Ontech Backup battery keeps the device alive when power fail occur. Fits the models Ontech GSM 9020, 9025, 9030, 9035 and 9040.
The software for the devices supports alarms in case of power failure.
Functions
- Lithium ion battery 3,7 volt 1000 mAh.
- Are buult-in in the models 9025, 9035 och 9040.
- Can also connect to models 9020 and 9030
- Necessary for the power failure alarm function.
- Keeps the device alive 10 to 20 hours after power failure.
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