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Battery pack application UL2054 certification details

Exporting countries：		U.S.A
Application items：		UL
Test standard：		UL 2054
Certification cycle：		3-4week
Factory inspection require		UL:When applying for UL certification for the first time, the first factory inspection shall be conducted after the certification and before the product is shipped. The follow-up inspectors will come to the factory from time to time for inspection. The frequency of inspection is determined by the type of product and production, and most types of products are inspected at least four times a year.
Documentation Material demand:	data：		remarks：
	1.Battery pack specification		Test needs, parameters must be correct
	2.Circuit diagrams andLayout		Consistent with the sample
	3.Product dimension drawing		Indicate unit
	4.Key list or BOM
	5.Electronic file label
	6.Production date code
Test items:	1.Short-Circuit Test		Short circuit test at room temperature and high temperature
	2.Abnormal Charging Test		Abnormal charge test
	3.Abusive Ocercharge Test		Overcharge test
	4.Forced-Discharge Test		Forced discharge test
	5.Limited Power Source Test		Curtailment test
	6.Battery Pack Cmonponent/Surface Temperature		Temperature rise test
	7.250N Steady Force Test		250NElectrostatic test
	8.Mold Sterss Relief Test		Stress relief test
	9.Drop Impcat Test		Drop Test

Details of application for ul1642 certification

Exporting countries：		U.S.A
Application items：		UL
Test standard：		UL 1642
Certification cycle：		New application: 6-8 weeks (need to consider cycle test), report: 3-4 weeks
Factory inspection required：		UL: When applying for UL certification for the first time, the first factory inspection shall be conducted after the certification and before the product is shipped. The follow-up inspectors will come to the factory from time to time for inspection. The frequency of inspection is determined by the type of product and production, and most types of products are inspected at least four times a year.
Document requirements：	data：		remarks：
	1.Structural section		First application for each structure
	2.Composition of electrolyte		First application and change of electrolyte composition
	3.Schematic diagram of pole piece and pole lug size
	4.Cell Form		Both testing and sampling are required, and the parameters must be correct
	5.Description data		Our company will provide customers with confirmation and complete information after sorting out
	6.Diaphragm specifications or parameters
	7.Production date code
Test items：	1.Short-Circuit Test		Short circuit test at room temperature and high temperature
	2.Abnormal Charging Test		Abnormal charge test
	3.Forced-Discharge Test		Forced discharge test
	4.Crush Test		Extrusion test
	5.Impact Test		Heavy impact test
	6.Shock Test		Acceleration shock test
	7.Vibration Test		Vibration test
	8.Heating Test		Temperature test (thermal shock)
	9.Temperature Cycling Test		Temperature cycling test
	10.Low Pressure(Altitude Simulation)Test		Simulated altitude low pressure test
	11.Projectile Test		Combustion test