Complete Process

With ERP and PDM system, to realize the management information, systematic quality.

Best Energy Solutions

Over two decades of rich experience in the windenergy sector. Over 17,900 MW capacity.

End-to-end Services

Vast experience in power evacuation, land procurement liaisoning and working with state.

Global Expertise

A perfect blend of global experience andexpertise to further our focus on technology.

About Us
XXYears ofExperience

About Us

ShenZhen Doyen Energy Co. Ltd., established in 1995, a comprehensive enterprise dedicated to the research, development, production and wholesale of Lithium battery pack, solar energy storage products. With a group of professional and technical personnel in Li-ion battery pack and solar power products, Doyen has strong technical force, strong product development and production capacity. Our products cover all kinds of battery power supply, chargers, solar monitoring and energy storage, intelligent energy operation and maintenance system, etc. We are committed to providing customers with the best smart power solutions, optimizing the energy organizational structure, and comprehensively improving innovation and productivity....

  • Medical device industry
  • Automobile manufacturing industry
  • Mold industry
  • Aeronautics and astronautics
  • Tool industry
  • 3C industry
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hot sell
Hot Products
48V lithium ion battery pack f
48V lithium ion battery pack f

48V lithium ion battery pack for electric bike,electric vehicle storage systemPr

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12V 200Ah LiFePO4 Battery
12V 200Ah LiFePO4 Battery

General Information· Product Name: 12V 200Ah Lithium Iron Phosphate Battery (LiF

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12V 150Ah LiFePO4 Battery
12V 150Ah LiFePO4 Battery

Product Specification for 12V 150Ah LiFePO4 BatteryGeneral Information· Product

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12V 100Ah LiFePO4 Battery
12V 100Ah LiFePO4 Battery

Product Specification for 12V 100Ah LiFePO4 BatteryGeneral Information· Product

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113248 3.7V1800mah lithium pol
113248 3.7V1800mah lithium pol

ItemsSpecificationsModel Size113248Nominal Capacity1800mahMinimum Capacity18

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7.4V5000mah Rechargeable Lithi
7.4V5000mah Rechargeable Lithi

ItemsSpecificationsModel Size6767100Nominal Capacity5000mahMinimum Capacity5

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3792110 Rechargeable Lithium I
3792110 Rechargeable Lithium I

ItemsSpecificationsModel Size3792110Nominal Capacity3400mahMinimum Capacity3

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974774 7.4V 4000mah  Rechargea
974774 7.4V 4000mah Rechargea

ItemsSpecificationsModel Size974774Nominal Capacity4000mahMinimum Capacity40

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relation

10y

Production experience

24h

After-sales service

1880+

Sign a contract

+86-15989445783

We have advanced technology and industry expertise to create innovative solutions that connect individuals and businesses.

Contact us

Why choose our company?

We provide factory VR demonstration services, you can contact our staff to learn more about our production qualifications and high-end equipment conditions.

One more of us, you have one more choice

Customized process

  • 1
    Manufacturing experience

    Manufacturing experience

    A team of professional senior engineers provides one-stop service solutions for sentry booth development.

  • 2
    Strict quality inspection

    Strict quality inspection

    Accurate sample preparation before production, to ensure the accuracy of dimensional data Good workmanship, good quality.

  • 3
    Products widely used

    Products widely used

    To provide our customers with better and more practical products.

  • 4
    Order comform

    After-sales service system

    24-hour online customer service at any time to respond, so that you worry!

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