ER26500M C 3.6V
ER26500M C 3.6V Lithium Thionyl Chloride Battery – High Power, Spiral-type Design, Reliable Performance, Long Life.
ER26500M C 3.6V Lithium Thionyl Chloride Battery – High Power, Spiral-type Design, Reliable Performance, Long Life.
The ER26500M is a high-power, C-size 3.6V lithium thionyl chloride (Li-SOCl₂) battery with spiral-type construction, specifically designed for high pulse and continuous current applications. With a nominal capacity of 6,000mAh and energy density up to 450Wh/kg, it delivers excellent performance in harsh environments.
This primary lithium battery ensures stable voltage, ultra-low self-discharge, and reliable operation over a wide temperature range. Ideal for smart metering, medical devices, industrial automation, and emergency systems, the ER26500M is trusted for both mission-critical and long-duration applications.
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 | C | Spiral-type, stainless steel shell, fully sealed structure. |
| Nominal voltage | 3.6V | –– |
| Nominal capacity | 6000mAh | 10mA, 25±3℃，cut-off at 2.0V |
| Max continuous discharge current | 1000mA | –– |
| Max available pulse current | 2000mA | –– |
| 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 | φ26.2x50.5mm | Figure attached |
| Standard weight | About 57g | –– |
| Annual self-discharge rate | ≤1% | 25±3℃，RH 65±10% |
Compatible Part Numbers
LS26500, LS-26500C, LSH14, TL2200, TL-2200/S, TL5920, TL-4920, LTL-111A, SL-770, XL-140F, XL-145F, T52/41, T52/51, SB-C02, 15-5120-21500, and others.
▎Note: Compatibility is based on voltage, dimensions, and performance. Please consult our technical support team for replacement or installation advice.
▎Storage Guidelines: Store in a clean, cool (preferably <20°C, not exceeding 30°C), dry, and well-ventilated environment.
Flexible Single Cell and Pack Options
SUNJ offers flexible battery configurations to suit various applications:
◆ S: Standard Terminals
◆ T: Solder Tabs
◆ P: Axial Pins
◆ Custom Options: Available upon request
▎Note: For projects requiring higher voltage or capacity, battery packs can be customized by combining multiple cells.
Warnings
● This is a non-rechargeable lithium battery. Do not charge.
● Keep away from heat, fire, flammable or explosive materials.
● Do not short-circuit, crush, disassemble, incinerate, or expose to temperatures above 100°C.
● Operate only within the recommended temperature range.
Electrical Performance Graph
ER26500M Discharge Profiles (25℃) ↓
Voltage Recovery After Storage ↓
Voltage vs. Temperature curve ↓
Capacity vs.Current(2.0V cutoff) ↓
Key Features
● Stable 3.6V Output: Consistent power for critical electronics.
● High Pulse Capability: Spiral-type construction supports high-rate and pulse discharge.
● Long Shelf Life: Up to 10 years with <1% self-discharge per year at 25°C.
● High Energy Density: 450Wh/kg, optimized for compact device integration.
● Wide Operating Temperature: Reliable from -55°C to +80°C.
● Enhanced Safety: Non-flammable electrolyte, hermetic glass-to-metal seal, stainless steel housing.
● International Certifications: IEC60086-4, UL1642, UN38.3, MSDS, RoHS.
● Transport Safe: Non-restricted for air, sea, and ground shipping.
● Compatible Replacements: LS26500, LSH14, TL2200, XL-145F, SB-C02, etc.
● Excellent passivation resistance; Low magnetic interference.
Application Fields
The ER26500M is widely used in:
**Utility & IoT**
- Smart meters (AMR/AMI)
- Remote sensors & IoT nodes
**Industrial & Security**
- Industrial automation systems
- Alarms and security devices
- Automotive telematics and GPS tracking
**Medical & Professional**
- AEDs, surgical equipment, portable diagnostics
**Military, Marine, and Exploration**
- Military and aerospace systems
- Marine buoys and navigation tools
- Oil & gas exploration instruments
**Emergency Communication**
- eCall roadside assistance, emergency response systems
Empower Your Equipment with SUNJ ER26500M
Need reliable, high-drain lithium batteries for critical applications? The SUNJ ER26500M offers high pulse output, long operational life, and certified safety—perfect for industrial systems, medical devices, and smart metering.We welcome bulk orders with flexible pricing and fast international shipping. Contact our battery experts today for customized solutions and competitive deals!
FAQs
Q1: What makes the ER26500M superior to standard C-size batteries?
A1: Unlike standard C cells, the ER26500M features a spiral-type structure for high pulse performance and offers up to 6,000mAh capacity, optimized for high-drain and long-term applications.
Q2: Is this battery rechargeable?
A2: No, the ER26500M is a primary (non-rechargeable) lithium battery.
Q3: What certifications does it meet?
A3: It is certified to IEC60086-4, UL1642, UN38.3, MSDS, and RoHS.
Q4: What are typical applications?
A4: Ideal for utility metering, industrial control, medical devices, and GPS tracking, and can replace batteries such as LS26500, TL5920, XL-145F, and more.
Q5: What is its shelf life and self-discharge rate?
A5: Over 10 years of shelf life with less than 1% self-discharge annually at room temperature.
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:
◆ High Current / Pulse Applications → Spiral-type Cells
◆ Long-Term, Low-Current Applications → Bobbin-type Cells
◆ Higher Capacity Needs → Larger Size Models
Popular Searches
Looking for ER26500, ER26500M, or high-power C-size lithium thionyl chloride batteries? SUNJ offers reliable 3.6V Li-SOCl₂ solutions for industrial, medical, and utility applications. The ER26500M stands out with high pulse current capability, long shelf life, and global compliance. Whether you need lithium primary batteries or C-size lithium cells, SUNJ provides fast delivery and expert support.
