Li-MnO2 Battery
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Li-MnO2 Battery Manufacturer for 3V Primary Lithium Power Solutions
Long Sing Technology – your reliable Li-MnO2 battery manufacturer, supplier, and pack partner for industrial 3V solutions.
Contact us to download more datasheet of Li-MnO2 battery.What Is a Li-MnO₂ Battery?
A Li-MnO₂ battery (lithium manganese dioxide) is a primary (non-rechargeable) lithium battery using a lithium metal anode and a manganese dioxide cathode.Each cell delivers a nominal 3.0 volts (about 3V) – roughly double an alkaline cell – and holds that voltage almost flat through discharge.
Li-MnO2 cells come in cylindrical and coin/button formats. For example, a Li-MnO2 cylindrical AA cell (CR14505) powers industrial sensors, and a Li-MnO2 coin cell (CR2032) provides backup power for real-time clocks.
This chemistry yields a flat discharge curve and very long shelf life, making Li-MnO₂ the basis of many 3v lithium battery designs. As a non-rechargeable lithium battery chemistry, it’s valued for stable voltage and safety.
Why Choose Lithium Manganese Dioxide Batteries?
Li-MnO₂ batteries combine high energy density with a stable, flat discharge profile. They tolerate wide temperatures (many are rated –30°C to +60°C) and have very low self-discharge. Because they contain no liquid electrolyte, Li-MnO₂ cells are inherently safe and do not suffer “voltage delay” after storage.
In practical terms, Li-MnO₂ batteries will power a device for its entire service life with virtually no maintenance. Moreover, compared to Li-SOCl₂ cells, Li-MnO₂ batteries (3.0V) offer ruggedness and pulse capability, while still providing high energy (albeit less than Li-SOCl₂).
Key Advantages Compared to Li-SoCl2 Battery
- High Pulse Current Delivery: A much lower internal impedance enables Li-MnO2 battery to delivery heavy current pulses(typically hundreds of mA to several Amperes).
- Zero Voltage Delay (No Passivation Effect): It provides instantaneous full power upon demand, making it highly reliable for critical, intermittent, or emergency safety devices.
- Excellent Safety Profile & Low Toxicity: Lithium manganese dixodie batteries use a solid cathode and a non-toxic organic electrolyte, it behaves much more safely under physical abuse, short circuits, or thermal stress.
- Flat Discharge Curve with Predictable End-of-Life (EOL): It has stable 3V output discharge curve, exhibiting a slight, measurable slope toward the end of its life.
As a leading lithium manganese dioxide battery supplier, Long Sing Technology brings over a decade of experience and strict quality control to this chemistry. Our factory is ISO9001/14001 certified and all production meets UL/CE/UN38.3/RoHS standards.
Our team – led by chief engineer Wilson Lu and sales manager Luke Liu – supports custom design reviews and rapid prototyping. In fact, Long Sing won an R&D 100 Award in 2022 for an innovative lithium battery project.
As an industrial CR battery manufacturer, we ensure every CR-series cell (e.g. CR123A, CR14505) meets global specs. Customers choose Long Sing for its reliable Li-MnO₂ battery technology and full compliance (we can serve as a bulk coin cell battery bulk supplier or CR123A battery bulk supplier for high-volume needs).
Li-MnO₂ Battery Types
Long Sing offers Li-MnO₂ cells in all standard form factors demanded by engineers:
1. Li-MnO₂ Cylindrical Batteries: Standard 3V cells in CR sizes. For example, our CR123A cell (16×34.5 mm) is 3.0V with ~1.5 Ah capacity (supporting ~3.5 A pulses), and a CR14505 (AA, 14×50.5 mm) is ~2.0–2.4 Ah (≈2.5 A pulse).
