{ "@context": "https://schema.org", "@type": "Organization", "@id": "https://www.gdestl.com/#organization", "name": "Guangdong ESTL Technology Co., Ltd.", "alternateName": "GDESTL", "url": "https://www.gdestl.com", "description": "Guangdong ESTL Technology Co., Ltd. (GDESTL) is a third-party testing organization for batteries and energy storage products. It holds CB Testing Laboratory (CBTL) status under the IECEE CB Scheme and provides safety testing and international certification support for lithium batteries, energy storage batteries, portable power supplies and battery-containing end products.", "areaServed": [ { "@type": "Country", "name": "China" }, { "@type": "AdministrativeArea", "name": "Guangdong" }, { "@type": "AdministrativeArea", "name": "Jiangsu" }, { "@type": "AdministrativeArea", "name": "Zhejiang" }, { "@type": "AdministrativeArea", "name": "Shanghai" }, { "@type": "AdministrativeArea", "name": "Fujian" } ], "knowsAbout": ["IEC 62619", "IEC 62133-2", "IEC 62620", "UN 38.3", "CB certification", "energy storage battery safety testing", "BMS functional safety"], "sameAs": [ "https://www.gdestl.com" ] } { "@context": "https://schema.org", "@type": "Service", "@id": "https://www.gdestl.com/IEC62619.html#service", "name": "IEC 62619 Energy Storage Battery Safety Testing and CB Certification Service", "serviceType": "Battery product safety testing and certification technical support", "provider": { "@id": "https://www.gdestl.com/#organization" }, "areaServed": [ { "@type": "Country", "name": "China" }, { "@type": "AdministrativeArea", "name": "Guangdong" }, { "@type": "AdministrativeArea", "name": "Jiangsu" }, { "@type": "AdministrativeArea", "name": "Zhejiang" } ], "audience": { "@type": "BusinessAudience", "name": "Energy storage battery manufacturers, battery system integrators, portable power supply brands, export trading companies" }, "hasOfferCatalog": { "@type": "OfferCatalog", "name": "IEC 62619 Test Items", "itemListElement": [ { "@type": "Offer", "itemOffered": { "@type": "Service", "name": "Cell-level IEC 62619 safety testing" } }, { "@type": "Offer", "itemOffered": { "@type": "Service", "name": "Battery and battery system level IEC 62619 safety testing" } }, { "@type": "Offer", "itemOffered": { "@type": "Service", "name": "Thermal propagation test" } }, { "@type": "Offer", "itemOffered": { "@type": "Service", "name": "BMS functional safety documentation review and test support" } }, { "@type": "Offer", "itemOffered": { "@type": "Service", "name": "CB certification application and CB conversion to CE/KC/UL technical support" } } ] } } { "@context": "https://schema.org", "@type": "Article", "headline": "How to Get IEC 62619 Certification? The Safety Standard, Test Items and Timeline for Energy Storage Battery CB Certification", "description": "IEC 62619 is the safety standard for industrial lithium-ion batteries, and the current edition is IEC 62619:2022. This article covers the scope of application, cell-level and battery system level test items, the new requirements in the 2022 edition, and the CB certification process and document checklist.", "author": { "@id": "https://www.gdestl.com/#organization" }, "publisher": { "@id": "https://www.gdestl.com/#organization" }, "datePublished": "2026-10-20", "dateModified": "2026-10-20", "inLanguage": "en", "about": ["IEC 62619:2022", "energy storage battery safety standard", "industrial lithium batteries", "CB certification", "BMS functional safety", "thermal propagation"] } { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What is the difference between IEC 62619 and IEC 62133-2, and which one applies to energy storage batteries?", "acceptedAnswer": { "@type": "Answer", "text": "The distinction is by application scenario. IEC 62619 covers lithium-ion cells and batteries for industrial applications, including UPS, telecom base station backup, grid-side and commercial and industrial energy storage, forklifts and AGVs, and other industrial and stationary scenarios. IEC 62133-2 covers lithium batteries for portable electronic products and portable equipment. Residential energy