Tattu R-Line 1700mAh 6S 160C V6 SQ is a top-tier lipo battery for racing and freestyle. The R-Line series is designed specifically for high-performance racing quads to meet even the most demanding applications. Compared to the previous generation, the V6 has smaller dimensions and lower weight.
The "SQ" (Suqare) version has a shorter and wider shape.
Before use, read Safety Guidelines for Using Lipo Batteries.