These Li-MnO₂ cylindrical cells are often called industrial CR batteries and have flat tops with built-in PTC safety fuses. They are rated to operate from –40°C up to +60–70°C. High-capacity “bobbin” versions of CR14505, CR18505, etc. are also available. (As a CR battery manufacturer and bulk CR lithium battery supplier, Long Sing can deliver these in pallets or OEM-labeled packages.)
| Model | CR14250 | CR14505 (AA Size) | CR15270 (CR2) | CR17335 (CR123A) | CR17450 | CR17505 | CR18505 | CR26500 (C Size) | CR34615 (D Size) |
|---|---|---|---|---|---|---|---|---|---|
|
Typical
Capacity
|
850–1,000 mAh | 1,500–1,800 mAh | 800–1,000 mAh | 1,400–1,700 mAh | 2,000–2,400 mAh | 2,400–2,800 mAh | 3,000–3,500 mAh | 5,000–6,500 mAh | 12,000–19,000 mAh |
|
Key
Features
|
Compact cylindrical cell,
high energy density,
low self-discharge,
long shelf life
|
Standard AA dimensions,
high energy density,
wide operating temperature range
|
Compact size,
high pulse capability,
excellent storage performance
|
High pulse discharge capability,
compact and lightweight,
long service life
|
Higher capacity than CR123A,
stable discharge characteristics
|
High capacity,
low self-discharge,
reliable long-term operation
|
High energy density,
extended operating life,
rugged construction
|
Large capacity,
long runtime,
excellent reliability in harsh environments
|
Ultra-high capacity,
long service life,
suitable for long-term deployments |
|
Common
Applications
|
Utility meters, wireless sensors,
security devices, IoT equipment
|
Medical devices, RFID systems,
electronic instruments, backup power
|
Cameras, laser rangefinders,
security sensors, test equipment
|
Security cameras,
tactical flashlights,
smoke detectors,
medical devices
|
Utility metering,
wireless communication modules,
industrial sensors
|
IoT devices,
GPS trackers,
remote monitoring equipment
|
Smart meters,
telemetry systems,
industrial automation equipment
|
Utility meters,
oil & gas monitoring,
military electronics,
backup systems
|
Water meters,
gas meters,
AMR/AMI systems,
infrastructure monitoring
|
2. Li-MnO₂ Coin/Button Cells: All are 3.0V; e.g. a CR2032 (20×3.2 mm) is 220–235 mAh. These lithium manganese dioxide batteries provide low-current power (watches, calculators, key fobs) and small sensors.
They have extremely low self-discharge (<1%/yr) and can supply small bursts of current (a CR2032 can deliver several mA in short pulses). In fact, CR coin cells often serve as an IoT sensor battery 3V or RFID tag battery, powering remote IoT trackers and embedded electronics. (Long Sing can also supply coin cell battery bulk quantities on reels or tapes for automated assembly.)
| Model | CR1616 | CR1620 | CR1632 | CR2016 | CR2025 | CR2032 | CR2430 | CR2450 |
|---|---|---|---|---|---|---|---|---|
|
Typical
Capacity
|
50–60 mAh | 70–80 mAh | 120–140 mAh | 80–100 mAh | 150–170 mAh | 210–240 mAh | 270–320 mAh | 500–620 mAh |
|
Key
Features
|
Ultra-thin coin cell,
compact design,
stable voltage
|
Small footprint,
low self-discharge,
long shelf life
|
Higher capacity than CR1620,
compact size
|
Thin profile,
lightweight,
reliable performance
|
Balanced size and capacity,
long operating life
|
Industry-standard coin cell,
high energy density,
broad compatibility
|
Larger capacity than CR2032,
stable discharge performance
|
High-capacity coin cell,
extended service life,
excellent reliability
|
|
Common
Applications
|
Car key fobs,
calculators,
wearable electronics
|
Remote controls,
medical sensors,
security tokens
|
Automotive electronics,
wireless sensors,
electronic tags
|
Watches,
calculators,
fitness devices,
keyless entry systems
|
Car remotes,
medical devices,
POS terminals
|
CMOS memory backup,
Bluetooth devices,
key fobs,
IoT sensors
|
Medical instruments,
security devices,
wireless transmitters
|
Smart meters,
medical equipment,
industrial sensors,
tracking devices
|
3. Li-MnO₂ Batteries with Tabs, Pins, Wires and Connectors: To simplify OEM assembly, we offer Li-MnO₂ cells with custom terminations. Options include solder tabs, PCB pins, axial leads, wire leads, and connector housings.
