Replacement Track-It™ Extreme Hi-Temp Battery (3B5700 ½ AA Lithium Sulfuryl Chloride 3.9V 800mAh High Temperature (150 °C) battery) for Track-It™ Extreme Temperature Data Loggers.

Includes 1 replacement O-ring seal

For details on how to replace the battery, consult the Track-It™ Extreme Temperature Data Loggers Instruction Manual.