Carbon Monoxide Alarms with 10 Years of Battery Life
10-year battery-life carbon monoxide alarms all come with sealed-for-life lithium batteries These are ideal if you want the peace of mind of the longest-life solution. If you are worried about people taking batteries out for the remote control, or not confident you will check your alarm is in working order regularly, then a sealed-battery option will be best for you.
For even more peace of mind you could look to get a mains powered alarm with lithium battery back up.
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