discharge: 80C (368 amps)
Pack Dimensions: 0.9 x 1.9 x 3.8" (24 x 47 x 95.8mm)
Weight: 7.6oz (215g)
Discharge Connectors: 4mm Bullet
Balance Connector: 2mm Bullet

COMMENTS:
ALWAYS use a LiPo-approved Charger
ALWAYS use a LiPo Cell Balancer
NEVER Charge over 4.20V per cell
NEVER Charge at currents greater than 1C
NEVER Charge through the "To ESC or "DISCHARGE" lead
NEVER Trickle Charge
NEVER allow to Discharge below 2.5V per cell
NEVER disassemble or modify pack wiring in any way or puncture cells
NEVER place on combustible materials or leave unattended during charging
ALWAYS Charge in a fireproof location
ALWAYS set charger's output volts to match battery volts