Service Content

Service Scope
It primarily includes testing related to products such as vehicle battery cells, battery modules, and battery packs.
Test Standards
- GB 31241-2014: Safety Requirements for Lithium-Ion Batteries and Battery Packs for Portable Electronic Devices
- IEC 62133-2: Safety Testing for Lithium-Ion Batteries
- IEC 61960: Secondary Cells and Batteries Containing Alkaline or Other Non-Acid Electrolytes – Secondary Lithium Cells and Batteries for Portable Applications
- UL 1642: UL Standard for Safety of Lithium Batteries
- UL 2054: Certification for Lithium-Ion Batteries
- UN 38.3: Certification Requirements for Lithium Batteries
- GB 38031-2020: Safety Requirements for Power Batteries in Electric Vehicles
- ISO 16750-2:2012: Applicable to Electric and Electronic Systems/Components for Road Use Vehicles
- GBT 31467.1-2015 Lithium-ion power battery packs and systems for electric vehicles – Part 1: Test procedures for high-power applications
- GBT 31467.2-2015 Lithium-ion power battery packs and systems for electric vehicles – Part 2: Test procedures for high-energy applications
- GBT 31467.3-2015 Lithium-ion power battery packs and systems for electric vehicles – Part 3: Safety requirements and test methods
- GBT 31484-2015 Cycle life requirements and test methods for power batteries in electric vehicles
- GBT 31485-2015 Safety requirements and test methods for power batteries in electric vehicles
- GBT 31486-2015 Electrical performance requirements and test methods for power batteries in electric vehicles
- CISPR 25 & GB/T 18655-2018 Characteristics of radio interference for vehicles, ships and internal combustion engines – Limits and measurement methods for protecting vehicle receivers
- ISO 7636-2 & GB/T 21437.2-2021 Test methods for electrical/electronic components of road vehicles subjected to electromagnetic interference caused by conduction and coupling – Part 2: Transient conducted emissions along power lines and immunity
- ISO 11452-2 & GB/T 33014.2-2016 Test methods for immunity of electrical/electronic components of road vehicles to narrowband radiated electromagnetic energy – Part 2: Electromagnetic shadow chamber method
- ISO 11452-4 & GB/T 33014.2-2016 Road Vehicles – Electrical Interference Caused by Electromagnetic Energy Radiated in Narrow Bands – Component Test Methods – Part 4: High Current Injection (BCI)
- ISO 11452-9:2021: Road Vehicles – Component test methods for electrical disturbances from narrowband radiated electromagnetic energy – Part 9: Portable Transmitters
- ISO 11452-8:2015: Road Vehicles – Component test methods for electrical disturbances from narrowband radiated electromagnetic energy – Part 8: Immunity to Magnetic Fields
- ISO 7637-2:2004 & GB/T 21437.2–2008 Road Vehicles – Electrical Distractions Caused by Conduction and Coupling – Part 2: Electric Transient Conduction Along Power Lines
- ISO 7636-3 & GB/T 21437.3-2012 Road Vehicles – Electrical Interference Caused by Conduction and Coupling Part 3: Electrical Transient Emissions from Wires Other Than Power Lines via Capacitive and Inductive Coupling
- ISO 10605 & GBT 19951-2005 Road Vehicles – Electrical Interference Caused by Electrostatic Discharge Test Methods
- GB/T 18387-2017 Limits and Measurement Methods for Electromagnetic Field Emission Intensity of Electric Vehicles
- SAE J551-5 (JAN 2004) "Measurement Methods and Implementation Levels for Electric Field and Magnetic Field Intensity of Electric Vehicles"
- IEC 61000-4-4 & GB/T 17626.4-2008 Standard Fast Transient Pulse Groups – Immunity to Disturbance and Testing Methods
- IEC 61000-4-5 & GB/T 17626.5-2008 Electromagnetic Compatibility – Testing and Measurement Techniques – Surge (Impact) Immunity Test
Test Items
1. Cell: High-temperature discharge capacity, low-temperature discharge capacity, room-temperature discharge capacity, room-temperature rate discharge capacity, charge retention and capacity recovery capability, SOC_OCV, DC(IR), temperature cycling, high/low temperature tests, hot-dry heat test, gas corrosion resistance, chemical corrosion resistance, etc.
