Tadiran SL-761PR Lithium battery 2/3 AA with 3.6 V and 1.5 Ah, with radial pins

The Tadiran SL-761PR is a primary high-performance lithium thionyl chloride battery in the compact size 2/3 AA. As part of the proven SL-700 series, it is optimised for maximum reliability and an extremely long service life with minimal self-discharge. This version is pre-assembled with radial pins for direct and secure mounting on circuit boards. With a nominal voltage of 3.6 V and a capacity of 1.5 Ah, it is the ideal energy solution for professional "fit and forget" applications.

Highlights at a Glance

• Maximum longevity: Extremely low self-discharge of under 1% per year.
• For PCB mounting: Pre-assembled with radial pins for direct installation.
• Reliable capacity: 1.5 Ah in compact 2/3 AA size.
• High nominal voltage: Stable voltage of 3.6 V for almost the entire lifetime.
• Wide temperature range: Reliable operation from -55 °C to +85 °C.

Powerful in a Range of Applications

The Tadiran SL-761PR was specifically developed for long-term applications with low continuous current, where the battery is firmly integrated into the electronics. The radial pins allow specific and space-saving placement on the board. Its main areas of use include memory backups (RTC, CMOS) in industrial control units (PLC), meter technology (metering for water, gas, electricity) as well as long-lasting security technology and alarm systems.

Engineered for Maximum Safety and Efficiency

The safety and longevity of the SL-761PR are based on Tadiran’s proven design. The cell features a hermetic glass-to-metal seal that reliably prevents electrolyte leakage. The inorganic electrolyte used is non-flammable and provides a high intrinsic safety. Each cell is designed to supply its energy consistently and safely over a very long period, minimising maintenance costs and reducing the total operating costs of your application.

Superior Lithium Thionyl Chloride Technology

The lithium thionyl chloride technology (Li-SOCl₂) of the SL-700 series is the gold standard for long-term applications with low current requirements. A distinctive feature is the passivation effect: a thin protective layer forms on the lithium anode, which minimises self-discharge to an absolute minimum and enables extremely long storage and operating times. This ensures that the energy is reliably available even after many years.

FAQs about this Tadiran battery

What does the connection with "radial pins" mean?

In contrast to axial connections, which exit from the centre of the terminals, radial pins are arranged so that they exit from one end face of the battery. This configuration is optimised for specific layouts on printed circuit boards (PCBs) and allows particularly stable and defined mounting of the cell.

What is the advantage of the SL-700 series over other series?

The SL-700 series is optimised for the absolute lowest self-discharge. It is the best choice for applications that require very little current over many years, such as memory backup in computers. In contrast, other series (like the SL-300 iXtra) are designed for applications with higher pulse current requirements.

For which devices is this battery type suitable?

This type of battery is ideal for professional electronics where the battery is permanently soldered and an extremely long service life is essential. Typical applications are meters, industrial computers, alarm systems and long-lasting sensors with specific board layouts.

Is this battery rechargeable?

No, this is a primary lithium battery and must not be recharged under any circumstances. Attempting to charge the cell is dangerous and can cause overheating, leakages or bursting of the cell.

What does the passivation effect mean for this battery?

After prolonged storage, a protective layer forms on the lithium surface. This layer is the reason for the extremely low self-discharge. Upon first load, it can cause a brief voltage delay. This should be considered in circuit design for applications that require current immediately after activation.