1. Introduction
This manual provides essential information for the safe and effective use of your ELKRON SAFT LSH 20 Lithium Batteries. These primary lithium-thionyl chloride batteries, rated at 3.6V and 13Ah, are specifically designed for compatibility with various ELKRON wireless alarm systems, including models such as WL31, HP30WL, UWL31 central units, and UPH30WL outdoor sirens. Please read this manual thoroughly before installation and operation.
2. Safety Information
Observe the following safety precautions to prevent injury or damage to your equipment:
- Do Not Recharge: These are primary (non-rechargeable) batteries. Attempting to recharge them may cause leakage, fire, or explosion.
- Correct Polarity: Always install batteries with the correct polarity (+ and -) as indicated on the battery and the device. Incorrect installation can damage the device.
- Avoid Short Circuits: Do not short-circuit the battery terminals. This can lead to excessive heat, fire, or explosion.
- Temperature Exposure: Do not expose batteries to extreme temperatures (high or low), direct sunlight, or fire.
- Disposal: Dispose of used batteries according to local regulations. Do not dispose of batteries in household waste or fire. The crossed-out wheeled bin symbol indicates separate collection for electrical and electronic equipment.
- Keep Out of Reach of Children: Batteries can be a choking hazard and contain hazardous materials.
- Do Not Disassemble: Do not attempt to open, puncture, or modify the battery.
3. Product Overview
The ELKRON SAFT LSH 20 battery is a high-performance lithium-thionyl chloride cell designed for long-term power in critical applications such as alarm systems. It offers a stable voltage output and high energy density.

This image displays the ELKRON SAFT LSH 20 lithium battery, highlighting its cylindrical shape and the attached two-pin connector, which is used for connecting to compatible alarm systems.
Key Features:
- Voltage: 3.6 Volts
- Capacity: 13 Ampere-hours (Ah)
- Chemistry: Primary Lithium-Thionyl Chloride
- Dimensions: Approximately 61mm (height) x 33mm (diameter)
- Compatibility: Designed for ELKRON wireless alarm systems (e.g., UWL31 central unit, UPH30WL outdoor siren) and Silentron systems (e.g., WL31, HP30WL).
4. Setup and Installation
Follow these steps to install the batteries in your compatible ELKRON alarm system:
- Power Off System: Before beginning, ensure your ELKRON alarm system or device is completely powered off and disconnected from any external power sources.
- Locate Battery Compartment: Refer to your ELKRON device's specific manual to locate and open the battery compartment.
- Remove Old Batteries (if applicable): If replacing existing batteries, carefully remove them. Note their orientation for correct installation of the new batteries. Dispose of old batteries responsibly.
- Insert New Batteries: Insert the new ELKRON SAFT LSH 20 batteries, paying close attention to the polarity markings (+ and -) inside the compartment. Ensure the connector (if present) is properly seated.
- Quantity Requirement: Note that ELKRON wireless central units and outdoor sirens typically require the installation of a pair of these batteries for proper operation.
- Secure Compartment: Close and secure the battery compartment cover.
- Power On and Test: Reconnect your alarm system to its power source and power it on. Perform a system test as per your alarm system's instructions to ensure proper functionality.

A view of the ELKRON SAFT LSH 20 lithium battery, showing the red and black connecting wires extending from its terminal, ready for installation into a device.
5. Operating Instructions
Once correctly installed, the ELKRON SAFT LSH 20 batteries will provide power to your compatible alarm system. These batteries are designed for long-term, reliable performance. There are no specific operating steps for the batteries themselves beyond proper installation.
- The batteries will continuously power the device until their charge is depleted.
- Monitor your alarm system's display or indicators for any low battery warnings.
- When a low battery warning appears, replace the batteries promptly to ensure uninterrupted security.
6. Maintenance
Minimal maintenance is required for these batteries:
- Regular Checks: Periodically check your alarm system for low battery indicators.
- Replacement: Replace batteries as a pair when the system indicates low power. Always use new, compatible ELKRON SAFT LSH 20 batteries.
- Clean Contacts: Ensure battery contacts within the device are clean and free from corrosion. If necessary, gently clean them with a dry cloth.
- Storage: Store unused batteries in their original packaging in a cool, dry place, away from direct sunlight and extreme temperatures.
7. Troubleshooting
If you encounter issues after installing your batteries, consider the following:
- System Not Powering On:
- Verify that the batteries are inserted with the correct polarity.
- Ensure the battery compartment is securely closed.
- Confirm that the alarm system's main power switch is in the 'ON' position.
- Check if the batteries are new and not depleted.
- Short Battery Life:
- Ensure you are using genuine ELKRON SAFT LSH 20 batteries.
- Consult your alarm system's manual for potential system faults that might cause excessive power drain.
- Verify that the batteries were stored correctly before use.
- Intermittent Operation:
- Check for loose connections within the battery compartment.
- Ensure battery contacts are clean and free from debris.
If problems persist, refer to your ELKRON alarm system's specific troubleshooting guide or contact ELKRON customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | ELKRON |
| Manufacturer | SAFT |
| Model Name | LSH 20 |
| Battery Type | Primary Lithium-Thionyl Chloride |
| Voltage | 3.6 Volts |
| Capacity | 13 Ampere-hours (Ah) |
| Dimensions (approx.) | 61mm (height) x 33mm (diameter) |
| Number of Batteries (in pack) | 2 |
| Reusability | Non-rechargeable |
| Certifications | CE Mark, Crossed-out Wheeled Bin Symbol |
9. Warranty and Support
For warranty information or technical support regarding your ELKRON SAFT LSH 20 batteries, please refer to the documentation provided with your ELKRON alarm system or contact the retailer from whom you purchased the product. You may also visit the official ELKRON website for customer service contact details.