The 3250mAh 7.4V 2S 55C LiPo battery is part of Overlander's hard cased Sport Track range. This range is specifically designed with car and buggy users in mind. The lithium battery pack is enclosed by a hard shell, thus offering extra protection from any bumps and vibrations. The entire Sport Track LiPo range are BRCA ( British Radio Car Association) a pproved. This grants the user 100% confidence when purchasing from this range. The weight and dimensions of these packs make them perfect for your racing cars and buggies! Sporting high constant discharge rates these LiPo batteries give you the power and durability to achieve a performance you’re sure to be impressed by!