lithium polymer battery

What is a Lithium Polymer Battery?

A lithium polymer (LiPo) battery is a type of rechargeable battery that uses a polymer electrolyte instead of a liquid electrolyte. LiPo batteries are known for their lightweight design, high energy density, and flexible form factors, making them ideal for applications where size and weight are critical. Let’s explore some important aspects of LiPo batteries:

Lithium Polymer vs. Lithium-ion Battery

  • Form Factor:LiPo batteries are typically more flexible and can be made in a variety of shapes and sizes, while lithium-ion (Li-ion) batteries usually come in rigid cylindrical or prismatic forms.
  • Energy Density:Li-ion batteries tend to have higher energy density than LiPo batteries, but LiPo batteries offer better flexibility and lighter weight, which is ideal for portable applications.
  • Safety:LiPo batteries are generally safer than Li-ion batteries, as they are less prone to leaking or exploding when damaged.

LiPo Battery Storage

LiPo batteries should be stored in a cool, dry environment and maintained at about 50% charge to ensure long lifespan and prevent capacity loss. Storing batteries at full charge or completely discharged can lead to degradation.

Safety of LiPo Batteries

LiPo batteries are equipped with built-in safety features, including Protection Circuit Boards (PCBs) that safeguard against overcharge, over-discharge, and short circuits. This ensures safe operation during use and charging.

LiPo Charge Rate

LiPo batteries can charge at high rates, typically 1C to 5C depending on the battery’s design. Some specialized LiPo battery models support fast charging rates up to 10C, making them ideal for high-performance applications where quick recharge times are required.

Large Power: Trusted Lithium Polymer Battery Manufacturers

As a leading lithium polymer battery manufacturer, Large Power has been at the forefront of providing custom LiPo battery solutions for over a decade. We specialize in delivering high-quality, tailored LiPo battery packs that meet the demanding needs of global industries. With more than 540 successful projects, our experienced engineering team excels at designing compact, lightweight LiPo lithium batteries with superior energy density.

Whether you need a ready-to-use battery or a custom solution, we have hundreds of LiPo battery models in stock and offer flexible services to meet your specific application needs.

We have earned globally recognized certifications, including IEC62133, UN38.3, MSDS, RoHS, CE, CB, UL1642, and UL2054, ensuring that every LiPo battery we manufacture is safe, reliable, and compliant with international standards.

In addition to our standard LiPo battery offerings, we provide custom rechargeable LiPo battery solutions for various industries, ensuring that your unique needs are met with precision

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Why Choose Large Power as Your LiPo Battery Manufacturer?

Large Power is dedicated to providing the highest quality LiPo battery solutions, and we offer the following key benefits to our customers:

Part 1: Key Differences Between Semi-Solid-State, Lithium-Ion, and Solid-State Batteries

Comprehensive Certifications

Our LiPo batteries meet industry safety standards and are verified with international certifications such as IEC62133, UN38.3, UL1642, RoHS, and CE. However, please note that if your LiPo battery pack is customized to specific requirements, additional certification fees may apply.

Nominal and Rated Capacity: What Every Lithium Battery User Should Know

Expert Engineering Team

We specialize in designing 3.7V and 3.8V high-voltage LiPo batteries and provide customized solutions tailored to meet your unique power needs. Our team is experienced in developing durable, efficient, and safe LiPo batteries for a wide range of applications.

Reliable Protection Systems

Every LiPo battery we manufacture comes equipped with a Protection Circuit Board (PCB), ensuring that each battery is protected from overcharging, over-discharging, and short circuits, guaranteeing long-lasting performance.

Part 3: Advancements in Pushing Energy Limits

Customization Capabilities

We offer a range of custom LiPo battery solutions, including:

  • Self-heating technologyfor cold environments
  • High voltageand high C-rate performance for demanding applications
  • Extreme low-temperature operationdown to -50°C
  • Optimized energy densityfor extended battery life
  • Fast charging capabilitiesup to 10C
  • Strict size/weight requirementsfor compact designs
  • Waterproofand explosion-proof designs for specialized environments

Where Is Lithium Polymer Battery Used? Typical Application Scenarios

LiPo Battery Wholesale & OEM/ODM Solutions

Large Power is actively looking for wholesale partners who require OEM/ODM LiPo battery solutions. We are happy to support your next project and collaborate with you to create customized LiPo batteries that meet your specifications.

If you’re looking for a reliable LiPo battery supplier, contact us today to explore partnership opportunities!

Contact Us for Custom LiPo Battery Solutions

Large Power is your trusted partner for custom lithium polymer battery packs. Whether you need standard LiPo batteries or tailored solutions, our expert team will work with you to provide the best LiPo battery solution for your project. Get in touch today for more information or to discuss your specific needs!

Lithium Polymer Battery – Frequently Asked Questions

What is the main difference between lithium polymer and traditional lithium-ion batteries?

Lithium polymer batteries use a flexible aluminum-plastic pouch and gel-like electrolyte, making them lighter, thinner, and safer than traditional cylindrical or prismatic lithium-ion batteries.

How thin can a lithium polymer battery be?

We can produce ultra-thin designs down to 0.4mm. Common customized thicknesses range from 0.8mm to 10mm depending on capacity and structure.

Are lithium polymer batteries safe?

Yes. The pouch structure allows pressure release through swelling rather than explosion. They also include multiple protection circuits and comply with ROHS, UN38.3, and GB standards.

Can I fully customize the shape and capacity of the battery?

Absolutely. We support custom shapes, voltage levels, capacities (40mAh to 20Ah), electrode tab locations, and even complete module or housing designs based on your device requirements.

How long is the cycle life of a lithium polymer battery?

Under standard charge/discharge conditions, the cycle life exceeds 500 cycles. With proper management, the actual life span can be extended even further.

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