Check the listing for details. Turnigy ENOS In-line Electronic Booster. Condition: New. Listed at 16.95 USD. Get some BOOST out of your car!Similar to the Kinetic Energy Recovery System (KERS) used in Formula One, the Turnigy ENOS Booster will pre-charge a small amount of power in the capacitors while the system is inactive. Once you activate the Booster (via spare radio channel), extra power will kick-in for a short period of time by increasing the voltage for the ESC.You can control the Boost in real-time by using the 3Ch button on the radio.Turnigy ENOS In-line Electronic Booster will give you a great advantage when you want to over-take your rival on the straight or have instant acceleration at the corner exit.Let's Boost-Up!!Specs:Input Voltage: 6-14v (2-3s LiPoly)Maximum Capacitor Charging Current: 3.5AMaximum Capacity Voltage: 3.5AFreezing Time (Vcap < 0.8V): 2 secondsFarad Capacity: 30FCharge Time: 20 SecondsSignal Pulse: >1300ms On, >1300ms OffWeight: 58gConnector: XT60 (male / female)