For example, we can furnish CR123A or CR14505 cells with factory-welded nickel solder tabs or crimped leads, or provide coin cells on solderable strips. These ready-to-mount cells allow engineers to solder or snap batteries into circuit boards and modules. (Any custom Li-MnO₂ battery pack design can include these terminations for ease of use.)
4. Custom Li-MnO₂ Battery Packs: Long Sing also designs multi-cell packs using Li-MnO₂ cells. We can assemble cells in series and parallel to meet your voltage and capacity needs (e.g. 6V, 9V, 12V packs for alarms or meters). Packs are built with precision soldering and insulated in heat-shrink or custom housings.
For example, a 6V Li-MnO₂ pack might use four CR123A cells in series; we would join them with nickel tabs, bundle and shrink-wrap the string, then attach the desired connector and wire assembly. All pack assemblies are tested (voltage/current) to meet your specifications.
| Specification | CR123A (16×34.5 mm) | CR14505 (14×50.5 mm) | CR2032 Coin |
|---|---|---|---|
| Nominal Voltage | 3.0V | 3.0V | 3.0V |
| Capacity (typical) | ~1500 mAh | ~2000 mAh | ~235 mAh |
| Continuous Current | 1500 mA | 1000 mA | ~0.2 mA |
| Pulse Current | 3500 mA | 2500 mA | ~6–7 mA |
| Operating Temp | –40°C to +60°C | –40°C to +70°C | –30°C to +60°C |
| Storage Temp | –40°C to +60°C | –40°C to +70°C | –30°C to +60°C |
| Cell Size (HxØ) | 34.5×17.0 mm | 50.5×14.5 mm | 20.0×3.2 mm |
| Termination Style | Flat top (internal PTC) | Flat top | Flat coin (bottom anode) |
| Shelf Life | ≥10 years | 6–10 years | 8–10 years |
| Certifications | UL(MH29980), IEC 60086-4, RoHS | IEC 60086-4, RoHS | IEC 60086-4, RoHS |
| Download PDF |
Applications of Lithium Manganese Dioxide Battery
Li-MnO₂ batteries power countless devices where a 3V cylindrical lithium battery is needed for long life. They are fundamental to many industrial CR battery applications.
| Industry | Consumer Electronics | Medical Devices | Smart Metering & Utilities | Security & Safety | Industrial IoT & Automation | Automotive Electronics | Telecommunications | Tracking & Logistics | Aerospace & Defense | Smart Home & Building | Retail & Commercial | Outdoor & Recreation |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Device Examples |
Watches
Wireless keyboards
Wireless mice
Calculators
Remote controls
|
Glucose meters
Digital thermometers
Hearing aids
Pulse oximeters
Wearable medical sensors
|
Water meters
Gas meters
Electricity meters
AMR modules
Smart utility sensors
|
Smoke detectors
Intrusion alarms
Door/window sensors
Emergency beacons
Personal safety devices
|
Wireless transmitters
Data loggers
Environmental monitors
Industrial sensors
Asset monitoring nodes
|
Tire pressure sensors (TPMS)
Car key fobs
Vehicle tracking modules
Parking sensors
Automotive RTC backup
|
Telecom backup units
Remote terminal units
Wireless communication nodes
Base station monitoring systems
Network monitoring equipment
|
GPS trackers
Asset tracking devices
Cargo monitoring sensors
Cold-chain loggers
RFID active tags
|
Emergency locator transmitters
Military communication devices
Flight data memory backup
Navigation equipment
Remote sensing instruments
|
Smart locks
Occupancy sensors
Temperature sensors
Smart switches
Building automation controllers
|
Electronic shelf labels
POS backup systems
Wireless scanners
Inventory sensors
Payment terminals
|
Bicycle computers
Camping lanterns
Fish finders
Outdoor GPS devices
Sports performance sensors
|
| Common Coin Cell Models | CR2032, CR2025, CR2450 | CR2032, CR1632, CR1225 | — | CR123A, CR2450, CR2032 | — | CR2032, CR2450 | — | — | CR2032, CR2450 | CR2032, CR2477 | CR2450, CR2032 | CR2032, CR2450 |
| Common Cylindrical Models | CR17450, CR17505 | — | CR14250, CR17450, CR17505 | CR123A, CR2 | CR14250, CR17450, CR17505 | — | CR17450, CR17505, CR26500 | CR123A, CR17450 | CR123A, CR2, CR17450 | — | — | CR123A, CR2 |
Custom Li-MnO₂ Battery Pack Solutions from Long Sing
Long Sing specializes in custom pack solutions using Li-MnO₂ cells. We handle everything from pack design and prototyping to mass production, always oriented to the engineer’s specifications.
