SAFT M 52 EX SV – 3.0V 5.6Ah C-Size Lithium-Manganese Dioxide Battery
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SAFT M 52 EX SV 3.0V 5.6Ah Lithium-Manganese Dioxide Battery is a high-performance C-size primary Li-MnO₂ spiral cell designed for demanding industrial and hazardous-area applications. It provides 5.6Ah capacity, 2A recommended continuous current and up to 4A typical pulse current, with an operating range of approximately -40°C to +72°C. ATEX and IECEx certified, it is suitable for smart gas meters, oil and gas monitoring, leak detection, mining, petrochemical equipment, tracking systems, security equipment and other applications operating in potentially explosive atmospheres.
SAFT M 52 EX SV – 3.0V 5.6Ah C-Size Lithium-Manganese Dioxide Battery
Product Specifications
| ATEX Certification | ATEX certified for potentially explosive atmospheres |
|---|---|
| Battery Chemistry | Lithium-Manganese Dioxide (Li-MnO₂) |
| Battery Type | Non-rechargeable primary lithium battery |
| Capacity Test Condition | 60 mA at +20°C to 2.0 V cut-off |
| Cell Configuration | 1S1P |
| Cell Construction | Spiral |
| Cell Size | C |
| Construction | Stainless steel container |
| Country of Manufacture | Germany |
| Electrolyte | Non-corrosive electrolyte |
| Ex Marking | Ex II 2G |
| IECEx Certification | IECEx certified |
| Manufacturer | SAFT |
| Maximum Height | 51.5 mm |
| Maximum Outside Diameter | 26.2 mm |
| Maximum Recommended Continuous Current | 2.0 A |
| Nominal Capacity | 5.6 Ah |
| Nominal Energy | 16 Wh |
| Nominal Voltage | 3.0 V |
| Open Circuit Voltage | 3.2 V |
| Operating Temperature | -40°C to +72°C |
| Pressure | Non-pressurized at room temperature |
| Product Name | SAFT M 52 EX SV Lithium Battery |
| Product Type | Primary Lithium-Manganese Dioxide (Li-MnO₂) Battery |
| Pulse Capability | Up to 4.0 A |
| Safety Feature | Integrated safety vent |
| Safety Standards | IEC 60079-0; IEC 60079-11; UL 1642; IEC 60086-4 |
| Sealing | Hermetic glass-to-metal seal |
| Self Discharge | Less than 1% after 1 year at 20°C |
| Storage Temperature | -55°C to +90°C |
| Temperature Class | T4 |
| Terminal Configuration | Solder tabs |
| Transport Classification | UN 3090 and UN 3091; Class 9 |
| Typical Weight | 58 g |
SAFT M 52 EX SV – 3.0V 5.6Ah C-Size Lithium-Manganese Dioxide Battery
The SAFT M 52 EX SV is a high-performance 3.0V primary Lithium-Manganese Dioxide (Li-MnO₂) battery designed for demanding applications requiring high energy, long operating life, stable voltage and reliable performance in potentially explosive environments. This C-size spiral cell provides a nominal capacity of 5.6Ah and is specifically designed for applications where ATEX and IECEx-certified battery technology is required.
The M 52 EX SV is designed to deliver stable voltage during high discharge and operates across a temperature range of approximately -40°C to +72°C. It provides a maximum recommended continuous current of 2.0A and a typical maximum pulse current of 4.0A, subject to the equipment’s protection requirements and operating conditions.
Key Features
- Model: SAFT M 52 EX SV
- Chemistry: Lithium-Manganese Dioxide (Li-MnO₂)
- Battery type: Primary / non-rechargeable
- Nominal voltage: 3.0V
- Open-circuit voltage: approximately 3.2V
- Nominal capacity: 5.6Ah / 5,600mAh
- Cell size: C
- Construction: Spiral
- Maximum recommended continuous current: 2.0A
- Typical maximum pulse current: 4.0A
- Maximum diameter: approximately 26.2mm
- Maximum height: approximately 51.5mm
- Typical weight: approximately 58g
- Operating temperature: approximately -40°C to +72°C
- Recommended storage temperature: up to +30°C
- Allowable storage range: approximately -55°C to +90°C
- Low self-discharge: less than 1% after one year at +20°C
- Hermetic glass-to-metal sealing
- Stainless-steel container
- Integrated safety vent
- Non-corrosive electrolyte
- Non-pressurized at room temperature
ATEX and IECEx Certified Battery Cell
A major feature of the M 52 EX SV is its certification for use in potentially explosive atmospheres. SAFT identifies the cell as certified according to ATEX and IECEx, with certification based on IEC 60079-0 and IEC 60079-11. The cell carries an Ex II 2G classification and is intended for applications requiring battery components suitable for hazardous environments.
The relevant certification information includes ATEX certificate BVS 13 ATEX E 035 U and IECEx certificate IECEx BVS 13.0053 U.
For customized battery packs, the certification status of the complete pack must be assessed separately. SAFT documentation specifically notes that a customized battery pack is not automatically ATEX/IECEx certified simply because it uses certified M 52 EX SV cells.
High-Drain and Pulse Performance
The M 52 EX SV is designed for applications requiring both continuous current and intermittent high-current pulses. SAFT specifies 2.0A maximum recommended continuous current and 4.0A maximum recommended pulse current for the cell. The permissible current can depend on the protection method, electrical characteristics of the equipment and the required level of explosion protection.
Its spiral construction provides a high active-material surface area, supporting high-drain performance and rapid current delivery while maintaining a stable voltage profile.
Typical Applications
The SAFT M 52 EX SV is particularly suited to equipment operating in potentially explosive or hazardous environments, including:
- Smart gas meters
- Gas and oil tank level monitoring
- Gas leak detectors
- Portable gas detectors
- Petrochemical facilities
- Oil and gas equipment
- Mining applications
- Tracking of dangerous goods
- Industrial monitoring equipment
- M2M communication equipment
- Radio communication equipment
- Security and alarm systems
- ELTs and EPIRBs
- Medical equipment
- Tracking systems
SAFT specifically identifies smart gas meters, gas and oil tank level monitoring, leak detectors, portable gas detectors, petrochemical facilities and mining applications for the M 52 EX SV.
Long Operating Life and Storage
The M 52 EX SV has a low self-discharge rate of less than 1% after one year at +20°C, supporting long operating life in equipment that may remain dormant for extended periods. SAFT also specifies a wide operating temperature range from approximately -40°C to +72°C.
Its hermetic glass-to-metal seal, stainless-steel container, integrated safety vent and non-corrosive electrolyte are designed to provide reliable operation in demanding industrial environments.
Physical Specifications
The M 52 EX SV is a compact C-size cell measuring approximately 26.2mm in diameter × 51.5mm in height, with a typical weight of approximately 58g.
Important: The SAFT M 52 EX SV is a primary, non-rechargeable lithium battery. It is a component certified for specific hazardous-environment applications; always verify the exact certification, terminal configuration, electrical limits and equipment requirements before integrating the cell into an ATEX/IECEx application