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Battery Charger PCB Assembly​

The radiation detector PCB is a sensitive "ionizing radiation sensing core" for environmental and industrial radiation monitoring. Designed to detect alpha, beta, gamma, and X-rays, it integrates radiation sensor circuits, signal amplification modules, and dose calculation algorithms. With our strict quality control in PCB assembly, it ensures high detection sensitivity and low false alarm rates, resisting electromagnetic interference and temperature drift. Suitable for nuclear power plants, medical institutions, geological exploration, and environmental radiation monitoring stations, providing real-time radiation dose data and safety alerts to protect personnel and the environment.​

    Battery Charger PCB Assembly--STHL

    Early challenges in battery charger adoption—such as weak charging signal capture, electromagnetic interference (EMI), and poor electrical safety isolation in high-voltage operation—have been overcome by specialized PCB assembly technologies, particularly high-efficiency rigid PCBs and high-precision surface mount technology (SMT). These innovations effectively enhance the sensitivity of analog front-ends for capturing faint charging current and voltage signals, while integrating EMI shielding layers to eliminate interference from external power grids and electronic devices. High-efficiency rigid PCBs, in particular, balance compact form factors with reliable power and signal transmission, supporting the miniaturization of portable and desktop battery chargers without compromising charging efficiency. This technological leap has enabled battery charger PCB assemblies to outperform traditional charging circuits in key areas:

    • Superior Signal Integrity

      Advanced impedance-controlled routing and ultra-low-loss PCB substrates minimize signal attenuation during the capture and regulation of weak charging signals. Equipped with high-resolution (≥16-bit) ADC integration, they ensure the accuracy of charging parameter control (voltage, current, charging speed), laying the foundation for precise battery charging and extended battery lifespan.
    • Versatile Form Factor Adaptability

      Compliant with IEC 60950 and UL 60950 charging safety standards, the assemblies adopt reinforced isolation designs (such as opto-isolation and galvanic isolation) to prevent electrical leakage and short-circuit risks. High-compatibility materials used in PCB substrates and conformal coatings also support flexible adaptation to diverse battery types (lithium-ion, lead-acid, nickel-cadmium), ensuring safety for long-term charging use.
    • Reliable Long-Term Operation

      ENIG (Electroless Nickel Immersion Gold) surface finishes and heat-resistant, moisture-proof conformal coatings (IP65 rating) provide excellent corrosion resistance, heat dissipation, and environmental protection. Combined with rigorous temperature and vibration testing, the assemblies maintain stable performance in home, industrial, and portable environments and during long-term continuous charging.

    Key Applications Across Consumer & Industrial Sectors

    Battery charger PCB assembly technology powers safe and efficient battery charging in diverse consumer electronics, industrial, and daily use scenarios, supporting reliable operation of all battery-powered devices.

    Consumer Electronics Charging

    Portable device chargers and fast-charging adapters, featuring multi-voltage output and over-charge protection functions, integrated with consumer electronic devices (smartphones, tablets, laptops) for seamless charging and device protection.

    Home & Daily Use Charging

    Household battery chargers and smart charging docks, leveraging low-power consumption design and fast-charging technology for 24/7 continuous charging without restricting daily use of home devices.

    Industrial & Equipment Charging

    Industrial-grade battery charger PCBs and equipment charging modules, built with rugged enclosures and anti-interference circuits to ensure stable performance in factories, construction sites, and industrial equipment charging scenarios.

    Portable & Emergency Charging

    Portable power bank PCBs and emergency charger assemblies, supporting fast charging and compact design for on-the-go use, providing reliable charging guarantees for outdoor activities, travel, and emergency situations.

    Why STHL PCBA should be your top choice for your LED PCBA needs?

    Let's explore the top 10 reasons why!

    Real Factory

    STHL PCBA is a real factory with 10,000+m² highly automated, dust-free factory,7 SMT lines, 2 DIP lines, 2 FCT lines, and 2 box building assembly lines. 

    Quality Guarantee

    We buy components from famous international platform like Mouser, Digikey, Farnell, Future, Avnet, Arrow or the agents. No components substitutes without customers approval!

    Rich Experience

    20+ years of experience in PCB & PCBA field.

    Cost Dowm

    Professional engineering team supports cost down.

    Global Sourcing

    500k parts with 100+ agents and suppliers.

    No MOQ

    No minimum order requests, we accept both prototype and volume quantity orders.

    Fully Certified

    With IATF16949, ISO9001, ISO14001, ISO13485 Certifications.

    NDA

    We ensure all of your projects documents security and sign NDA before RFQ.

    Intelligent Management

    Use Intelligent ERP system, MES (manufacturing execution system) for fast tracking.

