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  • Production Line



    Custom Battery Pack Design & Assembly


    Custom Battery Pack Solution from Design to Delivery for over 20 years


    Unitech established in 1999, we provided custom battery pack assemblies for the applications of: Portable Device Batteries, Medical Device Batteries, Heated Clothing Batteries, Replacement Batteries, Custom Battery Packs, Solar Batteries, Electric Scooter Batteries, etc. We have rich experience of Custom Battery Pack Design & Engineering, we can provide the suitable custom battery solutions based on your needs.


    High Quality Lithium Battery Manufacturers


    We are industry leader and focus on manufacturing excellent quality lithium battery packs, li ion battery. With competitive cost, fast delivery time, long lifespan, we have been the golden battery supplier for many global companies.





    Unitech Energy System Limited factory production line 0

    OEM/ODM Batteries Supplier


    We can provide you:


    1. OEM&ODM Service: provides an one-stop battery solutions for your customers, make the custom batteries based on client's requirements.

    2. Quality Assurance:we have our own testing lab, all the lithium ion batteries have 100% QC inspection before delivery, and you can get the test reports for your rechargeable battery.

    3. Competitive price: factory price, we will save cost since you are direct purchase from the custom battery manufacturer.

    4. Certification applying: we cooperate with many famous testing lab can help you apply the certifications you need, like UN38.3, UL2054, IEC62133, MSDS, CE, CB, etc

  • R&D

    Unitech Energy System Limited factory production line 0


    Custom Battery Pack Design & Engineering

    Excellent R&D Ability


    Unitech has a 50 person R&D team, our skilled battery design team will ebaluate your battery packs for the safety performance, long lifespan, and reliable operation.


    For Battery Pack Assemblies, Li ion Battery Pack Assembly, Custom Battery Pack design, Custom Battery Packs, Custom Battery Solutions, LiFePO4 Battery, 18650 Rechargeable Battery, Li Polymer Battery, please contact us to get your portable power solution.


    Contact Info:


    Ms Olinda


    Wechat/ Whatsapp: +86 18128561764






    Unitech Energy System Limited factory production line 1

Contact Details
Unitech Energy System Limited

Contact Person: Mrs. Olinda

Tel: +86-181 2856 1764

Fax: 86-755-23449332

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