From Muchmore Racing:
New 2S IMPACT Silicon Graphene Li-Po HV Battery release.
IMPACT Li-Po 4200mAh 7.6V 130C is fit 1/12 scale racing and other classes.
Provide maximum power and increase run time.
Dimensions: 96 x 47 x 18mm (L x W x H)
Voltage Input: 7.6V
Connector Type: 5mm