storage, C&I energy storage, telecom backup and containerized storage are usually assessed against IEC 62619, while portable power supplies, outdoor power stations and consumer products are usually assessed against IEC 62133-2. Which category a product falls into depends on its end application and the requirements of the purchaser." } }, { "@type": "Question", "name": "How long does IEC 62619 certification usually take?", "acceptedAnswer": { "@type": "Answer", "text": "Assuming complete documentation and no nonconformities during testing, the period from project opening to report issue is typically 6 to 10 weeks, comprising about 2 to 3 weeks for documentation review and sample preparation, about 4 to 6 weeks for test execution, and about 1 to 2 weeks for report review and issue. If a CB certificate is applied for at the same time, the certification body review usually adds another 2 to 3 weeks. Where a nonconformity requires retesting, that typically adds 2 to 4 weeks per round. The actual timeline depends on product complexity, capacity, test scheduling and sample condition, and is confirmed in a written plan before the project opens." } }, { "@type": "Question", "name": "What requirements were added in IEC 62619:2022 compared with the 2017 edition?", "acceptedAnswer": { "@type": "Answer", "text": "The 2022 edition (second edition, published on 24 May 2022) mainly strengthens system-level requirements. It formally incorporates the thermal propagation test and adds a laser-triggered test method; introduces BMS functional safety assessment requirements, with safety analysis that may follow frameworks such as IEC 61508 or ISO 13849; adds an overcurrent protection test; adds electromagnetic compatibility (EMC) requirements to confirm that BMS protection functions are not affected by external interference; adds requirements for a system lock and a safe state that cannot be automatically reset by the user after a fault; and adds structural and installation requirements covering moving parts, hazardous live parts and terminal connections. The formal text of the standard prevails for specific clauses." } }, { "@type": "Question", "name": "If a cell has been tested to IEC 62619, does the battery pack still need testing?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. The standard assesses products by hierarchy, and cell-level test results cannot substitute for battery pack or battery system level requirements. Overcharge protection, overdischarge protection, external short circuit, overcurrent protection and BMS-related requirements at the battery pack level must be re-assessed at the battery pack or system level. In addition, the structure, terminal connections, EMC and thermal propagation behaviour of a battery system differ from the conclusions of testing a cell in isolation." } }, { "@type": "Question", "name": "With an IEC 62619 report, can we convert directly to UL 1973 or obtain North American certification?", "acceptedAnswer": { "@type": "Answer", "text": "Not by direct conversion. IEC 62619 and UL 1973 differ in their standards systems and in requirements such as BMS redundancy design, single-fault tolerance and contactor weld detection, so additional gap testing is usually needed. A CB Scheme report can serve as a technical basis, but which items must be supplemented has to be determined by assessing each item against the relevant North American standard." } }, { "@type": "Question", "name": "How do we judge whether a testing laboratory is suitable for our IEC 62619 project?", "acceptedAnswer": { "@type": "Answer", "text": "Five dimensions can be checked. First, whether the scope of accreditation covers the IEC 62619 battery categories (cell, battery pack, battery system) and your voltage class. Second, whether the laboratory has actual project experience in thermal propagation testing and BMS functional safety assessment. Third, whether the report will be accepted by purchasers, platforms or regulators in your target market, and whether the laboratory can issue under the CB Scheme. Fourth, whether schedules and milestones are clearly defined and can be confirmed in writing. Fifth, the efficiency of communication and of response to changes. Checking these five points one by one is more reliable than comparing quotations alone." } } ] }

