This is Maclan Racing Graphene V4-SS Stock Spec (7.4V) 2S Stick 6500 mAh.

Introducing the cutting-edge V4-SS (Stock Spec) line, meticulously engineered for the demands of competitive stock racing. Crafted with an innovative cell chemistry boasting 3.7V (1S) and 7.4V (2S) configurations, these batteries redefine performance standards with their remarkably low internal resistance and unparalleled discharge power (150C~200C), propelling you beyond the limits of conventional racing experiences.
Specifications


P/N: MCL6053
Battery Name: Maclan Racing Graphene V4-SS Stock Spec (7.4V) 2S Stick 6500 mAh
Battery Type: 2S Stick
Voltage: 7.4V
Capacity@7.4V: 6500mAh
Discharge Rate: 200C
Wires and Connector: 5mm Bullet Connectors
Weight: 285g ± 3 g
Dimensions: 139x47x22.5mm