Replacement Battery for Older, Square-box Data Loggers | Onset's HOBO and InTemp Data Loggers
Amazon.com: OmniCel ER22G68 3.6V 0.4Ah Bel Cell Waffer Lithium High Energy Battery Replaces Tadiran TL-4986 TL-5186 For Use With OBU Tollgate Reading Device, Security Alarm, Computer Remote Sensors,Tracking Buoys : Health &
TL-5186 Datasheet by Tadiran Batteries | Digi-Key Electronics