The fan is a true 2S HV component

a fire proof lid seal and wire ways allow access for charging wires

Single or 2-stage

Approximately 1

Want to add that extra level of detail to your SCA-1E Coyote or Ford F150 body

Protek R/C - 3S Supreme Power Li-Poly 35C Battery Pack (11.1V/2200mAh) (Blue Flame) ASC40104C The fan is a trueThis is the ProTek R C "Supreme Power" 3S 2200mAh, 35C Lithium Polymer battery pack. This lightweight 35C Li Poly battery pack was developed specifically as a high quality power source for the ProTek Blue Flame engine heater (PTK 4050). Plus, this light weight battery pack delivers true 35C discharge and 2200mAh capacity, and features a T Style connector installed on 12awg wire for an ultra low resistance connection, with a 4 pin XH type balance