Saft LS-26500 — Long-Life Lithium-Thionyl Chloride Power for Demanding Environments

The Saft LS-26500 is a high-capacity lithium-thionyl chloride (Li-SOCl₂) primary cell engineered for devices that require years of maintenance-free operation. Known for its ultra-low self-discharge, exceptional energy density, and stable voltage, this C-size battery is built to perform in applications where reliability is non-negotiable. Its cylindrical steel casing, high-quality seals, and proven Saft manufacturing make it a dependable choice for industrial, utility, and remote monitoring equipment worldwide.

Key Advantages

• Ultra-long service life: Extremely low self-discharge rate enables operation for 10+ years in many applications.
• High energy density: Provides maximum capacity within a compact C-size form factor.
• Wide temperature range: Operates reliably in environments from subzero cold to intense heat.
• Stable voltage output: Consistent performance throughout most of its life cycle.
• Maintenance-free design: Ideal for equipment installed in remote or hard-to-reach locations.

Common Applications

• Utility metering and smart grid devices
• Security and alarm systems
• Industrial automation controllers
• Tracking devices and asset management systems
• Environmental monitoring sensors

Technical Overview

Form Factor	C-size (approx. 26 mm × 50 mm)
Chemistry	Lithium-Thionyl Chloride (Li-SOCl2)
Type	Primary (non-rechargeable)
Voltage	Stable nominal voltage throughout discharge
Service Life	10+ years in low-drain devices

Why Li-SOCl₂ Chemistry?

Lithium-thionyl chloride cells offer unmatched energy density and longevity for low-drain and standby applications. This chemistry is perfect for devices that need to operate for many years without intervention, making it the go-to choice for metering, monitoring, and backup power.

Integration Tips

• Match device cutoff voltage to battery specifications.
• Ensure holders maintain secure electrical contact.
• Protect against reverse polarity and short circuits.
• Validate performance at expected temperature extremes.

Storage & Handling

• Store in a cool, dry location.
• Use original packaging for mechanical protection.
• Follow FIFO rotation for inventory management.

Conclusion

The Saft LS-26500 is built for engineers and operators who need proven, long-lasting, maintenance-free power. From industrial systems to critical monitoring devices, it delivers reliable energy year after year.