ER14250M 1/2 AA 3.6V
ER14250M 1/2 AA 3.6V Lithium Thionyl Chloride Battery – Spiral-type, High-Power, Long-Lasting Performance
ER14250M 1/2 AA 3.6V Lithium Thionyl Chloride Battery – Spiral-type, High-Power, Long-Lasting Performance
The ER14250M is a high-performance, spiral-wound 3.6V Lithium Thionyl Chloride (Li-SOCl₂) battery, specifically designed for applications requiring high pulse current, extended operating life, and exceptional reliability. With a nominal capacity of 800mAh and energy density up to 450Wh/kg, it is ideal for demanding industrial, IoT, and high-drain electronic applications.
Engineered to perform in extreme conditions from -55°C to +85°C, the ER14250M maintains a stable output voltage with minimal self-discharge (<1% per year at 25°C), offering a shelf life of over 10 years under optimal storage. Its advanced lithium metal anode and carbon-thionyl chloride cathode ensure consistent performance during both continuous and pulse discharge.
Certified to UN38.3, UL, and CE standards, this non-rechargeable lithium cell is safe for global transportation and industrial use.
All SUNJ batteries are designed to withstand reasonably foreseeable misuse and are tested in compliance with international performance, safety, and transport regulations.
Basic Parameters
| Subject | Parameters | Remark |
| Specification | 1/2AA | Spiral-type, stainless steel shell, fully sealed structure. |
| Nominal voltage | 3.6V | –– |
| Nominal capacity | 800mAh | 2mA, 25±3℃，cut-off at 2.0V |
| Max continuous discharge current | 100mA | –– |
| Max available pulse current | 200mA | –– |
| 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 | φ14.5x25.5mm | Figure attached |
| Standard weight | About 10g | –– |
| Annual self-discharge rate | ≤1% | 25±3°C，RH 65±10% |
Compatible Part Numbers:
1770-XZ, 3B26, 418-0076, 60-0576-100, 6135-99-770-2535, 6ES5-980-0MA11, 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, VL1/2AA, and more.
▎Note: Compatibility is based on matching voltage, size, and performance. Please consult our technical team for replacement guidance or installation support.
Storage Conditions:
Store in a clean, cool (preferably below 20°C, not exceeding 30°C), dry, and well-ventilated environment.
Flexible Single Cell and Pack Options
Single cells are available with standard terminals, solder tabs, or axial pins. For applications requiring higher voltage or capacity, custom battery packs can be configured by combining multiple cells to meet your specific requirements.
Available Terminations:
◆ S: Standard terminations
◆ T: Solder tabs
◆ P: Axial Pins
◆ Custom Terminations Available Upon Request
Warnings
● Do not charge – this is a non-rechargeable lithium battery.
● Keep away from fire, heat, and flammable or explosive materials.
● Do not short-circuit, crush, disassemble, expose to temperatures above 100°C, or incinerate.
● Operate only within the recommended temperature range.
Electrical Performance Graph
ER14250M Discharge Profiles (25°C) ↓
Voltage Recovery After Storage ↓
Voltage vs. Temperature curve ↓
Capacity vs.Current(2.0V cutoff) ↓
Key Features & Technical Advantages
● High pulse and continuous discharge capability
● Stable output voltage (3.3V–3.6V nominal)
● Low self-discharge: <1% per year at 25°C
● Energy density up to 450Wh/kg
● Broad operating temperature range: -55°C to +85°C
● Hermetically sealed with stainless steel construction
● Glass-to-metal seal to prevent leakage
● Non-flammable electrolyte – compliant with IEC60086-4
● Transport-safe with global certifications
● Excellent passivation resistance
● Low magnetic signature
Application Areas
The ER14250M is ideal for applications demanding long-term reliability and high pulse output, including:
Smart & Industrial Applications
● Smart Utility Meters (Gas, Water, Electricity – AMR & AMI Systems)
● IoT Devices & Wireless Sensor Networks
● GPS Trackers & Automotive Telematics
● Asset Tracking & Data Logging Systems
● Security Alarms & Remote Monitoring Equipment
● Embedded Electronics & Home Automation
Heavy-Duty & Military Applications
● PLC Backup & Factory Automation
● CNC Machine Tools & Robotics
● Oil & Gas Downhole Monitoring & Drilling Sensors
● Aerospace & Defense Electronics
● Research Equipment & Mobile Lab Instruments
Why Choose ER14250M from SUNJ?
At SUNJ, we specialize in manufacturing high-performance primary lithium batteries engineered for demanding environments. Our ER14250M 3.6V cell features spiral-wound construction that supports high pulse currents while maintaining superior reliability and long service life. Certified to UL, CE, and UN38.3 standards, it is a dependable choice for smart metering, industrial control, and high-drain IoT systems.
Order Now – Fast Dispatch & Competitive Pricing
Looking for a reliable ER14250M battery supplier? SUNJ offers factory-direct pricing, expert technical support, and rapid international delivery. Contact us today for a quote and ensure a stable supply of premium lithium batteries for your critical applications.
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: Choose spiral-type cells
◆ For long-term, low-current use: Choose bobbin-type cells
◆ For increased capacity: Select larger size models
Popular Searches
Many customers seeking high-drain, pulse-capable lithium cells often search for ER14250M 3.6V batteries, also referred to as lithium 1/2AA spiral-type or ER 1/2AA high power cells. Whether comparing ER14250 vs. ER14250M, or looking for a reliable ER14250 lithium equivalent, SUNJ’s ER14250M stands out with high energy density, excellent stability, and outstanding performance in IoT, security, and industrial electronics. Other popular searches include ER14250M battery, 1/2AA 3.6V lithium cell, and lithium thionyl chloride battery for smart metering and telemetry.