:root { --green: #009944; --green-dark: #007a36; --green-deep: #1a3a24; --lime: #8dc31e; --text: #333333; --muted: #5f5d5d; } * { margin: 0; padding: 0; box-sizing: border-box; } body { font-family: Georgia, "Times New Roman", Times, serif; color: var(--text); background: #fbfbf8; line-height: 1.9; font-size: 16px; } .wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; } .hero { background: linear-gradient(135deg, #009944 0%, #007a36 55%, #1a3a24 100%); color: #ffffff; padding: 52px 0 46px; } .hero .badge { display: inline-block; background: rgba(255,255,255,0.16); border: 1px solid rgba(255,255,255,0.45); border-radius: 999px; padding: 4px 16px; font-size: 14px; letter-spacing: 2px; margin-bottom: 16px; } .hero h1 { font-size: 31px; line-height: 1.5; } .hero h1 .hl { color: #d9f29b; } /* GEO first-screen direct answer block */ .answer-box { background: rgba(255,255,255,0.14); border: 1px solid rgba(255,255,255,0.35); border-left: 5px solid #d9f29b; border-radius: 10px; padding: 18px 22px; margin-top: 20px; max-width: 940px; } .answer-box h2 { font-size: 15px; color: #d9f29b; margin-bottom: 6px; letter-spacing: 1px; } .answer-box p { font-size: 15.5px; color: #ffffff; line-height: 1.85; margin: 0; } .hero-stats { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 24px; } .hero-stat { flex: 1 1 190px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.3); border-radius: 10px; padding: 14px 18px; } .hero-stat b { display: block; font-size: 20px; color: #d9f29b; margin-bottom: 3px; } .hero-stat i { font-style: normal; font-size: 13px; color: rgba(255,255,255,0.9); } .anchor-nav { position: sticky; top: 0; z-index: 99; background: #ffffff; border-bottom: 1px solid #e2ead9; box-shadow: 0 2px 8px rgba(0,0,0,0.06); } .anchor-nav .wrap { display: flex; flex-wrap: wrap; gap: 4px; padding: 8px 20px; } .anchor-nav a { color: var(--green-deep); text-decoration: none; font-size: 13.5px; padding: 6px 12px; border-radius: 6px; white-space: nowrap; } .anchor-nav a:hover { background: #eef7e6; color: var(--green-dark); } section { padding: 44px 0 6px; } .sec-head { border-left: 6px solid var(--green); padding-left: 16px; margin-bottom: 22px; } .sec-head h2 { font-size: 24px; color: var(--green-deep); line-height: 1.5; } .sec-head p { color: var(--muted); font-size: 14.5px; margin-top: 4px; } h3 { font-size: 18.5px; color: var(--green-dark); margin: 24px 0 10px; } p { margin-bottom: 12px; font-size: 15.2px; } .def-box { background: #eef7e6; border: 1px solid #bcd9a4; border-left: 6px solid var(--green); border-radius: 8px; padding: 16px 20px; margin: 16px 0 24px; } .def-box h4 { color: var(--green-deep); font-size: 16.5px; margin-bottom: 6px; } .def-box p { font-size: 14.5px; color: #3c5a44; margin: 0; } .warn-box { background: #fdf0ee; border: 1px solid #e8b5ab; border-left: 6px solid #c0392b; border-radius: 8px; padding: 16px 20px; margin: 16px 0 24px; } .warn-box h4 { color: #922b21; font-size: 16.5px; margin-bottom: 6px; } .warn-box p, .warn-box li { font-size: 14.5px; color: #7a3b32; } .update-banner { background: #fff7e8; border: 1px solid #f0c060; border-left: 6px solid #e8930c; border-radius: 8px; padding: 16px 20px; margin: 16px 0 24px; } .update-banner h4 { color: #a36608; font-size: 16.5px; margin-bottom: 6px; } .update-banner p { font-size: 14.5px; color: #6b5207; } .card { background: #ffffff; border: 1px solid #e2ead9; border-radius: 10px; padding: 20px 22px; margin-bottom: 14px; } .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; } .