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Custom energy storage battery packs

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3.7V Large-capacity polymer lithium battery 7373129 40000mAh medical devices lithium batteries

Custom energy storage battery packs
  • Specifications
  • medical devices lithium batteries
  • Smart home battery packs
  • Customized Li-Polymer battery




Charge Current:0.5C

Charging time:About 3.5 hours

Max.charge current:Constant Current 3CConstant Voltage 4.2V 0.01 C cut-off

Max.discharge current:Constant current 20 Cend voltage 3.0V

Discharge cut-off voltage:3.0V


Cell Dimension:130*73*30mm

Operating temperature:Charging:0℃~45℃ ;Discharging:-20℃~60℃

Fit for:Smart Home, robot, Smart home battery packs, medical equipment, etc


1. Size, model and capacity can be selected, strong applicability, can be customized according to customer requirements. All kinds of combinations can be carried out according to different requirements. Excellent quality and low price. Quality assurance: A core, high capacity, low internal resistance, stable voltage.

2. Performance is stable and cycle life is long. No memory effect: charge and discharge can be used at any time. High safety: built-in protective board, overcharge and over-discharge protection to ensure the safe use of batteries.

3. High energy density, long placement time, wide working temperature range, good sealing characteristics, stable discharge voltage.

4. Green environmental protection: no mercury, cadmium, lead and other harmful substances, in line with ROHS,SGS,MSDS certification.

5. Delivery period is short, service is perfect in place.

medical devices lithium batteries

Smart home battery packs

Customized Li-Polymer battery

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  • About Us

    We specialized in customize all kinds of rechargeable batteries and battery packs for more than 10 years, including Lithium-ion battteries, Lithium-Polymer batteries,Ni-MH batteries,Ni-CD batteries,LiFePO4 batteries.


  • How to get your batteries

    Firstly,please send us your battery specification requirements.Secondly,after all details informations are confirmed,battery samples will be arranged for your testing.Thirdly,Mass production will be arranged after samples are approved.

  • Certifications

    Required certifications can be made according to customers’ requirements.

  • Contact Information

    Tel No:0755-82772785
    Email: [email protected]
    Skype: knytechnology