ER14250H 1/2 AA 3.6V
1200mAh 3.6V Lithium Thionyl Chloride Battery – High-Capacity, Bobbin-Type Cell, Ultra-Long Life
1200mAh 3.6V Lithium Thionyl Chloride Battery – High-Capacity, Bobbin-Type Cell, Ultra-Long Life
The ER14250H is a high-capacity, bobbin-type 3.6V Lithium Thionyl Chloride (Li-SOCl2) battery, designed for applications requiring ultra-long operational life, stable voltage, and low self-discharge. This non-rechargeable lithium battery provides a nominal capacity of 1200mAh, making it ideal for low-drain and long-term standby power applications.
Built with lithium metal as the anode and a carbon-thionyl chloride mixture as the cathode, the ER14250H delivers an exceptionally high energy density of 700Wh/kg, outperforming other chemical battery technologies. With a low self-discharge rate (<1% per year at 25°C), this battery ensures a storage life of over 10 years under optimal conditions.
Its bobbin cell construction enhances reliability and safety, supporting applications that require consistent low-current discharge over extended periods. The ER14250H is fully certified with UN, CE, and UL safety standards, making it a trusted choice for industrial and smart metering applications.
Basic Parameters
| Subject | Parameters | Remark |
| Specification | 1/2AA | Bobbin-type, stainless steel shell, fully sealed structure. |
| Nominal voltage | 3.6V | |
| Nominal capacity | 1200mAh | 1mA, 25±3℃，cut-off at 2.0V |
| Max continuous discharge current | 20mA | |
| Max available pulse current | 50mA | |
| Operating temperature | -55℃~+80℃ | Elevated operating temperatures can cause reduced pulse capacity and low voltage readings. For temperatures exceeding +40℃ or falling below -20℃, consult SUNJ. |
| Dimension | φ14.5x25.2mm | Figure attached |
| Standard weight | About 10g | |
| Annual self-discharge rate | ≤1% | 25±3℃，RH 65±10% |
Available Terminations: ◆ S: Standard terminations ◆ T: Solder tabs ◆ P: Axial Pins ◆ Or special requirement(wire, connectors, etc)
Compatible Part Numbers: 1770-XZ, 3B26, 418-0076, 60-0576-100, 6135-99-770-2535, 6ES5-980-0MA11, 6ES59800MA11, 742-0011, 922-1262, ER3, ER3S, ER4, LS14250, LS3, T04/41, T04/51, TL-2150, TL-2150/S, TL-2151, TL-5101, TL-5112, TL-5151, TL-5151S, TL2150, TL2151, TL5101, TL5112, TL5151, TL5151S, VL1/2AA etc.
(Note： Compatibility is based on matching voltage, size, and performance. If used as a replacement or for installation considerations, please consult our technical consultants.)
Storage Guidelines: Store in a clean, dry, and well-ventilated area. Keep temperature below 20℃ (do not exceed 30℃).
Warnings:
1. Non-rechargeable battery – don't charge.
2. Keep away from fire, flammable, and explosive materials.
3. Don't short-circuit, crush, disassemble, heat above 100℃, or incinerate.
4. Use only within the specified temperature range.
Electrical Performance Graph
ER14250H Discharge Profiles (25℃)↓
Voltage Recovery After Storage↓
Voltage vs. Temperature curve↓
Capacity vs.Current(2.0 cutoff)↓
Key Features & Technical Advantages
◆ High Energy Density – 700Wh/kg, the highest among lithium primary batteries.
◆ Long Shelf Life – 10+ years at room temperature, with an annual self-discharge rate of <1%.
◆ Stable Operating Voltage – 3.6V nominal voltage, ensuring consistent power supply.
◆ Wide Temperature Range – Functions reliably in extreme conditions from -55°C to +85°C.
◆ Low Self-Discharge – Ideal for applications requiring long-term battery reliability.
◆ Stainless Steel Construction – Durable corrosion-resistant casing.
◆ Hermetic Glass-to-Metal Sealing – Provides superior leak prevention.
◆ Non-Flammable Electrolyte – Enhances safety and compliance with IEC60086-4 standards.
◆ Certified & Transport-Safe – Fully compliant with UN38.3, MSDS, and international shipping regulations.
Application Areas
The ER14250H lithium battery is designed for applications that require long-lasting, reliable power with minimal maintenance. It is commonly used in:
Smart Metering & IoT Applications:
● Smart Utility Meters (Gas, Water, Electric, AMR, AMI systems)
● IoT Devices & Wireless Sensor Networks
● RFID, Toll Systems, and Remote Monitoring
● Smart Home Security & Alarm Systems
● Embedded Electronics & Long-Term Backup Power
Industrial & Specialized Applications:
● Automotive Telematics & GPS Tracking
● Fleet Monitoring & Asset Tracking Systems
● Medical Devices & Data Logging Systems
● Gas Exploration (Drilling Sensors, Pipeline Monitoring)
● Military & Aerospace Electronics
● D Instruments & Sensor Technologies
Why Choose ER14250H from SUNJ?
