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3.7V Battery Pack 7.4V Battery Pack 11.1V Battery Pack 14.8V Battery Pack Other Battery Pack
Sino Science&Technology Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of Lifepo4 batteries,energy storage battery,portable UPS power supply,personalized customization lithium battery pack etc .
Environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery,3.7V lithium polymer battery, NiMH battery , NiCD battery ,Lead acid battery,dry cell battery ,alkaline battery ,heavy duty battery, button cell battery etc. we devote to R&D,innovation ,production & sales
Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc
Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.
Anhui Seong-hee New Energy Technology Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of primary batteries. And mainly produces and sells alkaline batteries & carbon zinc batteries. there are size AA, AAA, C, D, 9V etc
Guizhou STD Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production & sale of lithium polymer batteries, drone battery, airplane batteries & battery pack etc.
release time:2024-01-11 Hits: Popular:AG11 battery
On January 16th, the official website of the Standards Committee announced that in order to improve the safety level of lithium-ion batteries in consumer electronic products such as mobile phones, laptops, tablets, and power banks, and better protect consumer health and safety, the Standards Committee recently released the "Safety Requirements for Lithium ion Batteries and Battery packs for Portable Electronic Products" (GB 31241-2014) standard announcement, and published the full text of the standard in the mandatory standard disclosure column. This standard will be implemented from August 1, 2015.
This standard mainly specifies the requirements and testing methods for electrical safety, environmental safety, and mechanical safety of lithium-ion battery cells and battery packs under normal use, reasonable and foreseeable misuse and abuse conditions. According to the testing indicators, the testing items of the battery pack not only include general safety requirements (safety working parameters, identification requirements, warning instructions, durability), but also include more than 30 tests such as environmental testing of the battery pack, electrical safety testing of the battery pack, safety testing requirements for the battery pack protection circuit, and safety requirements for the system protection circuit.
This standard fully references and draws on mature testing methods from relevant international and foreign standards (UN, IEC, UL, etc.), and has revised and improved testing methods such as heat abuse testing, overcharging testing, and drop testing. New testing requirements have been added, such as protection circuit testing, high-temperature use testing, and material flame retardant requirements. The innovative content of standards such as heat abuse testing and protection circuit testing has been adopted by relevant international standards.
The introduction of this standard will be of great significance for improving the safety of lithium-ion battery products themselves, as well as related products such as "power banks" with lithium-ion batteries as key components.
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