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Philips Hue Secure Contact Sensor battery: CR2

The Philips Hue Secure Contact Sensor takes one CR2 3V battery.

CR2

CR2× 13V battery

Also sold as CR15H270, DLCR2, KCR2, EL1CR2 · CR2 details

Source: Philips Hue Hue Secure Contact Sensor spec sheet

Energizer CR2 lithium at Amazon for CR2 3V lithium photo battery (affiliate link, opens in new tab)Duracell CR2 at Amazon (affiliate link)

Before you swap it

    Quick answers

    Which battery goes in the Philips Hue Secure Contact Sensor?

    One CR2 3V battery.

    Is CR15H270 the same as CR2?

    Yes. CR15H270, DLCR2, KCR2 and EL1CR2 are all the same cell as CR2, sold under another name.