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CP521728 3V 500mAh Ultra-Thin Lithium Manganese Pouch Battery: The Micro-Power Engine for Next-Gen IoT & Tracking
In the world of ultra-compact IoT devices, asset tracking, and smart electronics, space is the ultimate premium. Standard cylindrical cells are too bulky, and typical coin cells lack the capacity required for long-range data transmission.
Enter the CP521728 3V 500mAh Lithium Manganese Dioxide LiMnO2 Pouch Battery. Engineered with a flexible, ultra-thin form factor and packed with a high energy density, this soft-pack cell delivers reliable, long-lasting pulse and continuous current exactly where traditional batteries can’t fit.
Key Technical Specifications of CP521728 3V 500mAh
| Parameter | Specification |
| Model | CP521728 |
| Chemistry | Lithium Manganese Dioxide LiMnO2 |
| Nominal Voltage | 3.0V |
| Nominal Capacity | 500mAh |
| Dimensions | 5.2 mm × 16.5 mm × 28.5 mm (Thickness × Width × Length) |
| Weight | Approx. 4.0g |
| Self-Discharge Rate | ≤2% per year (at room temperature) |
| Operating Temperature | -40°C to +60°C |
Technical Parameters of Lithium Manganese Pouch Batter
| Model | Nominal Voltage | Nominal Capacity | Standard Current | Max Continuous Current | Max Pulse Current | Max Dimensions | The Electrode Structure | Weight Approx |
| (V) | (mAh) | (mA) | ( mA) | (mA) | (mm) | (g) | ||
| CP073040 | 3 | 90 | 1 | 15 | 30 | 0.7*30*41 | Laminated | 1.3 |
| CP076045 | 3 | 230 | 2 | 100 | 150 | 0.7*60*45.5 | Laminated | 2.6 |
| CP102833 | 3 | 120 | 1 | 30 | 50 | 1.0*28.5*33.5 | Laminated | 1.2 |
| CP114752 | 3 | 540 | 1 | 100 | 200 | 1.15*47*52.5 | Laminated | 4.8 |
| CP155050 | 3 | 600 | 5 | 150 | 300 | 1.5*50*50 | Spiral | 6.5 |
| CP210619 | 3 | 25 | 0.25 | 3 | 8 | 2.1*6.5*19.5 | Laminated | 0.35 |
| CP223830 | 3 | 400 | 2 | 100 | 200 | 2.3*39*30 | Spiral | 3.6 |
| CP224147 | 3 | 900 | 1 | 500 | 1000 | 2.2*45.5*48 | Spiral | 7.5 |
| CP224642 | 3 | 920 | 2 | 50 | 90 | 2.2*46*42 | Laminated | 8.5 |
| CP301330 | 3 | 200 | 5 | 50 | 100 | 3.0*13.5*30.5 | Spiral | 2 |
| CP302752 | 3 | 950 | 5 | 300 | 500 | 3.0*27*52 | Spiral | 7.5 |
| CP302775 | 3 | 1450 | 5 | 300 | 500 | 3.0*27*75 | Spiral | 10.5 |
| CP303555 | 3 | 1350 | 5 | 500 | 1000 | 3.0*35*55 | Spiral | 10.5 |
| CP305050 | 3 | 1800 | 5 | 800 | 1200 | 3.1*50*51 | Spiral | 13.8 |
| CP332544 | 3 | 750 | 5 | 150 | 300 | 3.3*25*44 | Spiral | 6 |
| CP383047 | 3 | 1300 | 5 | 400 | 800 | 3.9*30*47 | Spiral | 9.5 |
| CP403555 | 3 | 1600 | 5 | 400 | 800 | 4.0*35*55 | Spiral | 12 |
| CP431520 | 3 | 220 | 5 | 200 | 300 | 4.3*15*20 | Spiral | 2 |
| CP451728 | 3 | 400 | 10 | 100 | 200 | 4.5*16.8*28.5 | Spiral | 3.5 |
| CP501728 | 3 | 450 | 10 | 100 | 200 | 5.0*16.8*28.5 | Spiral | 3.8 |
| CP502025 | 3 | 500 | 2 | 100 | 200 | 5.1*20*25 | Spiral | 4.5 |
| CP502030 | 3 | 600 | 5 | 150 | 300 | 5.2*20.5*30.5 | Spiral | 5 |
| CP502425 | 3 | 600 | 5 | 150 | 300 | 5.2*25*26 | Spiral | 4.8 |
| CP502440 | 3 | 1200 | 5 | 300 | 500 | 5.0*24*40.5 | Spiral | 9 |
| CP502495 | 3 | 3200 | 5 | 800 | 1600 | 5.2*24.5*95.5 | Spiral | 23 |
| CP505050 | 3 | 3000 | 10 | 1000 | 3000 | 5.0*50*51 | Spiral | 24 |
| CP505060 | 3 | 4300 | 10 | 1500 | 3000 | 5.2*51*61 | Spiral | 30 |
| CP521728 | 3 | 500 | 10 | 100 | 200 | 5.2*16.5*28.5 | Spiral | 4 |
