Battery for Extech BATT-37V VIR 50 VIR50 Dual-Laser IR Video Thermometer BATT37V $19.59 $59.99 Battery for Extech BATT-37V VIR 50 Compatible with the following devices VIR 50, VIR50 Dual-Laser IR Video Thermometer Compatible with Battery Part Numbers BATT-37V Add to Cart