
LiPoly Battery LPR432421 3.7V 155mAh 0.574Wh with Protection Circuit, Wires 50mm and Connector Molex 78172-0002
LiPol Battery Co., Ltd., an Authorized Battery Manufacturer, introduces the 3.7V LiPoly Battery LPR432421 155mAh, 0.574Wh, a high-quality rechargeable lipoly battery designed for compact and portable electronic devices. This model comes equipped with a Protection Circuit Module (PCM), pre-attached wires, and a Molex 78172-0002 connector, ensuring both user safety and easy integration. With a nominal voltage of 3.7V and a rated capacity of 155mAh, it offers stable energy delivery and long-lasting performance in a lightweight form factor.
The LPR432421 LiPoly Battery is constructed with advanced polymer cell technology, offering excellent energy density, consistent output, and a long cycle life. Its PCM safeguards against overcharging, over-discharging, and short-circuiting, protecting both the device and the battery during use. The Molex 78172-0002 connector offers a secure and reliable electrical connection, making this lipoly battery a plug-and-play option for product designers and engineers. Compact and durable, it fits easily into devices such as GPS trackers, smart wearables, wireless communication tools, IoT sensors, and portable medical instruments.
Backed by LiPol’s 30+ years of manufacturing experience, the LPR432421 3.7V 155mAh LiPoly Battery reflects the company’s commitment to quality, safety, and customization. LiPol provides flexible design services, offering options for custom wire lengths, PCM configurations, and connector types to meet the specific needs of any project. Each battery is produced under strict quality control and tested to ensure reliable performance and compliance with international safety standards. For developers seeking a dependable, ready-to-use power source, this LiPoly battery delivers both efficiency and peace of mind—perfect for powering the next generation of innovative electronic products.
LiPoly Battery LPR432421 3.7V 155mAh 0.574Wh Specifications
| Battery Type: | Rechargeable LiPoly Battery |
| Model: | LPR432421, 432421 |
| Nominal Voltage: | 3.7V |
| Capacity: | 155mAh |
| Size: | 4.3mm x 24.0mm x 21.0mm |
| Protection circuit module(PCM): | Yes |
| Thermistor(NTC): | No |
| Connector: | Molex 78172-0002 |
| Configuration: | 1S1P |
| Weight: | 3.1g |
| Wat-Hou Rating: | 0.574Wh |
| Max. Operating Voltage Range: | 2.75V to 4.2V |
| Max. Charge Voltage: | 4.2V±50mV |
| Max. Charge Current: | 77.5mA |
| Max. Discharge Current: | 155mA |
| Discharge Cut-off | 2.75V |
| Internal Impedance: | <200mΩ |
| Expected Cycle Life @(0.5C/0.5C)@23±5°C) | 500 cycles ≥ 80% |
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Why Choose LiPol Battery Co., Ltd
LiPol Battery Co., Ltd specializes in designing and producing various battery types, ensuring customers can find the perfect power source for their applications. Their product portfolio includes Rectangular LiPoly Battery, ideal for compact devices requiring a flat, space-efficient design, and Ultra-Thin LiPoly Battery, perfect for sleek, lightweight applications like wearables and IoT devices.
For more versatile needs, LiPol offers Round and Cylinder LiPoly Battery and 18650 Li-ion Batteries, which are high-capacity powerhouses for laptops, power tools, and electric vehicles. They also provide High-Rate 18650 Li-ion Batteries for high-drain devices, Curved LiPoly Battery for unique device designs, and High Discharge Rate LiPoly Batteries for high-performance applications like drones and RC vehicles.
Additionally, LiPol manufactures Micro Round LiPoly Batteries for miniature devices, 21700 and 26650 Li-ion Batteries for high-energy applications, and 3.8V LiPoly Batteries for advanced electronics. Each battery is available in various sizes, capacities, and configurations, ensuring compatibility with multiple devices and systems.
There are several reasons to choose LiPol as your battery partner. First, their years of experience in battery manufacturing ensure top-notch quality and innovation. Second, they offer tailored solutions to meet unique product requirements, making them a go-to for customized battery needs. Third, LiPol’s batteries are certified for safety, complying with international standards for reliable and safe operation. Fourth, their diverse product portfolio ensures that there’s a battery for virtually any application. Finally, LiPol is committed to sustainability, using eco-friendly manufacturing processes and recyclable materials.
How to Order a LiPoly Battery from LiPol Battery Co., Ltd.
