This is a Gens Ace 4S 130C 6000mAh Redline LiHv LiPo Battery. GensAce batteries have been proven within the Radio Control community to deliver reliable and consistent performance for all modelers alike. All GensAce batteries offer superior cell matching at the factory, and are extremely consistent in selecting matched cells after each and every batch produced. Additionally, low internal resistance (IR), offers modelers stable voltage output through the whole duration of the battery.

Features:
Specifications:
Capacity: 6000mAh
Voltage: 15.2V 
Discharge Rate: 130C
Max Burst Discharge Rate: 260C
Weight: 447g
Size: 139mm x 47mm x 37mm (L x W x H)
Connector Type: 5.0mm bullet