Lipo Batteries 6250mAh 2S 7.4v 30C SUPERSPORT- SKU 27796250mAh 2S 7. 4v 30C LiPo Battery Overlander Supersport SuperSport 6250mAh 2S 7. 4v 30C is part of our new SuperSport range. This new range offers the same reliability and quality of the Sport range, but with an improved discharge rate, giving you more power for your models! All Overlander SuperSport 30C LiPo cells are manufactured using the "STACKING" method, unlike many of the cheaper Chinese imports which are manufactured using the "WINDING"