日韩欧洲精品无码AV,99国产午夜精品一区二区天美,精品久久免费一区二区三区四区,久久综合图区亚洲综合图区,久久久久亚洲AV免费观看,精子网久久国产精品,亚洲AⅤ无码一区二区二三区性色,亚洲精品国产电影,亚洲资源在线观看,婷婷五月丁香在线

  • 
    
  • <ul id="yy6ca"></ul>
  • <del id="yy6ca"></del>
    <ul id="yy6ca"></ul>
    <strike id="yy6ca"><menu id="yy6ca"></menu></strike>
    Hotline:400-880-1556

    English




    UL 2056 certification for mobile power terminal products——ZRLK

    Author:中認聯(lián)科 time:2023-06-21 Ctr:1160

    UL is short for Underwriter Laboratories Inc UL Safety Laboratory is the most authoritative institution in the United States, and it is also a large private institution engaged in safety testing and appraisal in the world. It is an independent, non-profit professional organization that conducts experiments for public safety. Different from FCC certification, UL certification is a safety certification. UL is mainly engaged in product safety certification and operating safety certification business. Its ultimate goal is to obtain goods with a fairly safe level for the market and make contributions to ensuring personal health and property safety. In the United States, for consumers, UL is a symbol of safety signs, and globally, UL is one of the most reliable suppliers of conformity assessment for manufacturers.

    image.png

    UL 2056 standard is a safety standard for mobile power terminal products in the United States, which is suitable for products with DC power input and output of 60Vdc, but does not include products powered by external solar panels or vehicle-mounted 12Vdc power ports.

    UL 2056 test project

    1. Short circuit test: (indoor temperature)

    2. Short circuit test: (at 55°C)

    3. Abnormal charging test

    4. Overcharging test

    5, forced discharge test

    6, limited power test

    7. Temperature rise test of battery components

    8, battery surface temperature rise test

    9, 250N constant force test

    10. Mould shell pressure test

    11. Drop test

    12. Input test

    13, overload test

    14. Capacity test

    Materials to be prepared for UL 2056 application

    1. UL 1642 certificate of battery and battery specification;

    2. Specification of mobile power supply (including PCB schematic diagram, PCB layout diagram and dimension diagram);

    3. Business license and ISO certificate;

    4. Component specifications (MOS, IC, etc.);

    5. product Label;;

    6. Please confirm whether the charging treasure can be charged and discharged at the same time, and what are the ways to do it at the same time;

    7. Improve the basic information of products.

    UL 2056 certification process for mobile power terminal products

    1. Project determination: confirm the UL standard, certification cost and time, sample number, etc. on which the test is based;

    2. Preparation of materials: According to the requirements of UL, the enterprise prepares various materials or documents required for certification;

    3. Sample sending test: the enterprise sends samples to ZRLK testing laboratory for product testing;

    4. Issue report: The product test results meet the requirements of UL standard, and the test report is formally issued;

    5. Factory audit: UL will conduct the first factory inspection of the production factory to ensure that it meets the standard requirements;

    6. Logo use: After the examination meets the requirements, the applicant is officially authorized to use the UL logo.

    image.png

    Please contact ZRLK for the certification of mobile power terminal products UL 2056, and we will provide you with professional and efficient testing and certification services with favorable price and thoughtful service. If you provide us with product pictures and specifications, we will give the corresponding cycle, quotation and specific plan according to your products. Welcome to inquire!

    Related Articles
    • UN38.3 Certification: The "International Pass" for the Export of Pouch Batteries

    • CCC Certification for Pouch Batteries: How to Enhance Product Quality and Market Competitiveness

    • Attention! Several safety and energy efficiency resolutions have been issued in Argentina

    • News Express | EU REACH Annex XVII adds Item 50a restriction on polycyclic aromatic hydrocarbons (PAHs)

    Follow Us
    欧美xxxx黑人又粗又长| 亚洲精品国产av成拍色拍| 无码精品视频一区二区三区| jk美女自慰喷水| 亚洲欧美日韩在线不卡| 99久久精品国产一区二区三区| 国产一区二区在线视频| 欧美性videos高清精品| 亚洲欧美日韩精品久久| www夜片内射视频在观看视频| 激情综合色综合啪啪开心| 精品三级AV无码一区| 国产精品中文原创av巨作首播| 乱伦91视频| 久久66久这里精品99| 亚洲天堂婷综合久久| 国产无码精品三区| 人妻AV无码一区二区三区免费| 免费 无码 国产真人视频九色| 国产视频99| 久久伊人影视| 四虎成人精品在永久免费| 好吊妞视频这里有精品| 国产人碰人摸人爱视频| 97久久婷婷五月综合色d啪蜜芽| 暖暖在线观看免费高清完整版| 国产三级精品三级在线专区| 国产免费久久精品99久久| 亚洲午夜精品久久久久久浪潮| 国产精品久久久一区二区三区 | 国产高清不卡无码视频| 激情内射亚洲一区二区三区| 日韩精品视频一区二区三区| 国产嫩草在线免费观看| 日韩不卡AV| 毛茸茸的中国女bbw| 国产偷国产偷亚洲高清日韩| 久久亚洲sm情趣捆绑调教| 狠狠躁夜夜躁人人爽天天| 三级国产三级在线| 丁香综合五月|