The Phantom 3 Intelligent Battery Heater is used to preheat the aircraft battery in air temperatures between -4℉ and 41℉ (-20℃ and 5℃). It uses the battery's power to raise the battery temperature to the optimal operating range: 41℉ to 95℉ (5℃ to 35℃). Using the battery heater ensures the safety and performance fo your aircraft.

 Intended Battery: PH3-4480mAh-15.2V 
 Operating Air Temperature: -20℃ to 5℃ 
 Cutoff Temperature: 35±5℃ 
 Power Rating: ＜30 W 
 Input Voltage: 12-17.4 VDC 
 Input Current: ＜1.72 A 
 Dimensions: 61 x 83 x 113 mm