Battery - Lithium 3V CR2 PIR Wireless Door Contact 27x15mm Part No: BA34-4
6 months – lifetime warranty
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The Lithium 3V CR2 Battery is a compact, high-performance power source designed for PIR wireless door contacts, motion detectors, and other security devices. Known for its stable voltage output and long shelf life, this battery ensures reliable operation of critical devices where consistent performance is essential.
With a compact 27x15mm size, the CR2 lithium cell is ideal for space-limited devices, offering high energy density while remaining lightweight. It delivers dependable power in both high-drain and low-drain applications, making it perfect for alarm systems and access control hardware.
Its lithium chemistry allows for excellent temperature tolerance, meaning it performs well in a variety of environmental conditions. This durability, combined with its long lifespan, helps reduce the need for frequent replacements, saving both time and maintenance costs.
Key Features
| Feature |
Description |
| Battery Type |
Lithium CR2 |
| Voltage |
3V |
| Application |
PIR wireless door contacts, detectors |
| Size |
27mm x 15mm |
| Long Life |
Extended operational lifespan |
| Reliability |
Consistent voltage output |
| Temperature Tolerance |
Operates in wide temperature ranges |
Technical Specifications
| Specification |
Detail |
| Battery Type |
CR2 Lithium |
| Nominal Voltage |
3V |
| Chemistry |
Lithium Manganese Dioxide (LiMnO₂) |
| Dimensions |
27mm (length) x 15mm (diameter) |
| Weight |
Approx. 11g |
| Capacity |
~750mAh (typical) |
| Shelf Life |
Up to 10 years |
| Operating Temperature |
-40°C to +60°C |
| Applications |
Wireless door contacts, PIR sensors, cameras |
