IEEE 1625

IEEE 1625
Title	IEEE 1625
Organization	Institute of Electrical and Electronics Engineers
Year	2001
Status	Withdrawn
Scope	Rechargeable battery packs for portable computing devices

IEEE 1625 IEEE 1625 was a technical standard developed by the Institute of Electrical and Electronics Engineers to define performance, safety, and interchangeability requirements for rechargeable battery packs used in portable computing devices. The standard aimed to harmonize battery pack design practices across manufacturers such as Dell, Hewlett-Packard, Lenovo, Apple Inc., and IBM, promoting user safety and supply chain interoperability. IEEE 1625 influenced regulatory and industry guidance from bodies including the Underwriters Laboratories, International Electrotechnical Commission, Federal Aviation Administration, and Transportation Security Administration.

Overview

IEEE 1625 addressed lithium-ion and nickel-based battery packs for laptop computers and other portable information technology products manufactured by firms like Compaq, Sony Corporation, Toshiba Corporation, Acer Inc., and AsusTek Computer Inc.. The standard provided specifications for electrical performance, physical design, environmental resilience, and marking requirements referenced in standards from JEDEC, SAE International, ETSI, Bureau of Indian Standards, and ANSI. Stakeholders included OEMs such as Samsung Electronics, LG Corporation, and Panasonic Corporation, along with testing laboratories like Intertek Group and SGS S.A..

Scope and Purpose

The purpose of IEEE 1625 was to reduce incidents like thermal runaway and to standardize interoperability for replacement batteries sold by third parties such as Anker Innovations, Duracell, and Energizer Holdings. It set out objectives for manufacturers including quality assurance practices used by Foxconn, Quanta Computer, and Pegatron Corporation; design controls similar to those in Siemens and General Electric product engineering; and supply chain traceability practiced by Intel Corporation and Microsoft Corporation. Regulators and agencies such as National Institute of Standards and Technology, European Commission, and Health Canada referenced IEEE-based guidance when assessing product safety.

Technical Requirements and Specifications

IEEE 1625 specified electrical characteristics (nominal voltage, capacity, charge/discharge profiles) relevant to cells from suppliers like Panasonic Corporation, LG Chem, and Samsung SDI. Mechanical specifications included pack enclosure materials and shock requirements similar to testing regimens used by Boeing, Airbus, and Lockheed Martin. Environmental resilience criteria—temperature, humidity, altitude—echoed standards from ISO committees and were relevant to fielded products by Cisco Systems, Juniper Networks, and HP Enterprise. Safety tests paralleled protocols from Underwriters Laboratories and International Civil Aviation Organization, and included overcharge protection, short-circuit protection, and thermal management strategies employed by Tesla, Inc. research groups. The document also referenced battery management system features implemented by Texas Instruments, Analog Devices, and Maxim Integrated.

Compliance and Certification

Manufacturers sought compliance labels and certification processes analogous to programs run by Underwriters Laboratories, TUV Rheinland, and CSA Group to demonstrate conformance with IEEE 1625. Certification workflows involved test houses like Bureau Veritas and TUV SUD and procurement specifications used by corporations such as Walmart, Amazon (company), and Best Buy. Conformance testing covered cell-level validation from manufacturers like Sony Energy Devices Corporation and pack-level verification practiced by OEMs including Fujitsu and NEC Corporation.

Impact and Industry Adoption

IEEE 1625 influenced product design decisions across major laptop vendors and aftermarket suppliers including Kingston Technology and Crucial Technology, shaping user-replaceable battery expectations in devices by Dell Inc., HP Inc., and Lenovo Group. The standard informed supply contracts and warranties used by retailers such as Staples, Inc. and service providers like Geek Squad (a division of Best Buy). Its safety practices contributed to airline carriage policies influenced by the Federal Aviation Administration and International Air Transport Association guidelines. Over time, design trends led by Apple Inc. and Google LLC in mobile computing shifted market preferences toward integrated, non-user-replaceable batteries, affecting how IEEE 1625 guidelines were applied.

Revisions and Related Standards

IEEE 1625 was complemented and eventually succeeded in practice by related standards and specifications from organizations including JEDEC Solid State Technology Association, IEC 62133 from the International Electrotechnical Commission, and battery management recommendations from ISO/IEC JTC 1. Industry initiatives spearheaded by consortiums like the Rechargeable Battery Association and technical committees within the Institute of Electrical and Electronics Engineers prompted updates mirrored in documents used by Apple Inc., Samsung Electronics, and Huawei Technologies. National regulations from agencies such as Environment and Climate Change Canada and the European Chemicals Agency also intersected with the standard's lifecycle.

Category:IEEE standards