AIR and SKY Battery Power Follow

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Powering  SKY / AIR

Solar Power Accessory for SKY

SKY is capable of running off solar power using the solar panel accessory. The solar power accessory is expected to provide 5 years of battery life with an internal lithium iron phosphate battery and up to 30 days of power on a full charge even in full overcast conditions. Low sun angle and minimal daylight hours alone are not an issue to keep the battery charged.

1. Make sure there are no batteries in SKY's battery compartment.
2. Align the arrows on the base of the SKY and top of the solar panel accordingly.
3. Attach the pole mount or flat base mount to the bottom of the solar panel.

Use in zones of prolonged low light or extreme cold

The solar power accessory was designed to keep your SKY charged even with a low sun angle and minimal daylight hours. Also, although charging of the battery does not occur when air temperatures are below 0°C/32°F (normal for the LiFePO4 battery), there is enough capacity in the battery to coast through a few weeks of sub-freezing temperatures.
In zones that experience many weeks of low light, zero light, or extreme sub-freezing temperatures, the solar power accessory may not be able to provide power to keep your SKY running in normal power mode. If you live in such a location, you may want to consider putting your SKY in power save mode during periods like this (go to settings > stations > your station > manage devices > your SKY > advanced). Another option is to use AA batteries instead of the solar power accessory. See below for instructions on using batteries.

SKY can be powered with eight (8) AA batteries.
Do not attach the solar power accessory if batteries are being used.

1. Twist off the pole mount or flat base mount of SKY (if attached).
2. Open the battery compartment.
3. Slide eight AA batteries into the battery compartment. All batteries in the SKY should face the same direction with the positive ends pointing towards the battery door.
4. Close the battery door. The LED/button should light up briefly, then go out.
5. Replace the pole mount.

AIR requires four (4) AA batteries.

1. Twist off the bottom cover of AIR.
2. Open the battery compartment.
3. Slide four AA batteries into the battery compartment. Make sure the batteries are inserted in the correct direction with the negative end touching the springs.
4. Close the battery door. The LED/button should light up briefly, then go out.
5. Replace the bottom cover by aligning the grooves and twisting clockwise until the base locks into place.

Battery Type

For outdoor environments subject to large temperature changes we recommend using lithium (not alkaline, not lithium ion or other rechargeable batteries) for longest expected life. Always use fresh batteries from the same pack to ensure optimal performance.

WARNING: DO NOT MIX ALKALINE WITH LITHIUM BATTERIES.

Battery Life Expectancy

AIR

Approximately 12+ months of battery life using Energizer ultimate lithium batteries. Replace threshold is 2.4 volts (when the lightning sensor will lose power) but temp, pressure, and humidity sensors will continue operating down to about 1.9 volts.

SKY
Approximately 8 months of battery life using Energizer ultimate lithium batteries. Enabling power save mode will increase battery life. Replace threshold is around 2.2 volts, sensors will continue operating down to 2.0 volts.

SPA (Solar Power Accessory for SKY)

5 years expected battery life using a LiFePO4 rechargeable battery and up to 30 days of power on a full charge with no additional solar input.

Battery Level Indicator

You can check the battery level for your device by viewing the status page for your station: In the app, go to Settings > Stations > (choose a station) > Status

Battery Card Display

You can display a device's battery voltage in the app. To enable a battery card indicator on the data display, go to Settings > Stations > (choose a station) > Advanced > toggle Enable Battery Card

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