Electronic ballastInput Voltage Range: 8.5~18V DCOperating Voltage: 13.5V DC TypicalInput Current: 3.2A DC(13.5V DC IN)Output Power: 35W±1W Constant PowerOutput Frequency: 400Hz±10HzOutput Voltage: 85V±17V AC True RMS Square WaveOperating Temperature: -40oC~+105oCStorage Temperature: -40oC~+105oCEfficiency: >83% With Input 13.5V DC Condition