Portable CO Detector 3-in-1 Carbon Monoxide Detector, Kentfaith Alarm Temp/Humidity Detector with Lanyard and Magnetic Suction Function, Mini CO Monitor with 1000mAh Battery, for Home/Travel/Outdoor
SKU: GW40.0008
Q
How long do the battery's last?
Answer Question
A
I don't know. I sure it depends on how much it is used. I have had mine over a year and working well.