This is the Tattu R-Line 5.0 1200mAh 150C 6S1P LiPo Battery Pack. What is R-Line? R-Line is specifically designed for professional FPV racing competitions. It's the selling version of Top pilot batteries. It's also a subsidiary of the Tattu brand. It's got higher capacity, lower internal resistance and lower landing temperatures. They are remarkably more powerful than other graphene batteries. Generally, R-Line batteries have the same specs as our popular Top pilot batteries. 

Features:  

• 22.2V, 150C, 1200mAh
• Stable automatic stacking technology.
• The most strict single cell capacity, voltage, resistance, discharge curve matching process.
• Recommended for high performance 250 size 3D and FPV racing drone applications.  
• Uses X technology AL Boehmite
• Higher consistency
• Resistance to voltage dropping