&nbsp;Rechargeable batteries could work, but we recommend sticking with the standard AAA non rechargeable Alkaline Batteries as they are 1.5V each (3V total) vs the rechargeable battery being only 1.2V each (2.4V total). With the rechargeable battery having a lower voltage, the sensor would detect a low battery sooner, and could also reduce the wireless distance.&nbsp;
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MORE Q &amp; A Help for SENSORS
<ul>
<li style="margin-left:1.5em;"><a href="https://osigodirect.kb.help/sensor-information-max-distance-type-of-batteries-battery-installation/" target="_blank"><ins>SENSOR - Information: </ins><ins>Max Distance, type of Batteries &amp; Battery Installation </ins></a></li>
<li style="margin-left:1.5em;"><a href="https://osigodirect.kb.help/sensor-how-to-install-placement-tips-installation/" target="_blank"><ins>SENSOR - How to Install:</ins><ins> Placement Tips &amp; Installation </ins></a></li>
<li style="margin-left:1.5em;"><a href="https://osigodirect.kb.help/sensor-how-to-connect-to-alarm-how-to-add-or-re-add-sensors-with-smart-life-app/" target="_blank"><ins>SENSOR - How to Connect to Alarm: </ins><ins>How to add (or re-add) sensors with app using Smart Life App</ins></a></li>
<li style="margin-left:1.5em;"><a href="https://osigodirect.kb.help/sensor-connection-issues-open-door-warning-stuck-not-connecting-troubleshooting-tips/" target="_blank"><ins>SENSOR - Connection Issues:</ins><ins> Open door warning stuck, not connecting &amp; troubleshooting tips </ins></a>&nbsp;&nbsp;</li>
</ul>

 Rechargeable batteries could work, but we recommend sticking with the standard AAA non rechargeable Alkaline Batteries as they are 1.5V each (3V total) vs the rechargeable battery being only 1.2V each (2.4V total). With the rechargeable battery having a lower voltage, the sensor would detect a low battery sooner, and could also reduce the wireless distance. 
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MORE Q & A Help for SENSORS
SENSOR - Information: Max Distance, type of Batteries & Battery Installation 
SENSOR - How to Install: Placement Tips & Installation 
SENSOR - How to Connect to Alarm: How to add (or re-add) sensors with app using Smart Life App
SENSOR - Connection Issues: Open door warning stuck, not connecting & troubleshooting tips   

Could I use rechargeable batteries with the PIR Motion Sensor for the OSI Alarm System?

What forms of payment does osigodirect.com accept?

Are the OSI-HDKITDL5MP-4 Cameras POE?

Does the OSI Alarm System Monitor Temperature?

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Does the OSI Alarm support wired zones? If so does it include the connector & How do you use it?

Why is the video from the OSI Video Doorbell freezing on the app?

is the OSI Smart Alarm System a standalone alarm system?

Does OSI Go Direct offer installation services?

Can I use the Smart Life app on my PC?

How does the OSI GO MOBILE app on the phone connect when I am outside the local network ?

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Can you connect a wi-fi camera to the OSI Smart Alarm System?

How to add more than one wireless strobe siren to the OSI Alarm System

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What is your processing time?

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Does the OSI Wireless Alarm System monitor temperature?

How secure is the OSI Alarm System?

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Can you add more cameras to the OSI 4K IP 4 Camera NVR Security System?

Does the OSI Doorbell use the same App as the OSI Alarm System?

Why does the Wireless OSI 4K IP NVR System need to connect to my Wi-Fi Router?

Where can I download the User Manual for the OSI Alarm System (4G/GSM model)?

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Copy of Where can I download the User Manual for the OSI Alarm System (GSM model)?

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How to reset Mini Camera, Floodlight Camera, Bullet Camera

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How to connect the Smart Life app with Alexa to view a live feed of your OSI Wi-Fi camera

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How to set up the PIR motion detector if you have pets

Hi, how can we help?