Dragino LDS03A, Manual

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LDS03A Outdoor Open/Close Door Sensor
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4.3.2 Replace the battery
You can change the battery in the LDS03A.The type of battery is not limited as long as the
output is between 3v to 3.6v.
The default battery pack of LDS03A includes an ER18505 plus super capacitor. If user can
’ t
find this pack locally, they can find ER18505 or equivalence, which will also work in most
cases. The SPC can enlarge the battery life for high-frequency use (update period below 5
minutes)