Polymer Lithium Battery
Your Professional Polymer Lithium Battery Supplier!
Since its establishment in 2011, Shencai New Energy Co., LTD has always focused on the research and development, production and sales of batteries and energy storage, and has built an integrated business system. The company insists on being customer-oriented, and in the process of power station design and operation, it fully combines the actual needs of customers to provide customized battery solutions. Our products include House storage, Portable storage for outdoor useuse, Solar Inverter, solar energy system, Group storage, Container energy storage system, etc.
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Customized OEM 400mAh Rechargeable Li-ion Lithium Polymer...Our Lithium polymer 3.7v lipo battery can be designed into various shapes according to specific application requirements, improving design flexibility. This feature makes soft-packed batteries...read more
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3.7V 400mah 502030 Rechargeable Lithium Polymer Battery C...The light weight and thin cell thickness (typically no more than 10mm) of this Lithium Polymer Battery make it a significant advantage in some devices that require high weight and volume, as well...read more
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OEM 3.7v Rechargeable Li Ion Polymer BatteriesPolymer Batteries has a long cycle life, up to 500 cycles or more in normal use, which provides a long service life compared to other battery types. As well as it has a very low self-discharge...read more
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Customized Rechargeable 3.7v Li Polymer Battery CellWe mainly produce small capacity Rechargeable 3.7v Li Polymer Battery with cell capacity of 400mAh and below. Its structure is characterized by the use of soft plastic film (such as...read more
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Hot Selling Rechargeable Li-Polymer Lithium Polymer 3.7VLithium Polymer Batteries Lithium polymer batteries, also known as LiPo batteries, are a type of rechargeable battery with distinct chemical properties. Compared to older battery technologies,...read more
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Lithium Ion Polymer BatteryPolymer lithium-ion batteries offer better safety performance compared to ordinary lithium-ion batteries. In situations such as overcharging or short-circuiting, ordinary lithium-ion batteries may...read more
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Rechargeable Lithium Polymer BatteryLithium polymer batteries, also known as LiPo batteries, are a type of battery with distinct chemical characteristics. Compared to traditional batteries, they are known for their high energy...read more
Why Choose Us
Professional Team
We have a professional technical team composed of senior experts and engineers, focusing on developing cutting-edge technologies and continuously improving battery performance to meet the ever-changing needs of the market.
Quality Control
We strictly implement a comprehensive quality management system to ensure that every battery meets or exceeds international standards. From the storage of raw materials to the delivery of finished products, each link has a dedicated person responsible for quality inspection to ensure high consistency and excellent reliability of the products.
Customized Service
We always place customer needs at the core. During the design and operation of power stations, we fully integrate customers' actual needs to provide customized battery solutions that help customers achieve optimal performance and benefits.
Our Best-Selling Polymer Lithium Battery
Lithium Ion Polymer Battery
Polymer lithium-ion batteries offer better safety performance compared to ordinary lithium-ion batteries. In situations such as overcharging or short-circuiting, ordinary lithium-ion batteries may experience internal temperature increases, decomposition of cathode materials, and oxidation of anode and electrolyte materials.
Rechargeable Lithium Polymer Battery
Lithium polymer batteries, also known as LiPo batteries, are a type of battery with distinct chemical characteristics. Compared to traditional batteries, they are known for their high energy density, miniaturization, and lightweight design. Lithium polymer batteries are ultra-thin and can be manufactured in various shapes and capacities to suit the specific needs of different products.
Hot Selling Rechargeable Li-Polymer Lithium Polymer 3.7V
Lithium Polymer Batteries Lithium polymer batteries, also known as LiPo batteries, are a type of rechargeable battery with distinct chemical properties. Compared to older battery technologies, they offer several advantages: High Energy Density: They store more energy in a smaller space.
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Polymer Lithium Battery Specification
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Product name |
Lithium polymer battery |
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Product name |
502030 |
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Nominal capacity |
400mAh |
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Nominal voltage |
3.7V |
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Dimension |
5*20*30mm |
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Scope of application |
Headphones,laptops,cell phones tablets etc. |
Advantages of Polymer Lithium Battery
High energy density
The weight of a polymer lithium battery is half that of a nickel-cadmium or nickel-hydride battery of the same volume, and the volume is 40-50% that of nickel-cadmium and 20-30% that of nickel-hydride, making it a large-capacity battery of the same volume.
Thin thickness
Liquid lithium battery adopts the method of first customizing the shell and then plugging the positive and negative electrode materials. There is a technical bottleneck when the thickness is below 3.6mm, while the polymer cell does not have this problem. The thickness can be less than 1mm, which is in line with the development direction of applications thinning.
Low internal resistance
The internal resistance of polymer batteries is lower than that of liquid batteries. Currently, the internal resistance of polymer batteries can even be below 35mΩ, which greatly reduces the power consumption of the battery and can effectively extend the standby time of application products.
Customizable shape
Polymer lithium battery can increase or reduce cell thickness according to customer demand, the development of new cell model, cheap price, mold opening cycle is short, some even according to the shape of applications tailored shaped battery, to make full use of battery shell space, improve the battery capacity.
Good charging and discharging characteristics
The constant current and constant voltage charger with a rated voltage of 4.2V can make the polymer lithium battery fully charged in one to two hours. Polymer batteries use colloidal electrolytes, which have more stable discharge characteristics and higher discharge platform than liquid electrolytes.
Good safety performance
The outer package is an aluminum-plastic package, which is different from the metal shell of liquid lithium battery. Due to the use of flexible packaging technology, internal quality hidden trouble can be immediately through the outer packaging deformation and show, once the occurrence of safety hidden trouble, will not explode, will only swell.
High voltage
The operating voltage of a single polymer lithium cell is 3.7v (average), equivalent to three nickel-cadmium or nickel-hydride batteries in series.
Long cycle life
Under normal conditions, the polymer lithium battery charge and discharge cycle can exceed 500 times.
Polymer Lithium Battery Structure

