lithium cells and batteries testing-凯发k8国际首页登录

lithium cells and batteries testing

rechargeable lithium-ion batteries, the most widely used in modern digital devices. fires and injuries from lithium-ion batteries have followed. state administrations for market regulation are very concerned about the quality of lithium-ion batteries. civil aviation departments of many countries are also cautious about the transportation of lithium-ion batteries. whether lithium-ion batteries comply with requirement of standard is highly concerned by manufacturers and users.

 

 

service content

noa|noa focus on the compliance and quality of electrical and electronic products, and establish a one-stop service platform for consulting, testing and certification. we provide testing and certification services for lithium cells and batteries used in mobile phone, palm computer, laptop, portable audio/video equipment, wearable electronic equipment, handheld appliance.

 

test items

cell capacity test

electrical safety test

environmental safety test

protection circuit safety test

relevant standards

○  gb31241《lithium ion cells and batteries used in portable electronic equipments ―safety requirements》

○  gb 40165《lithium ion cells and batteries used in stationary electronic equipments —safety technical specification》

○  iec62133-1/2《secondary cells and batteries containing alkaline or other non-acid electrolytes - safety requirements for portable sealed secondary cells, and for batteries made from them, for use in portable applications》

○  gb/t18287《general specification of lithium-ion cells and batteries for mobile phone》

○  gb21966/iec 62281《safety of primary and secondary lithium cells and batteries during transport》

service process
q&a
 
1.what is the difference between lithium cell and lithium battery?
lithium battery is made up of any number of cells. it includes packaging materials, connectors and electroniccontrolcircuits.
2.what are the possible dangerous phenomena caused by lithium battery testing?
leakage, venting, rupture, fire and explosion.
3.what are the requirements for cell or battery labeling in gb 31241?
at least the product name, model, rated capacity, limited charging voltage, positive and negative polarity (using "positive " and “negative" words, " ", "-" symbols or different colors, such as red and black), manufacturer or trademark, they should be indicated in chinese.
for the battery pack, the above identification should be marked on the battery pack body. for the product whose structure can ensure that the user is not likely to misplug under any use, the polarity identification can be omitted. for the cell, the rated capacity, model and positive and negative polarity shall be indicated on the body. the remaining identification shall be allowed on the package or specification. however, if the manufacturer and the user agree, the cell used for the combined battery pack may not be identified.
4.how many samples are required for lithium battery testing comply with gb 31241?
33 battery packs and 27 cells.
our advantage
authoritative qualification
noa has been approved by certification and accreditation administration of the people’s republic of china(cnca)(cnca-r-2002-051), and has obtained qualification of china inspection body and laboratory mandatory approval (cma),and has passed the multiple approvals of china national accreditation service for conformity assessment (cnas), international accreditation service (ias), united kingdom accreditation service (ukas), joint accreditation system of australia and new zealand (jas-anz). noa has been approved by state administration for market regulation of china, and has been recognized as inspection and testing institution of china's special equipment, as well as the qualification of china's national equipment supervision and engineering supervision. noa-dci is the notified body of the ce directive of the european commission. noa has been recognized by the international electrotechnical commission (iecq) by obtaining electronic component quality assessment system. it is also a national inspection and assessment notified body of import and export commodity in china.noa is a high-tech enterprise in shanghai.
improve performance, realize asset value appreciation, and service throughout the entire value chain
from pre-design to post-operation, noa has the ability to guarantee the whole life cycle of the business. noa, as an independent third-party inspection company, has a large number of domestic and international standards and specifications proficient in design, welding, non-destructive testing, painting, packaging and other fields the experienced team of professional engineers and inspection experts, with more than ten years of experience in the domestic market, is familiar with all aspects of the domestic industrial equipment supply chain, and can provide you with technical support services for the full life cycle of technical services in a timely manner, combining various products. inspection, certification, testing, consulting, and auditing services can provide you with one-stop all-round comprehensive services.
quality, efficiency and service
noa has formed a mature and solid operation system in the development of more than 20 years. we let technical experts who are familiar with market regulations and testing standards and have professional industry experience to carry out inspection, evaluation and design review work. while meeting the requirements of domestic and international standards, we ensure that customers can obtain satisfactory service results in the first time with accurate time-sensitive management methods, and ensure that customers can seize the opportunity in the market competition.
service area
noa inspection services currently cover europe, australia, russia, some middle east regions and most regions in china. noa can ensure the consistency and continuity of customer service in different regions, and eliminate the impact of unfamiliar environments on customer quality. the guarantees and the impact of project implementation enable customers to participate in different markets across the country or around the world with flawless quality.
submit your request
noa expert team to provide you with high-quality solutions
related download
凯发k8国际首页登录

tel: 86-400 821 5138

fax: 86-21 3327 5843

email:noa@noagroup.com

© 凯发官网首页 copyright noa group 凯发k8国际首页登录的版权所有
terms and conditions
qualification management formula
沪公网安备 31011502003435号
网站地图