User Manual

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LoRaWAN Door Sensor User Manual 19 / 22
5. Battery & How to replace
5.1 Battery Type and replace
LDS02 is equipped with 2 x AAA LR03 batteries. If the batteries running low (shows 2.1v in the
platform). User can buy generic AAA battery and replace it.
Note:
1) The LDS02 doesn’t have any screw, use can use nail to open it by the middle.
2) Make sure the direction is correct when install the AAA batteries.
Important Notice: Make sure use new AAA LR03 battery and the battery doesn’t have broken
surface.
Example of AAA LR03 batter:
5.2 Battery Life Analyze
Dragino battery powered products are all run in Low Power mode. User can check the guideline
from this link to calculate the estimate battery life:
https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_
Battery_Life_Guide.pdf