What Are Li-ion and LiPo Batteries Certifications?

Lithium-ion (Li-ion) and lithium-polymer (LiPo) batteries power a vast array of modern devices, from smartphones to electric vehicles. However, with their growing usage comes a heightened need for safety, reliability, and regulatory compliance. Various certifications govern these aspects, ensuring products meet stringent international standards.These certifications not only mitigate risks like thermal runaway, fire, and environmental harm but also serve as a passport for market access. This guide explores essential certifications across safety, transport, environmental, quality, and industry-specific domains, empowering manufacturers, suppliers, and consumers to make informed decisions.

Safety Certifications: The Bedrock of Trust

Safety certifications are critical to ensuring Li-ion and LiPo batteries are designed, manufactured, and tested to prevent risks like thermal runaway, fire, or explosion. Below are the primary safety standards:

IEC 62133

  ●Overview: Published by the International Electrotechnical Commission (IEC), IEC 62133 outlines safety requirements for portable sealed secondary cells and batteries containing alkaline or non-acid electrolytes, including Li-ion and LiPo batteries.

  ●Scope: One of the most widely adopted international safety standards for rechargeable cells and batteries.

  ●Purpose: Evaluates safety in portable devices, focusing on mechanical, electrical, and environmental abuse.

  ●Versions: IEC 62133-2 for lithium systems (current version)

UL 1642

  ●Overview: This Underwriters Laboratories (UL) standard is primarily focused on the safety of lithium cells. It evaluates cells for risks of fire or explosion under conditions such as crushing, impact, shock, vibration, heating, and short-circuiting. Focused on individual cells, it’s often paired with UL 2054 for full battery pack certification, critical for consumer devices entering North American markets.

  ●Importance: UL 1642 is a benchmark for safety in North America and is often a prerequisite for UL 2054 certification.

  ●Applications: Primarily for individual cells used in consumer electronics and industrial applications.

UL 2054

  ●Overview: This UL standard targets household and commercial batteries, which are essentially battery packs composed of multiple cells. It builds upon cell-level safety (often referencing UL 1642) and evaluates the pack's overall safety, including the protective circuitry, enclosure, and wiring. Tests include electrical (overcharge, short circuit), mechanical (crush, impact), and environmental (temperature cycling, flame exposure) assessments.

  ●Significance: Complements UL 1642 by addressing pack-level issues like fire, explosion, and leakage.

  ●Applications: Common for battery packs in consumer electronics, power tools, and medical devices.

UL 62133

  ●Overview:: This standard is the UL adoption of IEC 62133. It harmonizes UL's requirements with the international IEC standard, streamlining the certification process for manufacturers targeting both North American and global markets

  ●Importance: Simplifies compliance for manufacturers targeting North America while aligning with global standards.

  ●Applications: Used for portable batteries entering the U.S. and Canadian markets.

IEC 62619

  ●Overview: This standard specifies requirements and tests for the safe operation of secondary lithium cells and batteries used in industrial applications, including stationary (e.g., energy storage systems like UPS, solar energy storage) and motive (e.g., forklift trucks, golf carts) applications.

  ●Key Requirements: Tests for thermal propagation and internal short-circuit risks; Evaluation of BMS for large-scale systems; Environmental and mechanical stress tests.

  ●Importance: Critical for ensuring safety in high-capacity, high-risk industrial environments.

Transport Certifications

Transporting Li-ion and LiPo batteries poses significant risks due to their chemical composition and energy density. Certifications ensure compliance with international transport regulations.

UN 38.3

  ●Overview: UN 38.3, part of the United Nations Manual of Tests and Criteria, is a mandatory standard for transporting lithium batteries by air, sea, or land. Certification includes a Test Summary document required by IATA and other bodies. Compliance is required for global logistics, preventing delays or confiscation during shipping.

  ●Key Requirements: Eight tests, including altitude simulation, thermal cycling, vibration, shock, external short-circuit, impact, overcharge, and forced discharge.

  ●Applications: Applies to all lithium batteries shipped internationally, whether standalone or installed in devices.

