When you shop with us and buy Saft LO25SX, purchases can be returned within 30 days after placing your order.
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Model: |
LO25SX |
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Voltage: |
2.8 V |
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Nominal Capacity: |
8.0 Ah |
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Chemistry: |
Lithium-Sulfur Dioxide |
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Terminals: |
Multiple Terminations |
Lithium Battery Information Sheet
Product Overview
The Saft LO25SX is a high‑power primary cell designed for applications that demand strong pulse currents, dependable voltage under load, and rugged performance in extreme environments. It is widely used in military, aerospace, industrial, and emergency systems where instantaneous current delivery and long‑term reliability are essential.
A limited reference to its Li‑SO₂ system is appropriate because this chemistry is known for excellent high‑rate capability and strong cold‑temperature performance, but the focus here stays on the cell’s functional behavior rather than the chemistry itself.
High‑Power Performance Profile
The LO25SX is optimized for fast, high‑drain workloads, making it ideal for devices that must activate quickly and deliver bursts of power. Its internal spiral construction supports:
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Strong pulse output for RF transmissions, telemetry, and communication modules
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High continuous discharge capability for active electronics
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Stable operating voltage under heavy load
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Reliable performance in low‑temperature environments
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Multi‑year storage with minimal voltage loss
This performance profile makes it a dependable choice for systems that must respond instantly and operate in harsh conditions.
Mechanical and Environmental Strength
The LO25SX is built for environments where durability is non‑negotiable:
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Hermetically sealed stainless‑steel housing for leak‑proof operation
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High resistance to shock, vibration, and mechanical stress
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Wide operating temperature range suitable for outdoor, aerospace, and industrial deployments
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Integrated safety vent for controlled pressure management
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Long shelf life for extended standby or storage
These characteristics ensure consistent performance even in mission‑critical or remote installations.
Common Use Cases
The LO25SX is deployed across industries that require high‑rate discharge, rugged construction, and long‑term dependability:
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Military radios, beacons, and encrypted communication devices
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Aerospace emergency and avionics modules
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High‑power industrial IoT sensors
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Electromechanical actuators and control systems
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Oil & gas instrumentation and pipeline monitoring
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Security and intrusion detection systems
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Remote telemetry and SCADA equipment
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Emergency backup and fail‑safe power modules
These systems benefit from the LO25SX’s ability to deliver instantaneous current while maintaining stable performance over long service intervals.
Why Engineers Choose the LO25SX
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Strong pulse and high‑rate capability for demanding electronics
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Stable voltage delivery under load
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Excellent cold‑weather performance
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Rugged stainless‑steel construction for harsh environments
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Predictable safety behavior with controlled venting
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Maintenance‑free operation for sealed or remote systems
The LO25SX is often selected when designers need a high‑power primary cell that can withstand extreme conditions and deliver reliable performance for years.
Product Description
Saft LO25SX is a Primary Lithium-Sulfur Dioxide (Li-SO2) cylindrical cell and is ideally suited for radiocommunications, automotive telematics, beacons, emergency location transmitters, sonobuoys, missiles, and military applications.
Product Details
LO25SX is a 2.8 V Primary lithium-sulfur dioxide (Li-SO2) Cylindrical Cell that has a high and stable discharge voltage, long storage life, ability to withstand extreme temperature, spiral construction, hermetic glass-to-metal-sealing, and meets requirements of military specifications.
Product Specifications
- Part number: LO25SX
- Size: Fat D
- Voltage (V): 2.8 V (Nominal)
- Capacity (Ah): 8.0 Ah (Nominal)
- Discharge Current (mA): 2.5 A (Nominal)
- Temperature Range (°C): - 60 / + 70°C
- Diameter (mm): 39.2 mm
- Height (mm): 50.0 mm
- Primary Type: Non-Rechargeable
- Made in: USA
- Chemistry: Lithium-Sulfur Dioxide
- Standard Terminations: STD=Without Tabs, STS=Solder Tabs Facing Same Side (CNR)
- Value Added Services: Flying Leads, Custom Battery Pack Assembly
Product Features
- Superior drain and pulse capability
- High and stable discharge voltage
- Performance not affected by cell orientation
- Long storage possible before use
- Ability to withstand extreme temperature
- Low self-discharge rate
- Hermetic glass-to-metal sealing
- Built-in safety vent
- Made in the USA
Our Company
Ttek Assemblies, Inc (TtekAI) is a long time, trusted Saft Battery assembler and distributor. We provide a wide variety of custom batteries and battery packs made with Saft cells in rechargeable and non-rechargeable chemistries. Our batteries service a diverse range of applications and industry requirements including medical, military, test & measurement, portable electronics, and more. based on customer specifications.
Value Added Services
If you are looking for a custom Saft battery pack, please fill out our Custom Battery Quote Form.
Shipping Notice: This product contains Lithium. Air shipments of this product are unavailable at this time.