Scope of Services
Battery cells, modules, packs, and systems for rail transit
Testing Standards
TJ_JW126-2020_Provisional Technical Specification for Testing Lithium-ion Power Batteries for Locomotives and EMUs Part 1: Battery Cells and Modules
TJ_JW127-2020_Provisional Technical Specification for Testing Lithium-ion Power Batteries for Locomotives and EMUs Part 2: Battery Packs and Systems
GB_T21563-2018_Shock and Vibration Testing of Rail Transit Locomotives and Rolling Stock Equipment
GB/T 44386-2024 Rail Transit - Onboard Traction Lithium-ion Batteries for Locomotives and Rolling Stock
GB 38031-2025 Safety Requirements for Power Batteries for Electric Vehicles
Testing Items
Charge and discharge performance at different temperatures and rates, temperature rise and temperature field distribution under specific operating conditions, verification of charge and discharge power requirements, capacity and SOC consistency testing, energy efficiency, etc.
Vibration, shock, no-load capacity loss test, capacity loss test during storage, alternating damp heat, high altitude, IP protection rating, salt spray, etc.
Extrusion, external fire, protection function, short circuit, thermal runaway, etc.
Relevant Certifications
CNAS
Testing Cycle
Depends on testing requirements
Service Background
Currently, rail transit energy storage equipment mainly includes lithium-ion batteries and supercapacitors. The application of energy storage technology in rail transit can effectively balance energy supply and demand, improve energy utilization efficiency, realize intelligent scheduling of rail transit, and improve operational efficiency.
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