Abus GRWM30600 Manuel Utilisateur page 28

Information on the battery
The device is supplied with 3 V direct current from a built-in 3 V lithium battery.
The battery cannot be exchanged or recharged.
Certified batteries:
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Safety information
"EVE CR123A 3V Lithium Manganese Dioxide Battery"
"Pairdeer CR123A 3V Lithium Manganese Dioxide Battery"
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