Note: These instructions are for Chameleon Wi-Fi Reader hardware version FR3 and above. The model is printed on the back of the reader. For older models, please use these instructions.
The Chameleon Wi-Fi Reader is powered by a Lithium-Ion battery.
The battery voltage will range from around 4.15V fully charged down to 2.9V fully depleted. A fully charged battery will last about 5 months while uploading data via Wi-Fi every two hours.
When using the Wi-Fi Reader manually, the battery level is displayed on the screen.
When the battery level drops below 3.5V a warning is displayed on the screen "Battery x.xV Charge"
When using the Wi-Fi Reader via Wi-Fi, the battery level is uploaded along with the sensor data and can be seen on via.farm by clicking the visualisation three times.
Charge the battery when it drops below 3.5V.
|A USB charger|
|A Micro USB charging cable
Used by most Android phones
Capacity: 2600mAh or 9.6Wh
Our Wi-Fi Reader shares the same 18650 Lithium-Ion battery technology with the Tesla electric vehicle. The difference is that while our Wi-Fi Reader contains one cell, the Tesla contains 6,800 cells!