It takes 2 × CR2032: a coin battery, about the size of a nickel.
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You’ll need: None
Slide or unscrew the little battery door.
Take out the old one and put the new one in matching the “+” mark.
Close the door and switch it on.
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A new battery usually lasts about a year in this device.
That’s around October 2027.
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It takes 2 × CR2032, a coin battery.
Yes. DL2032, ECR2032, 5004LC are the same battery with other names.
Usually about a year, depending on how much you use it. Most devices warn you when it gets low.