MSDS/SDS

  ●Overview: While not a certification in itself, Material Safety Data Sheets (MSDS) or Safety Data Sheets (SDS) is a mandatory document that provides comprehensive information about the battery's chemical composition, potential hazards, handling, storage, emergency measures, and transport information. It is essential for handlers, shippers, and emergency responders.

  ●Importance: MSDS detail chemical composition, handling, and emergency measures, ensuring safe transport and compliance with OSHA (U.S.) and REACH (EU) regulations.

  ●Applications: Required for workplace safety and during transportation.

IATA DGR (Dangerous Goods Regulations)

  ●Overview: : The International Air Transport Association (IATA) publishes these regulations, which are the industry standard for shipping dangerous goods, including lithium batteries, by air. The DGR incorporates UN 38.3 requirements and provides specific packaging instructions, labeling, documentation, and quantity limitations based on the battery's type, size, and state of charge. Airlines and freight forwarders strictly adhere to these regulations.

  ●Key Requirements: Compliance with UN 38.3 testing; Proper packaging, labeling (e.g., Class 9 hazard labels), and documentation; Restrictions on state of charge (typically ≤30% for standalone batteries).

  ●Importance: Prevents safety incidents during air transport and ensures compliance with global aviation regulations.

Environmental & Regulatory Certifications

Beyond immediate safety, environmental and chemical regulations play a crucial role in the lifecycle of Li-ion/Lipo batteries.

RoHS

  ●Overview: Originally an EU directive, RoHS (Restriction of Hazardous Substances) restricts the use of specific hazardous materials found in electrical and electronic products. For batteries, this means ensuring that levels of substances like lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBBs), and polybrominated diphenyl ethers (PBDEs) are below prescribed limits. Many countries globally have adopted similar regulations.

  ●Key Requirements: Maximum concentration values for restricted substances (e.g., 0.1% for lead); Documentation and testing to verify compliance.

  ●Impact: Ensures batteries are environmentally safe and compliant for EU markets.

REACH

  ●Overview: Registration, Evaluation, Authorisation, and Restriction of Chemicals (REACH) is an EU regulation (EC 1907/2006) governing chemical substances. Battery manufacturers may need to register substances used in their products and ensure they comply with restrictions on certain Substances of Very High Concern (SVHCs).

  ●Importance: Ensures chemical safety and transparency in the supply chain.

  ●Applications: Applies to batteries and components sold in the EU.

California Proposition 65

  ●Overview: California’s Proposition 65 requires warnings for products containing chemicals known to cause cancer or reproductive harm.

  ●Key Requirements: Identification of listed chemicals in batteries (e.g., cadmium, cobalt compounds); Clear warning labels for consumers.

  ●Importance: Protects consumers and ensures compliance with stringent U.S. state regulations.

Quality Management

Robust quality management systems are essential for consistently producing safe and reliable batteries.

ISO 9001

  ●Overview: This is the international standard for a quality management system (QMS). Certification to ISO 9001 demonstrates an organization's commitment to quality, customer satisfaction, and continual improvement in its processes for designing, manufacturing, and distributing products, including batteries.

  ●Key Requirements: Documented processes for design, production, and testing; Continuous improvement and risk management.

  ●Importance: Builds trust with customers and regulators by demonstrating reliable quality control.

ISO 14001

  ●Overview: This standard specifies the requirements for an environmental management system (EMS). ISO 14001 certification shows a commitment to managing environmental responsibilities in a systematic manner, which can include aspects of battery production, use, and disposal.

  ●Importance: Demonstrates commitment to sustainability, a growing priority in battery manufacturing.

  ●Applications: Relevant for battery production facilities.

Market Access & Specialized Certifications

Accessing specific international markets often requires adherence to country-specific or region-specific standards.

CE Marking

  ●Region: European Economic Area

  ●Scope: Declares conformity with EU directives such as EMC, RoHS, and Low Voltage Directive (LVD).

  ●Note: Requires compliance with IEC 62133, UN 38.3, and sometimes EMC standards.

CB Scheme

  ●Issued by: IECEE (IEC System for Conformity Testing and Certification)

  ●Function: Facilitates global market entry by harmonizing testing across participating countries.

