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ESTL

Testing Lab of Battery and Electric Vehicle Products

Guangdong ESTL Technology co.,Ltd.

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+86 13925598091

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UN38.3

UN38.3 certification

MSDS certificate

Air transport certificate

Maritime identification

1.2 meters drop

UN38.3FAQ

What is the international UN38.3 certification?

Which battery products need to be UN38.3 certified?

Why should the battery be UN38.3 certified?

What are the requirements for the battery to do UN38.3 certification?

What are the battery UN38.3 certification test items? What is the test pass criteria?

How to apply for battery UN38.3 certification?

Which battery is selected by the UN38.3 certification laboratory?

Test

Electrical safety tests: Charging test; Discharge test; Continuous charging test; Abnormal charging test; Overcharge test; Forced discharge test; Overcharge test; Overdischarge test; Overvoltage charging test; Overcurrent charging test; Unbalanced charging; Undervoltage discharge test; Reverse charging test; Electrostatic discharge test; Power limit test; Input power test; Output port overload; Wrong installation test; External short circuit test; Forced internal short circuit

Environmental safety tests: Temperature and humidity cycle test; Mold stress relief; High altitude low voltage simulation; Impact test; Vibration test; Heavy impact test; Squeeze test; Thermal shock test; Drop test; Combustion test; Temperature rise test; Flame retardant test; 250N steady force test; High temperature test; Washing test

Protect circuit safety tests: Overvoltage charging protection; Overcurrent charging protection; Undervoltage discharge protection; Short circuit protection test; Overload protection test; Over temperature protection test; High pressure test

Other performance tests: Capacity test; Cycle life test; Vacuum glove box

Certification

International: CEC Certification; UN38.3; International CB; International IEC

America: UL2272 Certification; Brazilian ANATEL Certification; Electric Vehicle UL2849; WERCSmart; US UL; US ETL; US TÜVus; US CTIA

Europe: (EU) 2023/1542; Russia GOST-R; EU CE; EU WEEE; EU ROHS; EU REACH; EU PAHS

Asia: China Compulsory Certification; Korea KC; China CQC; Japanese PSE; China Taiwan BSMI; Indian BIS; China Quality Inspection Report; Thailand TISI

Product

Consumer battery: lithium polymer battery; Cylinder battery; Lithium Ion Battery; Square battery; Lithium ion battery; Button Battery; Lithium manganese battery; cell phone battery; Zinc manganese battery; dry cell; NiMH batteries; mobile power; Nickel-cadmium batteries; 18650 battery

Power battery: Balance car battery; Lead-acid batteries; Lithium ion battery; Nickel-cadmium battery; Electric vehicle battery; Power tool battery; Car starter power; Solar battery

IT/AV products

Power supply

Lighting products

Wireless products

Research base

Battery charge and discharge test laboratory

Cell charge and discharge test laboratory

Mobile Power Charge and Discharge Test Lab

Programmable constant temperature and humidity test laboratory

Battery short test laboratory

Electromagnetic vibration test laboratory

Mechanical shock test laboratory

Heavy impact test laboratory

Battery Extrusion Testing Laboratory

High altitude low voltage simulation test laboratory

Battery Thermal Shock Test Lab

Single wing drop test laboratory

Battery temperature test laboratory

Battery forced internal short circuit test laboratory

Battery Burning Test Lab

Steady force test laboratory

Vacuum glove box laboratory

Qualification

China CANS IB1376 Authorized Agency

China CANS IB1376 Authorized Agency

UL Authorized Laboratory（TPTDP）

UL Authorized Laboratory（WTDP）

IECEE authorized CBTL laboratory

China CANS L13753 Authorized Agency

China CANS L13753 Authorization Qualification

China CMA（202019014977） certification

TUV authorized laboratory

TUV authorized laboratory

CQC Commissioned Testing Laboratory

ITS Authorized Lab

KTC Golden Key Honor

KTC Authorized Laboratory

Eurofins Authorization

High tech enterprise certificate

Mechanism

China National Accreditation Service for Conformity Assessment (CNAS)

China Metrology Certification (CMA)

China Quality Certification Center (CQC)

Underwriters Laboratories (UL)

Intertek（ITS）

International Electrotechnical Commission (IECEE)

Beijing Dijiem (DGM)

Korea Mechanical and Electronic Research Institute (KTC)

TÜV Rheinland Group (TÜV RH)

Australian International Standards Corporation (SAA)

Bureau Veritas (BV)

China Electronics Standards Institute (CESI)

Expert team

Senior Battery Certification Testing Expert

Senior Battery Testing Engineer

Senior Engineer of International Group

Senior Battery Certification Engineer

Corporate style

CHENENG Building

Experimental base 1

Experimental base 2

Experimental base 3

Experimental base 4

Learning training

Partner

Guangzhou Great Power Energy&Technology Co.,Ltd

Shenzhen Haopeng Technology Co., Ltd.

