ProTek RC PTK-5101-20 4S 120C Low IR Si-Graphene + HV LCG LiPo Battery (15.2V/4

Features:
Lighter than a hardcase 4S LiPo pack of equal capacity
Improved power to weight ratio and a lower overall CG
More runtime, with a dramatic increase in voltage and punch
Silicone Graphene can handle more abuse and deliver more current than a standard LiPo battery
Improved efficiency, lower operating temperatures, and lower internal resistance!
Increased run time, increased cycle life and increased voltage!
More capacity gram for gram when compared to standard LiPo cells
Perfect for stock class racers looking to shave grams
10C max charge rates - 1C charge rate recommended for longest life
7.6V nominal voltage
5mm bullets and 5mm to 4mm bullet adapters included