  ●Uses: Leverages IEC standards like IEC 62133 and 62619.

PSE Mark

  ●Region: Japan

  ●Scope: Required under Japan’s Electrical Appliance and Material Safety Law.

  ●Applies to: Products including lithium batteries; demands testing against specific safety criteria.

UKCA Mark

  ●Region: United Kingdom

  ●Equivalent to: CE marking post-Brexit.

  ●Note: Required for products entering the UK market since January 1, 2021.

KC Certification

●Region: South Korea

●Authority: Korea Certification (KC)

●Focus: Product safety, EMC compliance, and consumer protection.

BIS / ISI Mark

●Region: India

●Body: Bureau of Indian Standards

●Requirement: Mandatory for lithium-ion batteries sold in India.

●Testing: Often based on IS 16046 (harmonized with IEC 62133).

GB 31241

●Region: China

●Title: Safety requirements for lithium-ion batteries used in portable electronics.

●Mandatory: For mobile phones, laptops, and tablets since 2018.

Industry-Specific Certifications

Beyond general safety and market access, certain industries have highly specific certification requirements for batteries used in their applications.

Automotive

●ISO 26262: This standard addresses functional safety for electrical and/or electronic systems in road vehicles. For electric and hybrid vehicles, the battery management system (BMS) and the battery pack itself must often comply with ISO 26262 to ensure safety in case of system failures.

●IEC 62660 (Parts 1, 2 & 3): This series of standards is specific to secondary lithium-ion cells for the propulsion of electric road vehicles.

●SAE J2929: This SAE International standard provides safety guidelines for electric and hybrid vehicle rechargeable energy storage systems (RESS), essentially battery packs.

●UL 2580: This UL standard covers batteries for use in electric vehicles. It evaluates safety related to the battery pack, including electrical, mechanical, and environmental tests, considering the demanding conditions of automotive use.

●IATF 16949: This is a global Quality Management System standard for the automotive industry. Battery manufacturers supplying to the automotive sector are often required to be IATF 16949 certified, ensuring robust quality processes.

Aerospace & Aviation

RTCA DO-311: This document provides minimum operational performance standards (MOPS) for rechargeable lithium battery systems in aircraft. It outlines rigorous testing and safety assessments required for airborne lithium batteries to prevent catastrophic failures.

Medical Devices

IEC 60601-1: This is a series of technical standards for the safety and essential performance of medical electrical equipment. If a Li-ion battery is part of such equipment, it must contribute to the overall safety and compliance of the medical device, often requiring it to meet standards like IEC 62133.

Light Electric Vehicles (LEVs) / Micromobility

UL 2271: This UL standard specifically addresses batteries for use in Light Electric Vehicles (LEVs), such as e-bikes, e-scooters, and hoverboards. It evaluates the safety of the battery pack and its protective circuitry under various stress conditions.

Portable Electronics & Battery Packs

IEEE 1725/1625: These IEEE standards provide guidelines for rechargeable batteries for mobile computing devices (IEEE 1725) and mobile phones (originally IEEE 1625, now often integrated into broader considerations). They focus on quality and reliability throughout the battery system, from cell manufacturing to pack assembly and system integration, emphasizing a system-level approach to safety.

Logistics

IATA’s Center of Excellence for Independent Validators (CEIV) certifies logistics providers for handling lithium batteries.

Conclusion

In summary, Li-ion and LiPo batteries must meet a comprehensive suite of certifications addressing safety, transport, environmental impact, quality, market access, and industry-specific requirements. Compliance with these standards ensures batteries are safe, reliable, environmentally responsible, and legally marketable worldwide. As a leading global manufacturer of Li-ion and LiPo batteries, Grepow produces high-quality power solutions for diverse applications, including drones, robotics, consumer electronics, and wearable medical devices. Our batteries are distributed to over 100 countries worldwide and comply with all major international certifications for Li-ion and LiPo batteries, ensuring product quality and safety for our global customer base. If you have any questions or needs, please feel free to contact us at info@grepow.com.