AcuRite recommends NEW, HIGH QUALITY, NAME BRAND ALKALINE batteries for the bestmproduct performance.
In outdoor, low temperature conditions (below -4 degrees Fahrenheit / -20 degrees Celsius), AcuRite recommends NEW, HIGH QUALITY, NAME BRANDLITHIUM batteries for the best product performance.
Verify batteries are fresh. The battery expiration date should be at least 5 years in the future. Batteries can lose 3% of their power or more every year in storage.
Follow the polarity (+/-) diagram in the battery compartment.
DO NOT USE heavy duty, rechargeable or private label brand batteries. These batteries are not recommended due to fluctuations in the way these types of batteries disperse power.
DO NOT MIX old and new batteries or different types of batteries (brands, alkaline/lithium, etc.)
Battery Safety
Clean the battery contacts and also those of the device prior to battery installation.
Remove batteries from products which are not to be used for an extended period of time.
Promptly remove dead batteries from the device.
Dispose of used batteries properly.
DO NOT incinerate used batteries.
DO NOT dispose of batteries in fire, as batteries may explode or leak.