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Batteries & Adapters

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Door/Window Sensor & Remote Battery (For STS-3xx & STS-8xx Alarms)
Item #: STS-BATTA23
These are replacement batteries for our remotes, door, and window sensors, part number STS3-DORA, STS3-DORB, and STS3-REMA. These batteries have a shelf-life of 3-5 years and will last approximately 1 year once they are installed in our door sensors.
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Website Price: $1.99
Ebay/Amazon Price: $2.99 Save 33%
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Replacement 9v Power Adapter (For STS-3xx Alarms)
Item #: STS3-PWR9A-KPD1
This is a replacement 9 volt power adapter for our LED alarm systems.
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Website Price: $9.95
Ebay/Amazon Price: $10.95 Save 9%
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Replacement Rechargeable Battery (For STS-3xx Keypads Only)
Item #: STS3-BATT300
This is a replacement rechargeable battery for our STS-3xx keypads. It should be clearly noted this battery is already included with our keypads. If your original battery goes bad, you can replace it with this part.
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Website Price: $9.95
Ebay/Amazon Price: $10.95 Save 9%
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UPS 9-Volt Power Adapter w/ Built-In Battery (For Glass Break Detector)
Item #: STS3-PWR9-GLSS
** This item is already included with our glass break detectors. **

This 9-Volt power adapter has a built-in backup battery to protect against power outages, brownouts, and to help regulate the power to your alarm. This power adapter is compatible with our glass break detectors and has 2-wire leads at the end of it.
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Website Price: $13.95
Ebay/Amazon Price: $14.95 Save 7%
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UPS 9-Volt Power Adapter w/ Built-In Battery (For STS-300 Alarms)
Item #: STS3-PWR9B-KPD1
This 9-Volt power adapter has a built-in backup battery to protect against power outages, brownouts, and to help regulate the power to your alarm. This power adapter is generally used to extend the life of your alarm as well as to extend the backup battery time during a power failure.
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Website Price: $14.95
Ebay/Amazon Price: $15.95 Save 6%
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UPS 9-Volt Power Adapter w/ Built-In Battery (For STS-3xx Wireless Sirens)
Item #: STS3-PWR9-SRN
** This item is already included with our wireless sirens. **

This 9-Volt power adapter has a built-in backup battery to protect against power outages, brownouts, and to help regulate the power to your alarm. This power adapter is compatible with our wireless sirens and has a quick release plug end on it.
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Website Price: $13.95
Ebay/Amazon Price: $14.95 Save 7%
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