China National Standardization Administration Committee official website shows that the country's first mobile power national mandatory standard has been officially issued, and will be implemented on August 1, 2015. The standard number of this standard is GB 31241-2014, which is called "Safety Requirements for Lithium Ion Batteries and Battery Packs for Portable Electronic Products" and contains more than 30 data indicators.
It is understood that the first mobile power mandatory standard GB 31241-2014, the full name is "Lithium ion battery and battery safety requirements for portable electronic products", the English standard name "Lithium ion cells and batteries used in portable electronic equipments - Safety requirements" The standard will be officially implemented on August 1, 2015. Now, the China Energy Certification Center (CQC) New Energy Division has begun to accept the GB31241-2014 standard certification.
According to the test indicators, the battery pack test items include general safety requirements (safe working parameters, marking requirements, warning instructions, durability), as well as battery pack environmental tests, battery pack electrical safety tests, battery pack protection circuit safety. More than 30 tests including test requirements and system protection circuit safety requirements. The standard has tested deadweight coverage for mobile power.
In recent years, there have been frequent safety accidents such as explosions caused by mobile power. The mobile power industry has low barriers to entry, poor product quality, and disorderly competition. Before the mobile power market, there was no uniform certification standard. Without market supervision, consumers would become vulnerable groups.
Here are all BOSCH power tools and the designated carbon brushes,motor brushes, electric brushes, motor brushes, electric motor brushes or simply brushes.
For each power tool, there are usually two carbon brushes to choose from: With automatic stop and without automatic stop. Carbon brushes with automatic stop have a spring through the length of the carbon brush. When the carbon brush wears out, the spring gets released, the current to the carbon brush gets interrupted and your power tools switches off at once. The advantage: No additional wear and tear to your power tool. Carbon brushes without automatic stop do not stop functioning at once, but performance of your power tool will detoriate rapidly. Although handy as a warning sign, this usually isn't very beneficial to your power tool.
If you can't find your BOSCH power tool here, please contact us: Most likely we can help!
Bosch Carbon Brush,Bosch Grinder Carbon Brush,Bosch Carbon Brush For Power Tools
Haimen Hailing Carbon Industry Co., Ltd. , http://www.carbonbrush-hl.com