Guangdong Bivo New Energy Co., Ltd.

Shenzhen Bofuneng Battery Co., Ltd

Guangdong Boliwei Technology Co., Ltd.

Fugang Electronics (Dongguan) Co., Ltd.

Ganfeng Lithium Industry Co., Ltd.

Shenzhen Best Technology Co., Ltd

Guangzhou City Haoming New Energy Technology Co., Ltd.

Shenzhen Huabao New Energy Co., Ltd.

Hualiyuan Lithium Energy Technology Co., Ltd.

Shenzhen Ruide Electronic Industry Co., Ltd.

Shenzhen Boke Intelligent Technology Co., Ltd.

Huizhou City Saineng Battery Co., Ltd.

Guangdong Microelectronics New Energy Co., Ltd.

Easit Group Co., Ltd.

Shenzhen Utley Energy Co., Ltd.

Recruitment

News

Company news: GTG ESTL Gains Zhengzhou Airport Recognition: Approved for Lithium Battery Cargo Air Transport Testing; ESTL Upgrades CQC Certification: Expanding Capabilities for Lithium Battery Safety Compliance; ESTL Gains Official Recognition from China Southern Airlines, Empowering Battery Enterprises to Secure UN38.3 Compliance; ESTL Achieves UL TPTDP Qualification: A Milestone in Certification & Testing Industry; Intertek Hong Kong District Interview visited the ESTL; South Korean KTC agency leader visited the ESTL; UL agency leaders visited the storage energy inspection and guidance work

Certification information: Annual Update of Battery Air Transport Identification Reports: Reasons, Process & Timelines; UN38.3 Update Notice: Is your Annual Transportation Appraisal Report ready?; GCC Certification for Button Batteries: A Guide for Cross-Border E-Commerce Sellers; Battery CB Certification Standards Guide: Global Market Access; China CCC Certification for Batteries: Solutions to Common Challenges; IECEE CB Scheme: Global Market Access for Battery and Electronic Products; IEC 62619: Industrial Lithium Battery Safety Standard; UN38.3 Certification: Global Battery Transportation Safety Standard; Battery CQC Certification: Enhancing Safety and Market Access; Battery Air Transport Certification: UN38.3 and Air Transport Assessment Report; What is WERCSmart Certification?; IATA DGR 67th Edition: Lithium Battery State of Charge (SoC) Regulations for Air Transport; IEC 62620 Standard for Industrial Secondary Lithium-Ion Batteries: Complete Guide; IEC 62133 Test Report: The Global Authority for Portable Battery Safety; 67th Edition IATA DGR: Key Updates on Batteries (Effective Jan 1, 2026) & Compliance Prep; GB/T 36276-2023: National Standard for Lithium-Ion Batteries for Electrical Energy Storage – Implementation, Requirements & Impact; IEC 62133: Global Safety Standard for Portable Secondary Batteries – Requirements, Testing & Implementation; WERCS Registration for Battery Products: Mandatory Requirement for Entering North American Retail Markets (Walmart, Amazon); UN38.3 Testing: Mandatory Standard for Lithium Battery Transport Safety & Global Market Access; Frequently Asked Questions (FAQs) About CCC Certification for Batteries: A Guide to Cell Dimension Tolerances, Key Material Interpretation, and Test Parameter Control; Lithium-Ion Battery Marine Shipping Identification Report: A Must-Have for Cross-Border Trade; Air Transport Identification Report for Lithium-Ion Battery Products: A Must-Have for Safe Cross-Border Air Shipping; UN38.3 Test Report: The "International Passport" for Lithium-Ion Battery Cross-Border Transportatio; UN38.3 Standard: The "Passport" for Lithium-Ion Battery Transportation – Core Definition, Testing & Process; China Compulsory Certification (CCC) for Lithium-Ion Batteries: Policy, Scope & Compliance Guide; Navigating WERCS Registration for Battery Manufacturers Targeting the North American Market; Navigating WERCS Registration for Battery Manufacturers Targeting the North American Market; GB 43854-2024: National Standard for Lithium-Ion Batteries for E-Bikes – Safety Requirements & Implementation Impact; UL2056 Standard Comprehensive Guide: Access to the North American Market for Power Banks; UL 62368 Standard: Definition, Test Items, Certification Process & ESTL Advantages; Attention TEMU Sellers of Battery-Related Products: Compliance Reports Are Key to Successful Listing; UL 62368-1:2025 (Edition 4) Officially Released on July 31, 2025: Key Updates & Industry Impacts; UL2271 Certification for Light Electric Vehicle (LEV) Batteries: Safety & Market Access Key; UL2272 Certification for Self-Balancing Scooters: Standards, Scope, Testing & Process; UL2272 Certification for Self-Balancing Scooters: Importance, Scope & Testing for Light Mobility Devices; New CCC Rules for Power Banks, Lithium-Ion Batteries & Battery Packs Take Effect on August 15; Battery WERCS Registration Mandatory for Walmart & Amazon – Avoid Removal & Fines; Battery WERCS Registration Services - Guangdong ESTL | North America Compliance; The EU Battery Regulation Has Taken Effect Since August 18, 2025!; Battery pack application for UL2054 certification details; Battery pack battery application BSMI certification CNS15364 details; Battery pack battery application KC certification K62133 details; Battery pack battery application CQC certification GB31241 details; Battery pack battery application CB certification IEC62133 details; Mobile power application for UL2056 certification details; Battery core application UL1642 certification details