At SUNJ, we specialize in high-performance lithium primary batteries, offering bulk orders, wholesale pricing, and rapid global shipping. Our ER14250H provides superior long-term energy retention, stable voltage, and robust safety features, making it the optimal choice for critical and industrial applications.
Order Now – Bulk Discounts & Fast Shipping
Looking for a trusted ER14250H battery supplier? Get wholesale pricing, expert consultation, and worldwide fast shipping today! Contact us to secure your high-quality lithium battery supply.
All Li-Socl2 Battery Specifications
| International Model Size | Max Dimension [mm] | Weight [g] | Nominal Voltage [V] | Nominal Capacity | Max Continuous Operating Current [mA] | Max Pulse Operating Current [mA] | |||
| Model No. | Size | End Voltage [V] | Nominal Current [mA] | Nominal Capacity[mAh] | |||||
| Bobbin Type | |||||||||
| ER10450H | AAA | Φ10.5*45.0 | 10 | 3.6 | 2.0 | 1.0 | 1000 | 20 | 50 |
| ER14250H | 1/2AA | Φ14.5*25.2 | 10 | 3.6 | 2.0 | 1.0 | 1200 | 20 | 50 |
| ER14335H | 2/3AA | Φ14.5*33.5 | 13 | 3.6 | 2.0 | 1.0 | 1650 | 40 | 100 |
| ER14505H | AA | Φ14.5*50.5 | 18 | 3.6 | 2.0 | 1.0 | 2700 | 50 | 100 |
| ER17335H | 2/3AA | Φ17.5*33.5 | 20 | 3.6 | 2.0 | 1.0 | 1900 | 50 | 100 |
| ER17505H | A | Φ17.5*50.5 | 24 | 3.6 | 2.0 | 2.0 | 3600 | 70 | 150 |
| ER18505H | ―― | Φ18.5*50.5 | 30 | 3.6 | 2.0 | 2.0 | 4000 | 100 | 150 |
| ER26500H | C | Φ26.2*50.0 | 53 | 3.6 | 2.0 | 2.0 | 8500 | 100 | 200 |
| ER34585H | ―― | Φ34.2*58.5 | 100 | 3.6 | 2.0 | 2.0 | 16000 | 150 | 300 |
| ER34615H | D | Φ34.2*61.5 | 103 | 3.6 | 2.0 | 2.0 | 19000 | 230 | 400 |
| ER261020H | CC | Φ26.2*102.0 | 100 | 3.6 | 2.0 | 2.0 | 17000 | 250 | 500 |
| ER341245H | DD | Φ34.2*124.5 | 200 | 3.6 | 2.0 | 5.0 | 36000 | 450 | 700 |
| ER9V | ―― | 17.0*26.5*48.5 | 34 | 10.8 | 6.0 | 1.0 | 1200 | 25 | 50 |
| Spiral Type | |||||||||
| ER14250M | 1/2AA | Φ14.5*25.5 | 10 | 3.6 | 2.0 | 2.0 | 800 | 100 | 200 |
| ER14335M | 2/3AA | Φ14.5*33.5 | 13 | 3.6 | 2.0 | 2.0 | 1350 | 200 | 600 |
| ER14505M | AA | Φ14.5*50.5 | 19 | 3.6 | 2.0 | 3.0 | 2100 | 400 | 1000 |
| ER17335M | 2/3A | Φ17.5*33.5 | 19 | 3.6 | 2.0 | 3.0 | 1700 | 400 | 1000 |
| ER17505M | A | Φ17.5*50.5 | 26 | 3.6 | 2.0 | 5.0 | 2800 | 400 | 1000 |
| ER18505M | ―― | Φ18.5*50.5 | 30 | 3.6 | 2.0 | 5.0 | 3500 | 500 | 1000 |
| ER26500M | C | Φ26.2*50.5 | 57 | 3.6 | 2.0 | 10 | 6000 | 1000 | 2000 |
| ER34615M | D | Φ34.2*61.5 | 109 | 3.6 | 2.0 | 15 | 13000 | 1800 | 3500 |
| ER9V | ―― | 17.0*26.5*48.5 | 34 | 10.8 | 6.0 | 1.0 | 1200 | 25 | 50 |
Selection Guidelines: ◆ For high current discharge applications, choose Spiral type ◆ For long-term low current operations, choose Bobbin type ◆ For higher capacity requirements, select larger size models.
Popular Searches:
Looking for a reliable ER14250H 3.6V lithium battery? Many users search for lithium 1/2AA 3.6V batteries designed for IoT, AMR, and utility meters such as water, gas, and electricity meters. The bobbin-type ER14250 battery is also known for its long shelf life and stable performance in remote monitoring, tracking devices, and security systems. Whether you’re replacing an ER14250 battery equivalent, sourcing batteries for medical applications, or needing a high-capacity ER 1/2AA lithium thionyl chloride battery, ER14250H remains a trusted choice for industrial-grade energy solutions.
