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ESTL

Testing Lab of Battery and Electric Vehicle Products

Guangdong ESTL Technology co.,Ltd.

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+86 13925582920

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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: ECE R136 Part 2; ECE R136 Part 2; (EU) 2023/1542; Russia GOST-R; EU CE; EU WEEE; EU ROHS; EU REACH; EU PAHS; ECE R136

Asia: Japan JC-STAR; Japan METI; China Taiwan NCC; 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: Your Global Partner for Battery & New Energy Certification; 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: GB 47372-2026 | Full Guide to New Mandatory Power Bank Safety Standard & CCC Certification; GB 31241.4-2026 | New Mandatory Standard for Children Lithium Battery Toys; Philippines PS/ICC Mandatory Certification Draft 2026 | Power Bank Compliance; CB Certification for Lithium-Ion Cells (IEC 62133-2): A Complete Guide; UN 38.3 Lithium Battery Testing Standard: Full Guide for Global Shipping; JC-STAR: The Essential IoT Security Standard for Japan Market Entry; Philippines Mandatory PS/ICC Certification for Power Banks & Portable Power Stations (2026 Draft); JC-STAR Security Requirements: Practical Implementation Checklist for Manufacturers; JC-STAR 4 Levels Explained Simply: Which Star Rating Does Your Product Need?; JC-STAR: Japan Official Cybersecurity Certification for Smart Devices – Full Guide; GB 47372-2026 New Mandatory Standard for Power Banks | Full Official Interpretation; Battery Consumption Tax Exemption in China: CMA Test Report & Compliance Guide; JC-STAR: Japan IoT Cybersecurity Label & Market Access Guide; GB 47372-2026 New Standard for Power Banks & Updated GB 31241 Series; JC-STAR IoT Security Test: Full 5-Step Process Guide; UL 1642 for Lithium-ion Cells: North America Export Compliance Guide; UL Test Reports for E-Mobility Export to the US | Full Compliance Guide; UL 2272 Test Report for Self-Balancing Scooters (Hoverboards) – Amazon US Compliance Guide; UL 2271 Testing for Lithium Batteries | Full Amazon & North America Compliance Guide; UL2272 Test Report for Electric Scooters – Full Amazon US Compliance Guide; WERCS Registration for Lithium Batteries WITHOUT UPC | Full North America Retail Compliance Guide; China Battery Consumption Tax Exemption: Complete Guide for Eligibility & CMA Testing Report; UN38.3 Test Report: The Global Passport for Lithium Battery Shipping & Sales; EU Battery Regulation (EU) 2023/1542: Complete Compliance Guide for Battery Exporters; WERCSmart Registration for Lithium Batteries: Complete Guide for Costco, Home Depot & Lowe’s; Lithium Battery Compliance for North American Retailers (Costco, Home Depot, Lowe’s); China CCC Mark Reform 2026: QR Code Traceability for Power Banks & E-Bikes; A Cold Reflection in a Hot Market: Compliance Is the Lifeline for Chinese Lithium Batteries Exporting to Europe; How to Choose a Reliable Partner for Korea KC Certification for Batteries; WERCSmart Registration Full Guide — For Lithium Battery Entering North America Retail; Battery CB Certification: One Test, Global Access – Your Key to International Markets; WERCSmart Registration for Lithium Batteries – Full Guide for North America Market; Battery Consumption Tax Exemption in Guangdong: Complete Guide with CMA Test Report; OpenClaw AI Agent: Is It Taking Over Your Device—and Draining Your Battery?; CMA Test Report for Battery Consumption Tax Exemption: Your Key to 4% Cost Savings; PSE Certification: The Legal Entry Ticket to Japan Market; KC Certification: The Mandatory Market Access Pass for South Korea; UN38.3 Certification: The First Pass for Lithium Batteries Going Global; WERCS Registration for Lithium Batteries: Complete Guide for Walmart, Costco, Amazon & North America; UL2849 Certification Guide for E-Bikes | North America & Amazon Compliance; UL2272 Certification Guide for Hoverboards & Self-Balancing Scooters; 18650 Li-ion Battery Global Certification Guide; Introduction: Painful Lessons — Why Was Your Test Report Rejected by TEMU?; Global Certification & Compliance Guide for Lithium Batteries; Power Bank Global Certification: Complete Compliance Guide for Export; UL 2056 Test Report: Mandatory Compliance for Power Banks in North America; Battery Certification Guide for Saudi Arabia Market (SABER, PC, SC, IECEE); UL 2271 Test Report: The Mandatory Pass for Lithium Batteries in PMDs (North America); IEC 62133: The Global Safety Standard for Rechargeable Portable Battery Products; UL 2849 Test Report for E‑Bikes: The Most Cost-Effective Path to North America Market Access

