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Ring Alarm Motion Detector (1st Gen) battery: CR123A

The Ring Alarm Motion Detector (1st Gen) takes one CR123A 3V battery.

CR123A

CR123A× 13V battery

Also sold as CR17345, DL123A, EL123AP, RL123A · CR123A details

Source: Ring Alarm Motion Detector (1st Gen) support page

Energizer 123 lithium at Amazon for CR123A 3V lithium battery (affiliate link, opens in new tab)Duracell CR123A at Amazon (affiliate link)

Before you swap it

    Quick answers

    What battery does the Ring Alarm Motion Detector (1st Gen) take?

    One CR123A 3V battery.

    Is CR17345 the same as CR123A?

    Yes. CR17345, DL123A, EL123AP and RL123A are all the same cell as CR123A, sold under another name.