A high capacity Lipo for your goggles with push button battery indicator. Also works well as a transmitter battery for the FrSKY QX7 (you'll need a barrel connector to charge it).
Specifications:
Capacity(mAh):2500
Voltage:7.4
Discharge Rate: No
Max Burst discharge Rate: No
Configuration: 2S1P
Net Weight: 102
Connector Type: DC5.5x2.1mm
Balancer Connector Type:JST-XHR-3P
Size: 73.7mm length x 38.1mm width x 18.6 mm height