What batteries are used in the DRI Sleeper excel

The DRI Sleeper excel uses 4 x LR44 button batteries. These are available at good electronics stores, supermarkets and home improvement stores.

To change the batteries in the DRI Sleeper excel simply open the alarm by inserting a thin object between the raised edges on the alarm case. Remove the old batteries and insert the new batteries with the positive terminals facing the direction indicated on the casing.

For ease of replacement insert the first 3 batteries then gently insert the fourth battery under the first battery or between the second and third batteries. Make sure the batteries are firmly in place. 

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