Echoflex Sensors with batteries
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Question
Which Echoflex control products need a battery or have a battery option? What battery do these products use?
Answer
Many Echoflex Sensors support an optional battery power source in addition to their primary solar power source, and a few control products require batteries. A full chart of equipment that can or needs to use a battery is below. While you can purchase these batteries via your ETC dealer, you can also find any of these batteries at your local hardware store.
| Equipment | Optional Battery | Required Battery | Battery Type |
|---|---|---|---|
| KSS-UW Keycard Switch | X | CR2032 | |
| MBI Multi-Button Interface Switch Station | X | CR2032 | |
| MC-31 Window Door Switch | X | CR2032 | |
| MOS-DT Motion Occ/Vac Sensor Dual Tech | X | CR2032 | |
| MOS-IR-A Motion Occ/Vac Sensor PIR 1000sqft | X | CR2032 | |
| MOS-IR-B Motion Occ/Vac Sensor PIR 1900sqft | X | CR2032 | |
| MOS-IR-C Motion Occ/Vac Sensor PIR 6300sqft | X | CR2032 | |
| MOS-MT IoT Sensor | X | CR2032 | |
| OWS-BTY Wall Switch Sensor w/ Battery (PIR and Dual-Tech)** | X | 2x AA Energizer Lithium | |
| RCS Occupancy Sensor (PIR and Dual-Tech) | X | CR1632 | |
| ROS Resonate Occupancy Sensor | X | CR2032 | |
| RVS Vacancy Sensor (PIR and Dual-Tech) | X | CR1632 | |
| TAP-21 Light/Photo Sensor | X | CR2032 | |
| TAP-31 Light/Photo Sensor | X | CR1632 | |
| TAP-41 Light/Photo Sensor | X | CR1632 | |
| WTC Wireless Time Clock | x | CR2032 |
**Note: regarding the OWS-BTY: this is the battery-powered variant of this equipment. There is another variant that uses line voltage, but it is a different piece of physical hardware.
**Note: The MOS holds a full charge for up to 7 (DT) or 9 (PIR) days in complete darkness. The RVS/RCS holds a full charge for 2-5 minutes. Because of this, it necessary for the RVS/RCS to have a CR1632 battery for Auto ON operation. The RCS is identical to the RVS with the addition of a battery to provide power for support of auto-on occupancy sensor applications.
**Note: A CR2032 coin battery must be installed in the MOS-IR-xC sensor for use in high bay applications.