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The Panasonic CR-123APA/5S is a 3-volt CR123A lithium primary battery sold in a five-pack. CR123A cells are a standard cylindrical format widely used in high-drain and low-drain applications alike. Lithium chemistry delivers stable voltage output across a broad temperature range, making these cells reliable in both indoor and outdoor equipment. Electricians, security installers, HVAC technicians, and pool service pros commonly stock CR123A batteries to power thermostats, wireless sensors, smoke detectors, and handheld test instruments.
CR123A batteries fit a wide range of professional and residential equipment including wireless security system sensors, programmable thermostats, water leak detectors, carbon monoxide alarms, and electronic ignition systems. The 3-volt lithium format is required by many device manufacturers where alkaline cells cannot meet current draw or operating temperature requirements. This five-pack format is suited for service technicians who carry spare cells during field service calls.
Designed as a standard CR123A 3-volt lithium replacement cell for devices specifying the CR123A battery format.
Battery replacement requires no special tools or licensing. Observe correct polarity when inserting cells, following the markings inside the battery compartment. Dispose of spent lithium batteries in accordance with local regulations — do not incinerate or puncture. Store unused cells in a cool, dry location away from metal objects that could cause a short circuit.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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