This is a Tattu 4S 45C 2300mAh LiPo Battery with a XT-60 connector. Tattu LiPo Batteries have been developed specially for the UAV and UAS market. Their slogan is "less is more" - "more" for more flight time, more enjoyment, and more satisfaction; "less" refers to the light weight and simple design. Tattu always develops their products according to these ideals, giving you a high quality battery. Tattu batteries are matched using an automatic computer matching process that ensures the battery stability and quality.
Features:
Stable automatic stacking technology enables single-cell capacities of 2300mAh.
The most strict single cell capacity, voltage, resistance, discharge curve matching process.
Superior Japan and Korea Lithium Polymer raw materials.
Specifications:
Capacity: 2300mAh
Voltage: 14.8V 
Discharge Rate: 45C
Max Burst Discharge Rate: 90
Weight: 224g
Size: 106 x 36 x 31mm
Connector Type: XT-60