Custom Battery Pack Solution from Design to Delivery for over 20 years
Unitech Energy System Limited established in 2009, we provided custom battery pack assemblies, Custom Battery Pack Design & Assembly 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. We are high quality lithium battery manufacturer 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.
Your Global Manufacturing for Custom Cable Assembly
Unitech Electronic Ltd is more than just a cable harness supplier. Unitech is a trusted electrical harness manufacturer offering custom wiring solutions tailored to your exact specifications. Whether you need a standard extension lead or a fully custom cable assembly — including specific lengths, gauge, or connector configurations — we have you covered. Our automated production ensures consistent quality, and our engineering team supports you from cable assembly design to full scale cable assembly manufacture. Our core manufacturing process includes:
Design & Prototyping - Our engineering team conducts a preproduction design review and develops a functional prototype to validate fit, form, and function before full scale manufacturing begins.
Precision Cutting & Stripping - Computer controlled machines cut each wire to exact specifications and strip insulation with consistent accuracy — eliminating human error and ensuring repeatability.
Termination & Crimping - Terminals and connectors are securely crimped onto prepared wires using calibrated tooling, following industry standard pull test and crimp height specifications.
Harness Assembly & Routing - Wires are routed into finished harnesses using schematic boards (assembly fixtures). Cables are bundled and secured with cable ties, adhesive tape, or protective tubing — depending on application requirements.
100% Testing & Quality Control - Every completed harness undergoes comprehensive electrical safety testing, including continuity verification and functional performance checks. Only harnesses that pass our strict QC criteria are released for shipment.
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Prodcution line for our Custom Cable Assemblies factory
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
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
Email: olinda@unitechelectronic.com
Wechat/ Whatsapp: +86 18128561764
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Contact Person: Mrs. Olinda
Tel: +86-181 2856 1764
Fax: 86-755-23449332