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




Lithium battery UL certification——ZRLK

Author:中認聯(lián)科 time:2020-12-23 Ctr:1146

Why do companies need UL certification?

1. The entire US market pays great attention to product safety; when consumers and purchasers choose products, they will choose products with UL certification marks;

2. UL has a history of more than 100 years, and the image of safety is deeply ingrained by consumers and the government. If you do not directly sell products to consumers, the intermediary will also require the products to have UL certification marks to make the products sell well;

3. American consumers and purchasers have more confidence in the company's products;

4. The U.S. federal, state, county, and city governments have a total of more than 40,000 administrative districts, all of which recognize the UL certification mark.

Lithium battery UL certification requires information

1. Specifications of batteries and batteries;

2. Specifications and information of key battery components (such as MOS, IC, PTC, NTC, PCM, protection devices, etc.);

3. The UL 1642 certification file of the battery cell;

4. Plastic casing, tape, wire, and PCB and other related insulation parts must have UL certification.

Lithium battery UL certification test standard

UL2054 household and commercial batteries (group)

The UL2054 standard is mainly for lithium battery packs or lithium battery packs. Suitable for primary (non-rechargeable) and secondary (rechargeable) batteries used as power sources in the product. These batteries can be composed of a single electrochemical cell or two or more lithium-ion batteries that convert chemical energy into electrical energy through chemical reactions in parallel or in series.

Lithium battery UL certification test items

1. Electrical performance test: short circuit test, overcharge test, abuse overcharge test, over discharge test, limited power source test;

2. Mechanical test: extrusion test, impact test, acceleration test, vibration test;

3. Battery pack shell test: drop impact test, 250N static test, mold pressure release test, fire roast test, ejection test;

4. Environmental test: high temperature test, temperature cycle test, etc.

Lithium battery UL certification process

1. Project determination

Confirm the UL standard, certification cost and time, number of samples, etc. on which the test is based;

2. Data preparation

According to UL requirements, the company prepares all the materials or documents required for certification;

3. Sample delivery test

The company sends samples to the designated laboratory for product testing;

4. Issue report

The product test results meet the UL standard requirements, and the test report is officially issued;

5. Factory audit

UL will conduct the first factory inspection of the production plant to ensure compliance with the standard requirements;

6. Use of logo

After the audit meets the requirements, the applicant is officially authorized to use the UL mark.

image.png

The above is the relevant introduction about the UL certification of lithium batteries. If you have lithium batteries that need UL certification and commissioned testing, please contact our company ZRLK. We will provide you with professional and efficient testing and certification services, with favorable prices and courteous services. If you provide us with product pictures and specifications, we will give us the corresponding cycle, quotation and specific plan according to your product. Welcome to inquire!

Related Articles
  • [Holiday Notice] 2025 ZRLK New Year's Day/Spring Festival holiday schedule

  • Coffee machine ROHS test report handling guide

  • Cordless vacuum cleaner enters the Chinese market: the only way to 3C certification

  • Attention! California 65 short warning label has been revised and will take effect on January 1, 2025

Follow Us
人妻无码人妻有码中文字幕| 国产视频一区二区| 精品一卡2卡三卡4卡乱码理论国产 | 纯肉无遮挡H肉动漫在线观看国产| 国产卡一卡二卡三| 精品人伦一区二区三区潘金莲 | 嫩草视频网站| 精品无码av无码专区| 男人添女人下部高潮全视频| 久久亚洲国产成人精品性色| 色偷偷av一区二区三区| 国内精品伊人久久久久影院对白 | 国内免费视频成人精品| 99re在线视频免费观看| 亚洲国产精品热久久| 国产精品第十页| 日韩伊人网| 亚洲精品国产精品乱码不卡| 日产一线二线三线网站| 国产美女久久久久| 国产精品美女久久久久久| 久久中文字幕牲交| 亚洲国产AV综合网| 最近中文字幕的在线mv| 97综合视频| 天天爽夜夜爽夜夜爽| av无码精品一区二区三区四区| 免费a级毛片出奶水| 国产精品网址| 亚洲视频二区| 久久99久国产麻精品66| AV无码久久久精品免费| 人妻少妇精品视中文字幕国语| 亚洲美女免费视频| 亚洲成AV人片在线观看无| 亚洲精品一品区二品区三区| 国语一级毛片私人影院| 国产亚洲欧美在线精品| 少妇极品熟妇人妻100| 国产性生交xxxxx无码| 久热这里只有精品63|