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How to Calculate Battery Voltage into Percentage for Mictrack Devices

Some of the Mictrack tracking devices will report the GPS data with backup battery voltage, when you integrate them with your cloud server and want to calculate battery voltage into percentages, this post will help you.

MT700

Rechargeable version

For the MT700/MT700-W, the battery info is as follows:

≥4.2V: 100% battery level.
≤3.4V: Low battery alert (report BLP status to server)
≤3.3V: 3%-5% (the device will shut down, on the server also can think it is 0%)

Battery Voltage (V)Percentage (%)
4.2100
4.189
4.078
3.967
3.856
3.744
3.633
3.522
3.411
3.30
The reference table for MT700/MT700-W

In the original GPS data if the battery is “40” it means “4.0V”.

Non-rechageable version

For MT700-N/MT700-NW, the battery info is as follows:

≥4.5V: 100% battery level.

≤3.9V: Low battery alert (report BLP status to server)
≤3.6V: 0% (the device will shut down, on the server also can think it is 0%)

Battery Voltage (mV)Percentage (%)
≥4500100
443390
436780
430070
423360
416750
410040
403330
396720
390010
36000
The reference table for MT700-N/MT700-NW

1. This table is based on the Energizer L91
2. In the original GPS data if the battery is “4433” it means “4.433V”.

L91 Discharge Profile

MT710

For the MT710, the battery info is as follows:

≥4.100V: 100% battery level.
≤3.400V: Low battery alert (report BLP status to server)
≤3.200V: 3%-5% (the device will shut down, on the server also can think it is 0%)

Battery Voltage (V)Percentage (%)
4100100
400089
390078
380067
370056
360044
350033
340022
330011
32000
The reference table for MT710

In the original GPS data if the battery is “3885” it means “3.885V”.

Updated on March 23, 2024

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