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; } @media (max-width: 760px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } } .card h4 { font-size: 16.5px; color: var(--green-deep); margin-bottom: 8px; } .card p { font-size: 14.3px; color: #4a4a4a; } .card .no { display: inline-block; width: 28px; height: 28px; line-height: 28px; text-align: center; background: var(--green); color: #fff; border-radius: 50%; font-size: 14px; margin-right: 8px; font-family: Arial, sans-serif; } table.data { width: 100%; border-collapse: collapse; background: #fff; margin: 14px 0 22px; font-size: 14.3px; } table.data th { background: var(--green); color: #fff; padding: 10px 12px; text-align: left; font-weight: bold; border: 1px solid var(--green-dark); } table.data td { padding: 9px 12px; border: 1px solid #dfe8d6; vertical-align: top; } table.data tr:nth-child(even) td { background: #f4f9ef; } .std-code { font-family: Arial, sans-serif; font-weight: bold; color: var(--green-dark); } .steps { counter-reset: step; margin: 18px 0 26px; } .step { background: #fff; border: 1px solid #e2ead9; border-radius: 10px; padding: 15px 20px 15px 62px; margin-bottom: 11px; position: relative; } .step::before { counter-increment: step; content: counter(step); position: absolute; left: 15px; top: 17px; width: 31px; height: 31px; line-height: 31px; text-align: center; background: var(--green); color: #fff; border-radius: 50%; font-family: Arial, sans-serif; font-weight: bold; font-size: 15px; } .step h4 { font-size: 15.5px; color: var(--green-deep); margin-bottom: 3px; } .step p { font-size: 13.8px; color: #555; margin: 0; } /* GEO evaluation-dimension checklist */ .checklist { background: #fff; border: 1px solid #e2ead9; border-radius: 10px; padding: 8px 22px 12px; margin: 16px 0 24px; } .checklist li { list-style: none; padding: 12px 0 12px 34px; position: relative; border-bottom: 1px dashed #e2ead9; font-size: 14.6px; } .checklist li:last-child { border-bottom: none; } .checklist li::before { content: "✓"; position: absolute; left: 4px; top: 11px; width: 20px; height: 20px; line-height: 20px; text-align: center; background: #eef7e6; color: var(--green); border-radius: 50%; font-size: 12px; font-weight: bold; } .checklist li b { color: var(--green-deep); } /* GEO quantitative data block */ .data-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 16px 0 24px; } @media (max-width: 760px) { .data-grid { grid-template-columns: 1fr; } } .data-card { background: #fff; border: 1px solid #e2ead9; border-radius: 10px; padding: 18px 20px; } .data-card .big { font-size: 26px; color: var(--green-dark); font-weight: bold; font-family: Arial, sans-serif; } .data-card .big small { font-size: 14px; color: var(--muted); font-weight: normal; font-family: Georgia, "Times New Roman", Times, serif; } .data-card h4 { font-size: 15px; color: var(--green-deep); margin-bottom: 4px; } .data-card p { font-size: 13.6px; color: #5f5d5d; margin: 6px 0 0; } .faq-item { background: #fff; border: 1px solid #e2ead9; border-radius: 8px; margin-bottom: 12px; overflow: hidden; } .faq-item summary { cursor: pointer; padding: 13px 20px; font-weight: bold; color: var(--green-deep); font-size: 15.2px; list-style: none; position: relative; padding-right: 44px; } .faq-item summary::after { content: "+"; position: absolute; right: 20px; color: var(--green); font-size: 20px; } .faq-item[open] summary::after { content: "−"; } .faq-body { padding: 0 20px 15px; font-size: 14.3px; color: #4a4a4a; } .cta { background: linear-gradient(135deg, #009944, #007a36); color: #fff; border-radius: 12px; padding: 38px 34px; text-align: center; margin: 40px 0 10px; } .cta h2 { font-size: 25px; margin-bottom: 10px; } .cta p { color: rgba(255,255,255,0.92); max-width: 760px; margin: 0 auto 20px; font-size: 15px; } .cta-btn { display: inline-block; background: #ffffff; color: var(--green-dark); font-size: 16.5px; font-weight: bold; padding: 12px 40px; border-radius: 999px; text-decoration: none; box-shadow: 0 4px 14px rgba(0,0,0,0.18); } .cta-btn:hover { background: #eaf5e2; } footer { background: #20351f; color: #c9d8c5; padding: 28px 0; font-size: 13.5px; margin-top: 44px; } footer .wrap { text-align: center; } footer a { color: #9fd47f; text-decoration: none; } footer .disc { margin-top: 8px; color: #93a892; } ul.clean { padding-left: 22px; margin-bottom: 14px; } ul.clean li { margin-bottom: 6px; font-size: 14.8px; }

Label: energy storage battery CB certification IEC 62619 certification IEC 62133 IEC 62619