User Manual
August 24, 2021
AT-105/TP-100-TH
9
BATTERY INSTALLATION AND REPLACEMENT
The sensor is powered from a single CR2450 Lithium / Manganese Dioxide (Li/MnO2) baery.
Under normal operaon, the internal baery should last for between 1.5 to 2 years using the default
reporng interval of 5 minutes.
If a sensor fails to broadcast, one of the LEDs no longer lights when pressing the push buon, or the
sensor appears to connually reset, the baery should be replaced.
RECOMMENDED BATTERY PART NUMBERS
The following baery manufacturers are recommended by Electronics4All Inc.
Manufacturer
Part Number
Capacity
Energizer
ECR2450
620 mAh
Sony / Murata
CR2450
610 mAh
Panasonic
CR-2450EL
620 mAh
CR2450 baeries from other manufacturers may be used, however it should be noted that their
capacity may be lower and/or the internal impedance of the baery may be higher, both of which will
result in a reduced runme of the baery compared to those in the above table.
REPLACEMENT INSTRUCTIONS
1
Remove the two (2) 4-40 Phillips machine
screws on the sides of the enclosure.
2
Li o the lid of the enclosure.
3
It is recommended to li o the push
buon top and set it aside, as it may fall
o when removing the baery.
4
Pry up the baery at the far end of the
baery holder. It is recommended to use
a non-metallic tool.