Technical information: UL 2054 Certification for Lithium Batteries: A Must-Have for U.S. Market Access; UL4200A Standard: A Complete Guide for Products with Button Batteries; IEC 62133 Test Report: A Comprehensive Guide for Portable Battery Safety Certification; IEC 62368-1 Certification: Complete Guide for Global Market Access; Lithium Battery State of Charge (SoC) Rules for Air Transport: ICAO Mandates & IATA DGR 67th Edition Updates (2026 Effective); CB Certification for Batteries: IECEE’s "One Test, Multiple Country Recognition" Scheme for Global Market Access; WERCSmart Certification for Battery Products: A Must-Have Pass for Entering Global Mainstream Retail Channels; 1.2m Drop Test for Battery Products: Safety Evaluation & Compliance Guide; 3m Stacking Test for Battery Air Transport: Requirements, Process & Compliance Guide; Lithium-Ion Battery MSDS: Core Document for Global Trade, Safety & Compliance; How Much Do You Know About UL1642, UL2054, and UL/CAS 62368-1?; Sodium-Ion Battery UN38.3 Testing – Guangdong ESTL | Global Compliance Support; UL2849 Certification for Electrically Power Assisted Cycles (EPACs): A Key to Global Market Access; FAQs on New CCC Rules for Power Banks & Lithium-Ion Batteries (2025); Several factors affecting the cycle performance of lithium ion batteries; What are the main factors that restrict the low temperature performance of lithium ion batteries?; Causes and troubleshooting methods for common battery failures; Lithium ion common problem analysis and solution (2); Lithium ion common problem analysis and solution (1)

Certification case: Proactive Risk Control: GTG Pre-Testing Helps EV Charger Makers Avoid UL Certification Pitfalls; IEC 62619 Testing Case Study: Supporting a Leading Energy Storage Integrator’s Global Market Entry; UPS CB Certification Success Story: 4-Week Challenge Overcome; PXID E-Bike UL2849 Certification | Supported by GTG ESTL for North American Market; UN38.3 certified company ESTL to obtain UN38.3 certificate for the battery of a company in Dongguan

Sitemap

Product: Consumer battery; Power battery; IT/AV products; Power supply; Lighting products; Wireless products

Certification: UN38.3; International CB; International IEC; US UL; US TÜVus; China CQC

Service Hotline+86 13925598091

Address: 2st floor, B Area, Jinbaisheng Industrial Park, Headquarters 2 Road, Songshan Lake Hi-tech Industrial Development Zone, Dongguan City, Guangdong Pr., China. Telephone: +86-0769-85075888 to 6617 Fax: +86-0769-85075898 Mailbox: net03@gtggroup.com

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