AM Lipo 5200mAh 2S TC Ultra Low Profile - 7.4V 55C constant 110C Burst 5mm (Si-Graphene) The latest and latest Arrowmax Red Series battery pack AM-700712 will be the cheapest profile pack in the market which is only 19.5mm dense for lower center of gravity, not as weight which just 237g. This Red Series battery pack also features Silicon Graphene technology, that can be distinguished for increases in duration life & effectiveness. This is certainly very effective in modified race especially inside small track. As always, this provides you well balance of power, sufficient capability, and low interior opposition. Lighter directions is currently a trend in Touring races, current LCG can be to thick to some regarding the users. This 19.5mm dense ultra low profile pack is perfectly designed for those racers concern of height and traction roll issue. The minimize high and weight will certainly satisfy them.