Learn More Ufine Batteries

Here are the detailed specifications for our batteries. If you have any questions, feel free to contact us anytime.

Professional Lithium Polymer Battery Manufacturer

Your satisfaction, our priority.

UFine's products have obtained various certifications. We haven't show all the certificates here, and if you need more certifications'information or require certificates for custom products, please contact us. We are committed to continuously testing our products for compliance with regulations like RoHS, REACH, etc. This ensures our products meet the necessary standards.


Steps to Custom Lithium Polymer Battery


Enquiry and Design

Contact us with requirements. The technical team creates tailored designs.


Sampling and Sample Testing

Receive customized battery samples for evaluation within two days.


Confirmation and Production

Finalize specifications, sign the production contract, and pay a 30% deposit.


Delivery and Shipping

Make final payment, and arrange safe and efficient delivery.


  • How long does it take to fully charge a lithium battery?

    Charging time depends on the battery's capacity and the charger's current. For example, if the battery capacity is 4000mAh and the charger current is 2500mA, charging time = 4000mAh / 2500mA = 1.6 hours.
  • How does a lithium-ion battery pack differ from individual lithium-ion cells?

    A Lithium-ion Battery Pack combines multiple cells to offer higher voltage and capacity than individual cells, suitable for high-power applications such as electric vehicles and military batteries.
  • How long do lithium batteries last?

    Our lithium battery cycle life is more than 500 times. The lifespan of a lithium battery depends on various factors, such as usage patterns, charging and discharging conditions, and overall maintenance.
  • Can lithium batteries be customized for specific applications?

    Yes, lithium batteries can be customized to meet specific requirements. This includes customizing the battery capacity, voltage, size, shape, and other parameters to suit the application's needs. Capacity: 20mah~12000mah, Voltage: 3.2v~48v.
  • Can low-temperature batteries be utilized in mobile applications or devices operating in cold climates?

    Yes, these batteries are designed for mobility and can reliably power devices in cold climates, ensuring consistent performance.
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