Areas of Application for Polymer Lithium Batteries
Consumer electronic
In consumer electronics, they are the preferred choice for devices such as smartphones, tablets and laptops, as they offer high energy density and low weight. These characteristics make them ideal for portable devices that require long operating times and short charging times.
Model making
Another important area of application is model making, especially in remote-controlled airplanes, drones and cars. The ability of LiPo batteries to deliver high discharge rates enables these vehicles to achieve high speeds and long flight times. Their flexible design allows them to be integrated into a wide variety of models, which explains their popularity in this area.
Other areas of application
Polymer lithium batteries are also increasingly being used in electric vehicles, both in private cars and in public transportation. Their high energy density and fast charging capacity make them an attractive option for the automotive industry. They are also used in portable medical devices, wearables and a variety of industrial applications where a reliable and powerful energy source is required.

Storage of Polymer Lithium Battery
To maintain the polymer lithium battery capacity, it is recommended that the polymer lithium battery and polymer lithium battery pack be stored at -20 to 35 ° C with low humidity and no corrosive gas
Avoid storing the battery in high temperature or high humidity. Doing so may cause the polymer lithium battery to leak, rust, and have low capacity.
Long-term storage may result in the capacity of polymer lithium battery and polymer lithium battery pack be less, may require up to 1-3 charge / discharge cycles to achieve the highest discharge capacity.
The polymer lithium battery needs to be re-charged and re-discharged once after three months of storage.
Customized Service
In order to better meet the diverse needs of different industries and customers, we can customize lithium ion battery professional solutions according to your specific application scenarios and special requirements. If you need further information or support, please feel free to contact us.
Our Certificate

FAQ
We're well-known as one of the leading polymer lithium battery manufacturers and suppliers in China. We warmly welcome you to buy high quality polymer lithium battery for sale here from our factory. Also, customized service is available.
House Power Storage, Container Energy Storage for Hospital, Household Battery Storage