Custom Terminations and Battery Pack Assembly
We can attach any required termination to our Li-MnO₂ cells. Standard options include solder tabs, PCB pins, axial leads, wire leads, and pre-wired connectors.
For example, we routinely ship CR123A and CR14505 cells with nickel solder tabs or crimped leads for seamless integration. Multi-cell packs are built by welding tabs and insulating with heat-shrink or custom enclosures. We can deliver packs in series/parallel to meet your voltage/capacity, complete with heat-shrink labeling, wiring harnesses, and mating connectors.
Quality, Safety and Compliance
Quality is paramount at Long Sing. All Li-MnO₂ cells and packs are made in our ISO 9001/14001 factory under strict controls, and each cell batch is tested (capacity, resistance, mechanical/vibration) to meet specs. We maintain full traceability on materials and production.
Our batteries carry the required approvals: UL component recognition, IEC 60086-4 safety standard, UN38.3 for transport, and RoHS. As a Li-MnO₂ battery supplier and CR battery manufacturer, Long Sing ensures every cell is ready for industrial use and global distribution.
UL
IEC
UN38.3
RoHs/Reach
How to Choose the Right 3V Primary Lithium Battery for Your Device
Select your cell chemistry based on load profile. If your device draws occasional high-current pulses (wireless transmitters, pumps), Li-MnO₂ (3.0V) cells excel as a high pulse current 3V battery. If it is an ultra-low-drain application needing maximum energy (e.g. meters in extreme cold), Li-SOCl₂ (3.6V) cells may be better.
Compare the device’s “sleep” vs. “active” currents: Li-MnO₂ can deliver hundreds of milliamps on demand, whereas Li-SOCl₂ offers higher total energy but slower startup. Consider form factor (CR-series vs ER-series) and terminals.
In many designs, Li-MnO₂ cells are chosen as the IoT sensor battery 3V or RFID tag battery for reliable 3V power. Our engineers can advise on picking between CR and ER chemistries and on custom assemblies. As an OEM CR battery supplier, Long Sing can also provide Li-SOCl₂ (ER) cells or hybrid Li-MnO₂/Li-SOCl₂ packs if needed.
Get Application-Specific Li-MnO₂ Battery Solutions with Proven Quality, Fast Prototyping, and Factory-Direct Pricing.
Keep Reading:
- The 3.0V Standard: Unlocking the Power of Lithium Manganese Dioxide Batteries
- Types of Battery: A Guide to LiSoCl₂ Vs LiMnO₂
- Bobbin Type vs Spiral Type Battery Long-Life Applications
- CR2025 VS CR2032: Practical Differences Between Coin-Shaped Batteries
- Long Life Batteries: How to Validate Primary Lithium Battery Longevity
- The Science of the Plateau: Why Voltage Stability is the Lifeline of in Power System
- CR123A, CR17450, and CR14505 The Ultimate CR Li-MnO2 Cylindrical Battery Comparison
- 2026 Procurement Outlook: Navigating Lead Times and Raw Material Trends in Lithium Coin Cell Battery
- Top OEM Lithium Primary Battery Manufacturers for Industrial Projects in 2026
- LoRa Battery Life: Power Consumption Analysis of Wireless SHM Protocols
- How to achieve 10 year battery smoke detector under Ultra-low self-Discharge and high reliability
- IoT in Agriculture: Real Sustainable High Energy Density Battery under Extreme Temperature Tolerance for Smart Farming Devices
- Can LiMnO2 Batteries Be Charged: Lab Test Results & Industrial Solutions
- How to Choose the Right CR Battery Sizes: Selection Workflow and Sourcing Specifications
- How to Choose the Right CR Battery Sizes: Selection Workflow and Sourcing Specifications