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UL

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
 


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