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Round LiPoly Battery List
Round LiPoly Battery List| Part # | Capacity (mAh) | Voltage | C-Rate | Thickness (mm) | Diameter (mm) |
|---|---|---|---|---|---|
| LPR233331 | 190 | 3.7V | 1C | 2.3 | 30 |
| LPR243535 | 210 | 3.7V | 1C | 2.4 | 35 |
| LPR253736 | 210 | 3.7V | 15C | 2.5 | 37 |
| LPR283535 | 300 | 3.7V | 1C | 2.8 | 35 |
| LPR286254 | 1080 | 3.7V | 1C | 2.8 | 62 |
| LPR302823 | 140 | 3.7V | 1C | 3.0 | 28 |
| LPR303028 | 185 | 3.7V | 1C | 3.0 | 30 |
| LPR313125 | 240 | 3.7V | 1C | 3.1 | 31 |
| LPR323535 | 305 | 3.7V | 3C | 3.2 | 35 |
| LPR331615 | 62 | 3.7V | 1C | 3.3 | 16 |
| LPR333736 | 355 | 3.7V | 3C | 3.3 | 37 |
| LPR353027 | 210 | 3.7V | 1C | 3.5 | 30 |
| LPR363832 | 410 | 3.7V | 1C | 3.6 | 38 |
| LPR373026 | 245 | 3.7V | 1C | 3.7 | 30 |
| LPR383535 | 385 | 3.7V | 1C | 3.8 | 35 |
| LPR393633 | 445 | 3.7V | 1C | 3.9 | 36 |
| LPR403327 | 305 | 3.7V | 1C | 4.0 | 33 |
| LPR403530 | 385 | 3.8V | 1C | 4.0 | 35 |
| LPR403535 | 405 | 3.8V | 1C | 4.0 | 35 |
| LPR403736 | 495 | 3.8V | 1C | 4.0 | 37 |
| LPR432421 | 155 | 3.7V | 1C | 4.3 | 24 |
| LPR433530 | 430 | 3.7V | 3C | 4.3 | 35 |
| LPR433535 | 475 | 3.7V | 1C | 4.3 | 35 |
| LPR433736 | 585 | 3.7V | 1C | 4.3 | 37 |
| LPR4435035 | 450 | 3.7V | 1C | 4.4 | 35 |
| LPR443633 | 540 | 3.7V | 1C | 4.4 | 36 |
| LPR453331 | 425 | 3.7V | 1C | 4.5 | 33 |
| LPR454440 | 870 | 3.7V | 1C | 4.5 | 44 |
| LPR473027 | 330 | 3.7V | 1C | 4.7 | 30 |
| LPR483535 | 545 | 3.8V | 1C | 4.8 | 35 |
| LPR483828 | 510 | 3.7V | 1C | 4.8 | 38 |
| LPR483829 | 530 | 3.7V | 3C | 4.8 | 38 |
| LPR493027 | 300 | 3.7V | 1C | 4.9 | 30 |
| LPR493535 | 530 | 3.7V | 1C | 4.9 | 35 |
| LPR513535 | 525 | 3.7V | 1C | 5.1 | 35 |
| LPR533325 | 435 | 3.7V | 1C | 5.3 | 33 |
| LPR533535 | 560 | 3.8V | 1C | 5.3 | 35 |
| LPR551615 | 100 | 3.7V | 1C | 5.5 | 16 |
| LPR553535 | 605 | 3.7V | 1C | 5.5 | 35 |
| LPR555042 | 1370 | 3.8V | 1C | 5.5 | 50 |
| LPR555542 | 1370 | 3.8V | 1C | 5.5 | 55 |
| LPR556553 | 2120 | 3.7V | 1C | 5.5 | 65 |
| LPR565542 | 1370 | 3.7V | 1C | 5.6 | 55 |
| LPR573829 | 570 | 3.7V | 3C | 5.7 | 38 |
| LPR583027 | 320 | 3.7V | 15C | 5.8 | 30 |
| LPR594230 | 600 | 3.7V | 10C | 5.9 | 42 |
| LPR603533 | 630 | 3.7V | 1C | 6.0 | 35 |
| LPR633027 | 430 | 3.7V | 3C | 6.3 | 30 |
| LPR653027 | 430 | 3.8V | 5C | 6.5 | 30 |
| LPR653929 | 665 | 3.85V | 1C | 6.5 | 39 |
| LPR654442 | 1000 | 3.7V | 15C | 6.5 | 44 |
| LPR676553 | 2000 | 3.7V | 8C | 6.7 | 65 |
| LPR693027 | 500 | 3.7V | 1C | 6.9 | 30 |
| LPR704230 | 835 | 3.7V | 5C | 7.0 | 42 |
| LPR755040 | 1500 | 3.7V | 1C | 7.5 | 50 |
| LPR913535 | 950 | 3.7V | 1C | 9.1 | 35 |











