Pet Tracker Battery Life and Meaningful Runtime Tests

Two pet trackers can list the same battery capacity and still need charging at different times. For a brand comparing samples, the useful question is what each device was doing before the battery ran low. A runtime result becomes meaningful when the operating routine and the stopping point travel with it.

Capacity needs a workload

A capacity figure in milliamp-hours describes charge, not a fixed number of days. The device's current draw and the time spent drawing it determine how that charge is used. A quiet sample on a desk and one sending frequent location reports aren't equivalent workloads.

Texas Instruments demonstrates this relationship in its TIDA-00484 wireless sensor design guide. Its battery-life calculation includes active current and active duration alongside the time spent switched off. That example concerns a sensor node, not a pet tracker, but the accounting principle is useful: brief activity and long pauses both belong in the calculation. Its runtime figures cannot be transferred to another product.

Put the tracking routine beside the result

QCOOL's QC-01 pet GPS tracker lets users adjust location update time and power-saving options in the app. The product page says a longer update interval lowers battery consumption. It doesn't give a guaranteed number of operating days for each setting.

For a sample comparison, write down the selected interval and how the device spends the day. A routine with an outdoor walk followed by time at home represents a different workload from continuous active tracking. Run the same planned routine on the units being compared, using the same supported settings where possible. Record the network and test location too.

The radio's state matters. Nordic Semiconductor's LTE-M and NB-IoT teaching material explains that an actively communicating radio uses more power than one in an idle state. This illustrates why time connected to a network cannot be treated as time continuously transmitting. It does not establish which radio or sleep mechanisms QC-01 uses.

A standby result still has value if its conditions are clear. Keep it labelled as standby; it cannot by itself establish runtime during repeated location reporting.

Keep the stopping point consistent

Decide whether the test ends at a low-battery warning or when the device stops reporting. Those events answer different questions. Start each run from the same defined charge condition, and retain the firmware version with the result so a changed setting or build doesn't disappear into the comparison.

Repeat the routine and retain individual results, including interrupted runs. One unusually long run is a weak basis for an everyday charging claim. A useful report ties elapsed time to the actual workload and endpoint. Without those details, two numbers expressed in days may describe different tests.

References

QC-01 OEM ODM 4G Pet GPS Tracker

Humidity and Temperature Sensor Node for Sub-1GHz Star Networks Design Guide

Power saving techniques