Lead-acid battery thermostat installation
240KW/400KW industrial rooftop - commercial rooftop - home rooftop, solar power generation system.
When purchasing replacement batteries, make sure to check the expiration date and choose a reputable brand. Honeywell recommends replacing the batteries in your thermostat once a year, or when the low battery indicator appears on the thermostat display.. Replacing the Batteries in Your Honeywell Thermostat