UL1973 the standard range covers batteries for the following applications:
energy storage: photovoltaic power station, wind power station, UPS, household energy storage, etc.
• Automotive auxiliary battery (excluding power drive battery)
• Batteries for light rail or fixed rail electrical energy storage systems
unlimited chemical substance battery
• Contains all kinds of batteries, chemical substances are not limited, including beta sodium batteries and fluid batteries
• Electrochemistry
• Battery and electrochemical capacitor hybrid system
Test Item Introduction
UL1973 Stationary Energy Storage Battery regular Test Project
Overcharge Overcharge
external Short Circuit
Protection of over-discharge protection Overdischarge
Temperature Rise and Operating Limits Confirmation Temperature and Operating Limits Check
unbalanced charging Imbalanced Charging
Withstand voltage test Dielectric Voltage Withstand
ground continuity Continuity
Cooling/Thermal Management System Failure Failure of Cooling/Thermal Stability System
Working voltage measurement Working Voltage Measurements
Locked-Rotor Test
Input Test Input
wire Stress Relief Test Stain Relief/Push-Back Relief
Vibration Vibration
mechanical Shock
extrusion Crush
Static Force
steel ball impact impact
Drop Impact (rack mounted module)
Wall Mount Fixture/Handle Test
Mold Stress Relief
Pressure release Pressure Release
Start-to-Discharge
temperature cycle Thermal Cycling
moisture-proof Resistance to Moisture
Salt Fog
exterior flame exposure External Fire Exposure
Single Cell Failure Tolerance Test Single Cell Failure Design Tolerance
UL1973 Project Certification Required Information
1. Battery specifications (including rated voltage capacity, discharge current, discharge voltage, charging current, charging voltage, maximum charging current, maximum discharge current, maximum charging voltage, maximum working temperature, overall product size, product weight, etc.)
2. Battery pack specification (including rated voltage capacity, discharge current, discharge voltage, charging current, charging voltage, maximum charging current, maximum discharge current, maximum charging voltage, maximum working temperature, overall product size, product weight, etc.)
3. Internal and external photos of the product
4. Circuit schematic diagram or system block diagram
6. Detailed circuit schematic diagram
7, circuit board components bitmap
8. Battery pack structure assembly diagram or explosion diagram
9. System safety analysis (such as FMEA,FTA, etc.)
10. Dimension drawings or technical specifications of key parts (such as heat sink, Busbar, metal parts, transformer, main protection Fuse, etc.)
11. Battery pack production date code
12. Battery pack label
13. Battery pack instruction manual
14. Other documents required for certification
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