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YD/T 2657-2021 English PDF

US$579.00 ยท In stock
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YD/T 2657-2021: (High-temperature valve-regulated lead-acid battery for communication)
Status: Valid

YD/T 2657: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YD/T 2657-2021English579 Add to Cart 5 days [Need to translate] (High-temperature valve-regulated lead-acid battery for communication) Valid YD/T 2657-2021
YD/T 2657-2013English879 Add to Cart 4 days [Need to translate] High temperature valve-regulated lead acid batteries for telecommunications Obsolete YD/T 2657-2013

PDF similar to YD/T 2657-2021


Standard similar to YD/T 2657-2021

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Basic data

Standard ID YD/T 2657-2021 (YD/T2657-2021)
Description (Translated English) (High-temperature valve-regulated lead-acid battery for communication)
Sector / Industry Telecommunication Industry Standard (Recommended)
Classification of Chinese Standard M41
Classification of International Standard 29.200
Word Count Estimation 25,246
Date of Issue 2021-12-02
Date of Implementation 2022-04-01
Older Standard (superseded by this standard) YD/T 2657-2013
Regulation (derived from) Ministry of Industry and Information Technology Announcement No. 33 of 2021
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the terms, symbols, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of high-temperature VRLA batteries for telecommunication. This standard applies to high-temperature VRLA batteries used in indoor communication base stations, outdoor communication base stations, core computer rooms and data centers. High-temperature VRLA batteries used in other systems such as solar energy and wind energy can also be referred to. use.

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Question 5: Should I purchase the latest version YD/T 2657-2021?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YD/T 2657-2021 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.