Tadiran TL-5902/S 3.6V 1/2 AA 1.2 Ah Lithium Battery (ER14250)

SKU: 70154


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  • Voltage: 3.6 Volt
  • Capacity: 1.2 Ah
  • Size: 1/2 AA
  • Chemistry: Lithium Thionyl Chloride (Li-SOCI2)
  • Brand: Tadiran
  • Termination Style: Button Top
  • Shelf Life: 10+ Years
  • Maximum Recommended Continuous Current: 50 mA
  • Maximum Pulse Current Capability: 100 mA
  • Diameter (max): 14.5 mm (0.57 in)
  • Height (max): 25.2 mm (0.99 in)
  • Typical Weight: 9.6g (0.39 oz)


  • High operating voltage, stable during most of the application lifetime
  • Some of the highest nominal capacities on the market today
  • Excellent reliability over extended operating life
  • Operating Temperature Range: -60°C/+85°C (-76°F/+185°F)
  • Low self-discharge rate (less than 1% after 1 year of storage at + 20°C)
  • Excellent resistance to humid environments
  • Low magnetic signature
  • Non-flammable (and non-pressurized at ambient temperature) inorganic (but corrosive) electrolyte
  • Less than 1% capacity loss during storage at ambient temperature before use

Compatible With

  • Tadiran TL-4902
  • Tadiran TL-2150
  • Tadiran TL-5101
  • Tadiran TL-5902
  • Tadiran TL-5111
  • Saft LS-14250
  • Saft LS-14250c
  • Toshiba ER3v
  • Sonnenschein SL-350/S
  • Sonnenschein SL-750/S
  • Sonnenschein SL-150/S
  • 14250


  • This battery is not rechargeable. Do not try to recharge.
  • The storage area should be clean, cool (not exceeding +30 Deg C ), dry and ventilated.
  • Don't use different models of battery in series.
  • Soldering the tab should be finished in few seconds.
  • Do not use if the battery casing was mangled.


TADIRAN TL-5902/S 3.6V 1/2 AA 1.2 AH LITHIUM BATTERY (ER14250)

Unleashing Efficiency: Exploring the Tadiran TL-5902/S Lithium Battery (ER14250)


In the fast-paced world of electronics, the Tadiran TL-5902/S Lithium Battery emerges as a beacon of reliability and efficiency. With a robust voltage of 3.6 volts and a capacity of 1.2 Ah, this 1/2 AA-sized powerhouse is redefining standards in energy storage. 


Unmatched Specifications and Performance

Voltage and Capacity:
Operating at a stable 3.6 volts, the TL-5902/S ensures consistent power delivery throughout its lifespan. Boasting a capacity of 1.2 Ah, it offers substantial energy reserves for various applications, from low to moderate power requirements.

Chemistry and Termination Style:
Powered by Lithium Thionyl Chloride (Li-SOCI2) chemistry, this battery guarantees exceptional reliability over an extended operating life. Its button top termination style facilitates easy installation, ensuring seamless integration into diverse devices and equipment.

Dimensions and Weight:
Compact yet powerful, the TL-5902/S measures 14.5 mm in diameter and 25.2 mm in height, striking a perfect balance between size and performance. With a typical weight of 9.6g, it remains lightweight while delivering reliable power reserves.

Maximum Current Capabilities:
With a maximum recommended continuous current of 50 mA and a pulse current capability of up to 100 mA, this battery ensures reliable performance even in high-demand scenarios, making it suitable for a wide array of applications.


Key Features Setting the TL-5902/S Apart

Extended Shelf Life:
With a shelf life exceeding 10 years, the TL-5902/S surpasses industry standards, ensuring long-term reliability and usability, thus minimizing maintenance costs and enhancing operational efficiency.
Low Self-Discharge Rate:
Boasting a low self-discharge rate of less than 1% after 1 year of storage at +20°C, this battery minimizes energy wastage during storage periods, guaranteeing maximum efficiency when deployed.
Excellent Resistance to Humidity:
Its superior resistance to humid environments ensures reliable operation even in challenging conditions, making it an ideal choice for outdoor and industrial applications where moisture is a concern.
Low Magnetic Signature:
With a low magnetic signature, the TL-5902/S minimizes electromagnetic interference, ensuring optimal performance in sensitive electronic devices and systems.
Non-Flammable and Non-Pressurized Design:
Featuring a non-flammable and non-pressurized inorganic electrolyte, this battery guarantees safety and peace of mind during operation and storage, mitigating the risk of accidents or hazards.

Applications Across Industries

The versatility and performance of the TL-5902/S make it indispensable across a wide range of industries, including:

Wireless Sensors and Telemetry Systems: Remote monitoring, data logging, and asset tracking.
Security and Surveillance: Alarm systems, access control devices, and CCTV cameras.
Medical Devices: Remote patient monitoring, drug delivery systems, and portable diagnostic equipment.
Industrial Automation: Process control, instrumentation, and data acquisition systems.
Oil and Gas Exploration: Downhole logging tools, pipeline monitoring, and seismic sensors.

Competitive Landscape and Alternatives

While the TL-5902/S stands out with its exceptional performance and features, several alternatives exist in the market, including:

Tadiran TL-4902, TL-2150, TL-5101, and TL-5111
Saft LS-14250 and LS-14250c
Toshiba ER3v
Sonnenschein SL-350/S, SL-750/S, and SL-150/S
Generic 14250 batteries

Efficiency Redefined with Tadiran TL-5902/S

The Tadiran TL-5902/S Lithium Battery represents a pinnacle of efficiency and reliability in energy storage technology. With its unmatched specifications, innovative features, and diverse applications, it continues to drive innovation and power the technologies of tomorrow. Whether deployed in wireless sensors, security systems, or medical devices, the TL-5902/S stands as a testament to excellence, ensuring seamless operation and unparalleled performance in even the most demanding environments.



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