    Fast Delivery

    Prototype orders will be fast completed and delivered, mass orders lead time is 4~5 weeks.

    About STHL PCB & PCBA

    LED PCB Assembly Revolutionizing Lighting Technology with Precision and Per (1)

    Shenzhen STHL Technology Co., Ltd. is a high-quality provider of electronics manufacturing services (EMS) in China, we serve customers worldwide along the whole industry chain including product design, material sourcing, PCBA production, cable assembly, box build assembly and comprehensive testing services.

    Established in 2006, we have more than 20 years of experience in electronics contract assembly manufacturing. Currently, we employ more than 220 staff members. Our 10,000 sqm facilities include 7 surface-mount technology (SMT) production lines, 2 through hole technology (THT) lines , 2 function testing lines and 2 box build production lines.

    At STHL, we provide electronics assembly services for energy power, communications, consumer electronics, computers & storage, safety & security, commercial and industrial products. Customers mainly from United States, Brazil, United Kingdom, Germany, Spain, Italy, Poland and . As an IATF16949,ISO9001, ISO14001, and ISO13485 certificated electronics assembly manufacturer, we produce products exactly comply with ROHS standard and quality guarantee. Based on our excellent engineering and production capacities in technical areas such as materials analysis & storage, advanced equipment, reliability testing (AOI, X-RAY, ICT test and function test), high effective SMT and THT assembly, we are recognized as a long-term reliable PCBA vendor by more and more customers wordlwide.

    Products Capability

    Items

    PCB capacity

    PCB name

    LED PCB Assembly: Revolutionizing Lighting Technology with Precision and Performance

    Material

    FR-4; High TG FR-4; Aluminum; CEM-1; CEM-3; Rogers, etc

    PCB type

    Rigid, flexible, rigid-flexible

    Layer NO.

    1, 2, 4, 6, up to 24 layer

    Shape

    Rectangular, round, slots, cutouts, complex, irregular

    Max PCB dimensions

    1200mm*600mm

    Board Thickness

    0.2mm-4mm

    Thickness Tolerance

    ±10%

    Min Hole Size

    0.1mm (4 mil)

    Copper Thickness

    0.5 OZ-3OZ (18 um-385 um)

    Copper Plating hole

    18um-30um

    Min Trace Width

    0.075mm (3mil)

    Min Space Width

    0.1mm (4 mil)

    Surface finish

    HASL, LF HASL, Imm Gold, Imm Silver, OSP etc

    Solder mask

    Green, red, white, yellow, blue, black, orange, purple

    Assembly details

    SMT and Thru-hole, ISO SMT and DIP lines

    Testing on products

    Testing jig/mold , X-ray Inspection, AOI Test, Functional test

    Quantity

    Min quantity : 1pcs. Prototype, small order, mass order, all OK

    Products Capability

    Files needed

    PCB : Gerber files(CAM, PCB, PCBDOC)

    Components : Bill of Materials(BOM list)

    Assembly : Pick-N-Place file

    PCB Panel Size

    Min size : 0.25*0.25 inches(6*6mm)

    Max size : 1200*600mm

    Components details

    Passive Down to 0201 size

    BGA and VFBGA

    Leadless Chip Carriers/CSP

    Double-sided SMT Assembly

    Fine BGA Pitch to 0.2mm(8mil)

    BGA Repair and Reball

    Part Removal and Replacement

    Component package

    Cut Tape, Tube, Reels, Loose Parts

    PCB+ assembly process

    Drilling---Exposure---Plating---Etaching & Stripping---Punching---Electrical Testing---SMT---Wave

    Soldering---Assembling---ICT---Function Testing---Temperature & Humidity

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    Digital Innovation

    APPhored (7)
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    Digital Innovation

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    Digital Innovation

    Material are (1)
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    Digital Innovation

    第24点图替换组合配图1
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    Digital Innovation

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    How to Get Started with STHL

    Ready to partner with us for your LED PCB Assembly project? Here’s how you can get started

    • Contact Us

      Contact Us

      Reach out to our sales team via phone, email, or online chat to discuss your project requirements.
    • Professional Expertise (2)

      Provide Design Files

      Send us your PCB design files (Gerber, BOM, etc.) for a detailed quote.
    • Cost-Effective Solutions

      Get a Quote

      We will provide you with a comprehensive quote, outlining all costs and timelines.
    • Delivery

      Production and Delivery

      Once the quote is approved, our team will begin production, ensuring your PCB assembly is completed on time and to the highest quality standards.

    Make an free consultant

    Whether you need PCB Fabrication or PCBA Assembly Service, STHL delivers innovation and reliability.

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