中文字幕日韩在线观看,久久久人人玩人妻精品综合,国产欧美日本在线,久久精品免费视频6,欧美精品黄色网站,色综合久久久久无码专区,亚洲区欧美中文字幕久久,国产手机在线视频,国产中文字幕视频在线观看,日本一区二区免费在线观看

Hotline:400-880-1556

English




UL 2056 certification for mobile power terminal products——ZRLK

Author:中認(rèn)聯(lián)科 time:2023-06-21 Ctr:1430

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
  • Can the coding format for the same model of battery be changed? CCC certification application methods!

  • After CCC certification, the problem of marking semi-finished battery cells in battery packs is solved in this way!

  • Frequently Asked questions about battery pack warning instructions: These key points need to be kept in mind

  • Do you know the requirements for key components of the CCC report for lithium-ion batteries?

Follow Us
久久久久久亚洲精品不卡| 99久久精品午夜一区二区| 国内精品久久人妻无码不卡| 99久久综合精品五月天| 国产精品久久久久永久免费看| 国产精品久久久久久久久软件| 欧美爆乳乱妇高清免费| 一本到午夜92版福利| 国产欧美精品一区二区三区四区 | 久久亚洲欧美日本精品| 久久国产色av免费看| 北条麻妃一区二区三区av高清| 国产精品无码av一区二区三区| 天天夜碰日日摸日日澡性色av| 国产精品欧美亚洲韩国日本久久| 2024AV天堂网手机版| 9色视频在线观看| 日韩日韩日韩日韩日韩日韩| 国产区在线观看成人精品| 欧洲亚洲色视频综合在线| 一区二区久无码久免费视频| 亚洲乱亚洲乱妇50p| 亚洲av无码一区二区三区四区 | 亚洲av一宅男色影视| 两个人看的www视频免费完整版| 少妇人妻喷水| 亚洲国产精品成人久久蜜臀| 欧美A级中文完在线看完整版| 亚洲精品一品区二品区三区| 中文字幕有码无码人妻在线| 亚洲乱码精品久久久久.. | 欧美jizz18性欧美| 免费特级毛片| 不卡的日韩AV| 久久综合香蕉国产蜜臀av| 91超碰在线| 动漫人妻无码精品专区综合网| 深夜A级毛片视频免费| 亚洲尤码不卡av麻豆| 国产成人午夜高潮毛片| 麻豆国产av丝袜白领传媒|