Tycon Power Systems TP3000WC Operation Manual page 65

2. Clean the solar radiation sensor and solar panel every 3 months with
a damp cloth.
3. Replace batteries every 1-2 years. If left in too long, the batteries
may leak due to environmental challenges. In harsh environments,
inspect the batteries every 3 months (when cleaning the solar panel).
4. When replacing the batteries, apply a corrosion preventive
compound on the battery terminals, available at Amazon and most
hardware stores.
5. In snowy environments, spray the top of the weather station with
anti-icing silicon spray to prevent snow build up.
8000060 Rev 3 19-Feb-19 65 TyconSystems.com