<s id="k82sw"><acronym id="k82sw"></acronym></s>
<sup id="k82sw"><samp id="k82sw"></samp></sup>
<noscript id="k82sw"><table id="k82sw"></table></noscript>
  • <li id="k82sw"></li>
    <dfn id="k82sw"></dfn>
    国产无码久久,久久99视频,欧洲无码视频,国产免费AV网站,色诱久久,jjzz国产,国产亚洲成人网,橹橹色
    Hotline:400-880-1556

    English




    UL 2056 certification for mobile power terminal products——ZRLK

    Author:中認聯科 time:2023-06-21 Ctr:2169

    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
    • Export compliance to Saudi Arabia must be seen! 2026Type-C interface mandatory testing new regulations, these products need to be prepared immediately!

    • Urgent reminder! South Korea enforces the new regulations of Type-C interface, involving 13 types of products such as mobile phones and tablets

    • China RoHS new regulations come to the ground! 10 controlled substances are officially implemented, how do relevant enterprises respond?

    • Information | ECHA plans to add two substances to the SVHC list!

    Follow Us
    主站蜘蛛池模板: 性v天堂| 欧美性猛交xxxx免费看| 自拍偷拍视频网站| 中文字幕久久人妻| 精品无码国产污污污免费| 18岁日韩内射颜射午夜久久成人| 亚洲av色香蕉一二三区| 国产αv| 九九re线精品视频在线观看视频 | 久久福利导航| 开心色怡人综合网站| 色吊丝中文字幕| 久久无码av中文出轨人妻| 国产午夜亚洲精品国产成人| 国产精品1区| 熟女精品激情免费视频 | 辽宁省| 亚洲爆乳无码专区www| 2014AV天堂网| 男人扒开添女人下部免费视频| 国产亚洲无线码一区二区| 久久久噜久噜久久gif动图| 国产精品成人va在线播放| 日韩精品毛片人妻AV不卡| 亚洲a∨无码一区二区三区| 日韩人妻丰满无码区A片| 亚洲综合成人自拍| 偶偶福利影院| 久久亚洲精品中文字幕波多野结衣| 国产欧美日韩一区二区三区在线| 亚洲国产精品羞羞| 国产成人无码aa精品一区| 日韩精品人妻中文字幕有码| 精品无码一区二区三区| 青青草乱人| 国产亚洲av夜间福利香蕉149| 国产看黄网站又黄又爽又色| 亚洲精品有码在线观看| 久久久久久久久久8888| 久久久av男人的天堂| 国产精品集合|