| CP551728 | 3 | 520 | 10 | 100 | 300 | 5.5*16.8*28.5 | Spiral | 4 |
| CP583083 | 3 | 4000 | 10 | 1000 | 2000 | 5.8*30*83 | Spiral | 27 |
| CP601822 | 3 | 450 | 5 | 200 | 300 | 6.0*18*22 | Spiral | 3.8 |
| CP601967 | 3 | 1800 | 1 | 300 | 500 | 6.0*19*65 | Spiral | 13.5 |
| CP602429 | 3 | 1100 | 2 | 16.5 | 50 | 6.0*24*28.5 | Laminated | 8 |
| CP602429 | 3 | 900 | 1 | 300 | 500 | 6.0*24*28.5 | Spiral | 7 |
| CP602446 | 3 | 1600 | 5 | 400 | 800 | 6.0*24*46 | Spiral | 12 |
| CP653235 | 3 | 1800 | 5 | 800 | 1200 | 6.7*32*35 | Spiral | 13 |
| CP702030 | 3 | 900 | 1 | 300 | 500 | 7.0*20*30 | Spiral | 7 |
| CP702440 | 3 | 1600 | 10 | 500 | 1000 | 7.2*24*41 | Spiral | 11.5 |
| CP702446 | 3 | 2000 | 5 | 500 | 1000 | 7.2*25*47 | Spiral | 13 |
| CP702528 | 3 | 1100 | 5 | 300 | 500 | 7.0*25.5*28.5 | Spiral | 8 |
| CP703235 | 3 | 1800 | 5 | 800 | 1200 | 7.0*32*35 | Spiral | 13.5 |
| CP723434 | 3 | 1950 | 5 | 1000 | 2500 | 7.2*34*34 | Spiral | 14 |
| CP903083 | 3 | 6400 | 10 | 1000 | 2000 | 9.2*30*83.5 | Spiral | 43.5 |
| CP905078 | 3 | 10000 | 10 | 3000 | 5000 | 9.0*50*78 | Spiral | 70 |
| CP1003850 | 3 | 5200 | 10 | 1000 | 2000 | 10.0*38*50 | Spiral | 35 |
| CP1004040 | 3 | 4300 | 5 | 1000 | 1500 | 10.2*40.5*40.5 | Spiral | 27 |
| CP1005050 | 3 | 7500 | 10 | 1000 | 1500 | 10.5*52.5*52.5 | Spiral | 50 |
Why Choose the CP521728 Soft-Pack Battery?
1. Ultra-Thin, Flexible Geometry
Measuring just 5.2mm in thickness, the CP521728 is designed to seamlessly slide into slim housings, smart cards, and compact wearable enclosures. It maximizes internal spatial efficiency without compromising on power capacity.
2. Premium 500mAh Capacity in a 4-Gram Frame
Weighing a mere 4 grams, this pouch cell boasts an incredible power-to-weight ratio. It provides the sustained 500mAh capacity necessary for components that demand bursts of energy for wireless data transmission.
3. Industrial-Grade Reliability (-40°C to +60°C)
From freezing cold supply chain environments to the intense heat of outdoor industrial monitoring, the CP521728 operates reliably across a wide temperature spectrum, protecting your critical data links from environmental dropouts.
4. Exceptional Shelf Life (<2% Annual Self-Discharge)
Built with a highly stable lithium manganese chemistry, this battery retains its charge during prolonged storage or in low-power standby modes, ensuring a long operational lifetime for your deployed devices.
Core Application Fields
The versatility of the CP521728 makes it the go-to power solution across highly specialized B2B industries:
Partner With a Top-Tier Battery Manufacturer
When designing high-stakes industrial hardware, your power source cannot be a variable. Our CP521728 lithium manganese pouch cells undergo rigorous quality control, ensuring strict dimensional compliance, cell-to-cell uniformity, and certified safety parameters.
Whether you need standard tab configurations or customized lead wiring for automated PCB assembly lines, our engineering team is ready to scale production to your exact specifications.
Looking for a reliable micro-power partner? > [Contact Our Engineering Sales Team Today] to request technical datasheets, safety certifications, or custom evaluation samples for your prototyping phase.
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