Technical information: IEC 62133-1:2026 | Latest Update for Ni-MH Ni-Cd Battery Safety Standard; JC-STAR: It Is Not Just Technical Security, But User-Oriented Safety; IEC 60086-4 Safety Certification for Button Batteries: A Complete Guide; JC-STAR Explained in 5 Minutes: What It Is & Why You Must Know It for Japan IoT Export; JC-STAR Testing Process: 5 Core Steps Fully Explained; JC‑STAR Explained Simply: Full Framework for Manufacturers & Certification Managers; JC-STAR Device-Side Security: Full Breakdown for IoT Manufacturers; JC-STAR Certification for Energy Storage: Must-Have Pass to Japan Market; 2026 Solid-State Battery Industry & Testing Certification Guide; JC-STAR Certification for Commercial & Industrial Energy Storage | Japan Export Compliance Guide; JC-STAR: STAR-1 vs STAR-2 — Which Level to Choose for Your IoT Product?; JC-STAR Certification: 4 Security Levels & Pathways for Japan IoT Market; GB 47372‑2026 Mandatory Standard for Power Banks (Issued April 3, 2026); If You’ve Checked JC‑STAR Requirements, You’ll Notice One Thing: Default Passwords Are Repeatedly Emphasized; Who Is JC‑STAR Really For? It’s Not Just for Engineers; JC-STAR: Japan IoT Cybersecurity Label Explained (5-Minute Guide); UL 2054 Test Report for Battery Packs | Amazon & North America Compliance Guide; UL Test Reports for Lithium Battery Export to North America; Amazon UL Test Reports for E‑Mobility | Full Compliance Guide (UL2271 / UL2272 / UL2849); UL 2272 Test Report for Hoverboards | Amazon US & CPSC Compliance Guide; UL2849 Test Report for E‑Bikes | Full Amazon US Compliance Guide; WERCS Registration FAQ for Lithium Batteries; China Battery Consumption Tax Exemption & CMA Testing Report Full Guide; Air Transport Identification Report for Lithium Batteries: Full Compliance Guide; UN38.3 Certification: Global Passport for Lithium Battery Shipping; UL 1642 Certification for Lithium-Ion Cells: Complete North America Safety Standard Guide; WERCS Registration for Lithium Batteries: Full Guide for North American Retail Compliance; North America Lithium Battery Certification: Complete Compliance Guide (USA & Canada); Lithium Battery Certification Requirements in Asia — Complete Market Access Guide; How to Choose a Reliable Partner for CB Certification?; How to Choose a Reliable Lab for UL Certification? Complete Guide for Lithium Batteries; 2026 Power Bank CCC Certification Full Guide (Latest Rules + QR Code Traceability); Korea KC Certification for Lithium-Ion Batteries: Full Guide with CB Conversion; Battery Consumption Tax Exemption in Jiangsu: Full Guide with CMA Test Report; Battery Consumption Tax Exemption: CMA Test Report & Full Compliance Guide; Battery CMA Test Report & 4% Consumption Tax Exemption — Full Guide for Manufacturers; Battery Exemption from 4% Consumption Tax: The Official CMA Report That Saves You Millions; Battery Export Certification: Avoid Costly Mistakes — Choose the Right Partner; CE Certification: The Must-Have Passport for EU Export; UL Certification: The Gold Mark for Entering the North American Market; CB Certification: The Global Passport for Product Export; WERCS Registration: The Mandatory Ticket for Battery Companies Entering North America; UL2849 Standard Explained: Origins, Scope & Compliance for E-Bikes 01 Origin of UL2849; UL2271 Certification Guide for E‑Scooter & PMD Battery Packs; UL2272 Certification Guide for Electric Scooters & PMDs — North American Market Access; 2026 TEMU Power Bank Compliance Guide: UL2056 & IEC Standards for First-Pass Approval; Global Certification & Compliance Guide for Energy Storage Batteries; Lithium Battery Global Certification: Full Export Compliance Guide; UL 1642 Test Report: The Fundamental Safety Credential for Lithium Battery Cells; UL 2580: The Definitive Safety Standard for EV & Industrial Lithium Battery Systems

Certification case: Sodium-Ion Battery UN38.3 Certification Case: Breaking Through Compliance Barriers for Global Market Access; How to Pass IEC62619 Certification Efficiently: Transparent Process for Battery Factories; PV Inverter ETL Certification Case Study: How Energy Storage Testing Cut Costs by 50% for Global Market Access; 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 13925582920

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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