2. Battery Module (including 48V & 24V): Capacity and energy, no-load capacity loss, energy efficiency, energy storage loss, overcharge protection, over-discharge protection, salt spray test, temperature shock test, vibration test, seawater immersion test, standard cycle life test, operating condition life test, high/low temperature and humidity heat stress test, housing protection performance test, temperature cycling electrical performance test, and EMC (Electromagnetic Compatibility) testing. 3. Battery Pack: Capacity and energy, power and internal resistance testing, no-load capacity loss, storage capacity loss, energy efficiency, room-temperature power performance, energy storage loss, overcharge protection, over-discharge protection, salt spray test, temperature shock test, vibration test, mechanical impact test, humidity heat cycling test, low-pressure test, over-temperature test, heating test, seawater immersion test, standard cycle life test, operating condition life test, high/low temperature and humidity heat stress test, housing protection performance test, temperature cycling and electrical performance tests, and EMC testing.
Qualifications
- Over 20 laboratories in cities including Shanghai, Guangzhou, Shenzhen, Dongguan, Wuxi, Beijing, Tianjin, Hangzhou, Chongqing, Chengdu, Changsha, Wuhan, Xi 'an, Nanchang, Changchun, Shenyang, Kunming, Nanning, and Qingdao have obtained CNAS-certified testing qualifications.
- The CMA has accredited 1,990 certifications, while CATL's accreditation covers 55 product categories.
- More than 40 original equipment manufacturers (OEMs)have recognized these laboratories, encompassing leading domestic brands as well as automakers from Europe, the United States, Japan, and South Korea.

Test Cycle
Due to uncertainties regarding battery types and testing parameters, GRGTEST flexibly determines the optimal testing schedule based on the client's testing requirements and sample quantity.
Service Background
Batteries serve as the "heart" of new energy electric vehicles, accounting for 30%–40% of total vehicle costs, with their performance directly impacting driving range and safety. With the rapid development of China's new energy industry and continuous technological advancements, performance and safety requirements for batteries have been steadily elevated. Comprehensive evaluation of power battery performance necessitates testing across multiple dimensions-including fundamental specifications, environmental reliability and safety, electrical characteristics, and EMC compliance-to help automakers and suppliers understand product attributes, mitigate safety risks, and gain market success. As a leading third-party testing and certification institution in China, GRGTEST has consistently provided top-tier testing services and solutions for the automotive sector, ensuring that new energy vehicle batteries meet stringent standards for range and safety while enhancing consumer acceptance. We support manufacturers and suppliers in improving battery quality, reducing safety risks, and fostering sustainable growth within the new energy vehicle industry.
Our Strengths
Extensive Service Network
8 electromagnetic compatibility laboratories, 4 power battery environmental laboratories, and 5 chemical analysis laboratories are distributed across Guangzhou, Shenzhen, Shanghai, Wuxi, Wuhan, Beijing, Tianjin, and other locations;
Comprehensive Testing Facilities
Equipped with 2 10-meter method an-echoic chambers, 20 3-meter method an-echoic chambers, 1 mobile laboratory, and 1 high-field strength an-echoic chamber, totaling 176 test channels and multiple sets of imported equipment.
Integrated Management
A nationwide integrated management model is implemented, with all local laboratories uniformly operated and managed by the headquarters;
Professional Teams
A large cohort of high-caliber technical professionals specializing in EMC, reliability, chemical analysis, and related fields has been assembled and cultivated.
Strong Comprehensive Capabilities
Possesses integrated expertise in instrument metrological calibration, product testing, and product certification.
FAQ
Q: What are the main types of batteries currently used in new energy vehicles?
A: Currently, the mainstream types of batteries for new energy electric vehicles on the market can be broadly categorized into several major categories: lead-acid batteries, nickel-metal hydride batteries, lithium cobalt oxide batteries, lithium manganese oxide batteries, lithium iron phosphate batteries, and ternary lithium-ion batteries (nickel-cobalt-manganese lithium-ion batteries).
Hot Tags: new energy vehicle (nev) battery testing, China new energy vehicle (nev) battery testing service provider







