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Customized Lithium Polymer Battery Supplier

For devices with limited internal space such as smart wearables, Bluetooth earphones, and drones, battery size and shape are often critical design challenges. Vcell Power Lithium Polymer Battery solutions support thicknesses as thin as 0.5mm, flexible custom shapes, and capacities ranging from 50mAh to over 3000mAh.

As an experienced China battery manufacturer, Vcell Power performs at least three full charge-discharge cycle tests on every cell before shipment. The company also provides products compliant with UL, CE, and RoHS standards, exporting to more than 80 countries and regions worldwide.

How to choose the right lithium polymer battery for your device?

Selecting the correct battery configuration is important for ensuring stable device performance, longer runtime, and reliable safety protection. Before choosing a battery, buyers should evaluate voltage, dimensions, current requirements, and connector compatibility.

  • Voltage Requirement: Determine whether the device requires 3.7V, 7.4V, or 11.1V Lithium Polymer Battery configurations.
  • Capacity and Dimensions: Confirm the required mAh capacity and the maximum available installation space inside the device.
  • PCM Protection Requirement: If a protection circuit module is needed, provide continuous operating current and peak current values for proper protection board matching.
  • Connector Type: Specify the connector model required for compatibility with the device system.
  • Below are two example models currently available from the official product line:

    Model

    Dimensions (T × W × L)

    Capacity

    Typical Applications

    302025 3.7V 120mAh Lithium Polymer Battery

    3.0 × 20 × 25 mm

    120mAh

    Mini Bluetooth devices, hearing aids

    884467 3000mAh 3.7V Lithium Polymer Battery

    8.8 × 44 × 67 mm

    3000mAh

    Portable speakers, medical terminals

    Overall, proper battery selection improves device efficiency, reduces design limitations, and supports long-term stable operation.

    What advantages do laminated manufacturing and solid electrolyte technologies provide?

    Vcell Power uses laminated manufacturing processes and solid electrolyte technologies to improve flexibility, energy density, and structural adaptability. These technologies help devices achieve thinner designs and better battery integration.

  • Ultra-Thin Design: Battery thickness can be as low as 0.5mm, suitable for extremely compact electronic products.
  • Custom-Shaped Capability: Flexible structure design supports non-rectangular battery compartments and irregular device layouts.
  • High and Low Temperature Performance: Suitable for outdoor electronics and industrial environments with varying temperatures.
  • Three Charge-Discharge Cycle Tests: Every cell undergoes multiple testing cycles before shipment to reduce defect rates.
  • International Certifications: Products comply with UL, CE, and RoHS standards for global market access.
  • The company also offers thousands of standard battery models, which helps many projects avoid the additional cost and lead time of completely new mold development.

    Overall, these manufacturing technologies improve battery reliability, flexibility, and compatibility for modern electronic products.

    Which devices are suitable for lithium polymer battery solutions?

    Different devices require different battery structures, capacities, and discharge performance. Vcell Power products are widely used in compact electronics, portable systems, and high-power applications.

    Portable Electronic Devices

    Compact electronic products require lightweight batteries with flexible dimensions and stable power output. Typical applications include:

  • Smart watches
  • Fitness bands
  • Bluetooth earphones
  • Portable speakers
  • Smart sensors
  • Smart home devices
  • For example, the Lithium Polymer Battery is suitable for ultra-compact devices such as hearing aids and mini Bluetooth products.

    High-Power Devices

    Power-intensive applications require stable discharge performance and reliable safety protection. Typical applications include:

  • Consumer drones
  • Industrial UAV systems
  • Portable monitoring equipment
  • Wireless communication devices
  • The Lithium Polymer Battery is suitable for devices requiring extended runtime, such as portable speakers, e-readers, and handheld medical equipment.

    For drone systems and high-current applications, multi-cell 7.4V or 11.1V configurations are commonly used to provide higher output performance.

    Overall, the product solutions can support both compact electronics and high-power portable systems with flexible customization options.

    Why are three charge-discharge cycle tests important?

    Battery consistency and quality control directly affect device stability and after-sales maintenance costs. Vcell Power performs at least three complete charge-discharge cycle tests on every Lithium Polymer Battery before shipment.

  • First Cycle Test: Activates the electrochemical system and checks initial capacity performance.
  • Second Cycle Test: Verifies charging and discharging consistency while identifying abnormal internal resistance or hidden defects.
  • Third Cycle Test: Confirms long-term stability and screens cells with early capacity decay or excessive self-discharge.
  • Compared with single-test inspection methods, this process helps improve shipment consistency and reduce defective battery rates during mass production.

    For OEM and bulk procurement projects, this testing system helps reduce production-line failures and after-sales repair costs.

    What information should buyers provide before customization?

    To improve project efficiency and battery compatibility, buyers should prepare key technical information before customization. This allows engineers to evaluate feasibility and recommend suitable configurations more accurately.

  • Voltage Requirement: Confirm whether the project requires 3.7V, 7.4V, or 11.1V configurations.
  • Capacity and Size Requirement: Provide the required battery capacity and installation dimensions.
  • Working Current Information: Continuous current and peak current values help determine appropriate PCM protection solutions.
  • Connector Specification: Connector type and cable requirements ensure compatibility with the device system.
  • For fully custom-shaped battery projects, buyers can also provide 2D drawings or structural files for engineering evaluation and mold development.

    Frequently Asked Questions

    Q: Are Vcell Power batteries suitable for high and low temperature environments? A: Yes. The company has experience manufacturing batteries for both high-temperature and low-temperature applications. Specific operating temperature requirements can be discussed with the engineering team.

    Q: Do the product comply with international certifications? A: Yes. Products comply with UL, CE, and RoHS standards to support international market requirements.

    Q: Can custom-shaped battery designs be supported? A: Yes. Vcell Power supports custom-shaped Lithium Polymer Battery solutions based on customer drawings and structural requirements.

    Q: Which markets does Vcell Power export to? A: Products are exported to more than 80 countries and regions, including Europe, North America, and Southeast Asia.

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