Tattu R-Line Version 3.0 1050Mah/1550mAh 120C 4S1P/6S1P LiPo battery pack is the updated version of R-Line series in 2019. With More Punch, Lower Internal Resistance and Less weight, Tattu R-line V3 definitely dominate all your races. What is R-Line? R-Line is a brand new product line specifically designed for professional FPV racing competitions. It's the selling version of Toppilot batteries. It's also a subsidiary of the Tattu brand. It's got higher capacity, lower internal resistance, and lower landing temperatures. They are more powerful than any graphene battery. Generally, R-Line batteries have the same specs as our popular Toppilot batteries. There are different R-Line versions for the needs of different FPV racing competitions. Features: High quality, reliable power Stable automatic stacking technology enables single-cell capacities of 1550mAh Higher capacity than comparable size packs Very high C rate. Designed for professional FPV racing No memory effect. Local after-sales service (Located in Korschenbroich, DE) Specifications: Minimum Capacity: 1300mah/1550mah Configuration: 4S1P - 6S1P - 4/6Cells Discharge Rate: 120C Net Weight(±10g): 176g Dimensions:76mm x 38mm x 33mm (L x W x H) Charge Plug: JST-XHR Discharge Plug: XT60