SIST EN 62877-1:2016

Electrolyte and water for vented Lead Acid accumulators - Part 1: Requirements for electrolyte

This part of IEC 62877 applies to electrolyte and their components used for filling vented
lead-acid batteries, for example dry charged cells or batteries, and for electrolyte replacement
or electrolyte density adjustment of batteries in operation. This international standard defines
the composition, purity and properties of electrolyte to be applied where specific instructions
from the battery manufacturer are not available.

Elektrolyte und Wasser für geschlossene Blei-Säure-Batterien - Teil 1: Anforderungen an Elektrolyte

Electrolyte et eau pour accumulateurs plomb acide ouverts - Partie 1: Exigences pour l'électrolyte

L'IEC 62877-1:2016 s'applique à l'électrolyte et à ses composants utilisés pour le remplissage des batteries plomb-acide ouvertes, par exemple les éléments chargés secs ou les batteries chargées sèches et pour le remplacement de l'électrolyte ou l'ajustement de la densité de l'électrolyte des batteries en fonctionnement. La présente norme internationale définit la composition, la pureté et les propriétés de l'électrolyte qui doivent être appliquées en l'absence d'instructions spécifiques du fabricant de batteries.

Elektrolit in voda za oddušne svinčeve akumulatorje - 1. del: Zahteve za elektrolit

Ta del standarda IEC 62877 se uporablja za elektrolite in njihove komponente, ki se uporabljajo za polnjenje oddušnih svinčevih baterij, npr. suho polnjene celice ali baterije, in za zamenjavo elektrolita ali prilagoditev gostote elektrolita v delujočih baterijah. Ta mednarodni standard opredeljuje sestavo, čistost in lastnosti elektrolita, ki se uporablja, če ni na voljo podrobnejših informacij proizvajalca baterije.

General Information

• Status: Published
• Publication Date: 13-Jun-2016
• ICS: 29.220.20 - Acid secondary cells and batteries
• Technical Committee: ISCB - Secondary cells and batteries
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 07-Jun-2016
• Due Date: 12-Aug-2016
• Completion Date: 14-Jun-2016
• Ref Project: EN 62877-1:2016 - Electrolyte and water for vented lead acid accumulators - Part 1: Requirements for electrolyte

Relations

• Revised: oSIST prEN IEC 62877-1:2023 - Electrolyte and water for vented lead acid accumulators - Part 1: requirements for electrolyte
• Effective Date: 09-Dec-2021
• Corrected By: SIST EN 62877-1:2016/AC:2020 - Electrolyte and water for vented lead acid accumulators - Part 1: Requirements for electrolyte
• Effective Date: 30-May-2017

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 62877-1:2016
01-julij-2016
(OHNWUROLWLQYRGD]DRGGXãQHVYLQþHYHDNXPXODWRUMHGHO=DKWHYH]DHOHNWUROLW
Electrolyte and water for vented Lead Acid accumulators - Part 1: Requirements for
electrolyte
Electrolyte et eau pour accumulateurs plomb acide ouverts - Partie 1: Exigences pour
l'électrolyte
Ta slovenski standard je istoveten z: EN 62877-1:2016
ICS:
29.220.20 .LVOLQVNLVHNXQGDUQLþOHQLLQ Acid secondary cells and
EDWHULMH batteries
SIST EN 62877-1:2016 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------

SIST EN 62877-1:2016

---------------------- Page: 2 ----------------------

SIST EN 62877-1:2016


EUROPEAN STANDARD EN 62877-1

NORME EUROPÉENNE

EUROPÄISCHE NORM
May 2016
ICS 29.220.20

English Version
Electrolyte and water for vented lead acid accumulators -
Part 1: Requirements for electrolyte
(IEC 62877-1:2016)
Electrolyte et eau pour accumulateurs plomb-acide ouverts - Elektrolyte und Wasser für geschlossene Blei-Säure-Batterien -
Partie 1: Exigences pour l'électrolyte Teil 1: Anforderungen an Elektrolyte
(IEC 62877-1:2016) (IEC 62877-1:2016)
This European Standard was approved by CENELEC on 2016-03-02. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.


European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2016 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN 62877-1:2016 E

---------------------- Page: 3 ----------------------

SIST EN 62877-1:2016
EN 62877-1:2016
European foreword
The text of document 21/874/FDIS, future edition 1 of IEC 62877-1, prepared by IEC/TC 21
"Secondary cells and batteries" was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN 62877-1:2016.
The following dates are fixed:
(dop) 2016-12-02
• latest date by which the document has to be implemented at
national level by publication of an identical national
standard or by endorsement
(dow) 2019-03-02
• latest date by which the national standards conflicting with
the document have to be withdrawn

Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.
Endorsement notice
The text of the International Standard IEC 62877-1:2016 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following note has to be added for the standard indicated :
IEC 62485-3 NOTE Harmonized as EN 62485-3.
2

---------------------- Page: 4 ----------------------

SIST EN 62877-1:2016
EN 62877-1:2016
Annex ZA
(normative)

Normative references to international publications
with their corresponding European publications
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod),
the relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is
available here: www.cenelec.eu.

Publication Year Title EN/HD Year
-
IEC 62877-2 -  Electrolyte and water for vented lead EN 62877-2
acid accumulators -
Part 2: Requirements for water

3

---------------------- Page: 5 ----------------------

SIST EN 62877-1:2016

---------------------- Page: 6 ----------------------

SIST EN 62877-1:2016



IEC 62877-1

®


Edition 1.0 2016-01




INTERNATIONAL



STANDARD




NORME



INTERNATIONALE











Electrolyte and water for vented lead acid accumulators –

Part 1: Requirements for electrolyte




Électrolyte et eau pour accumulateurs plomb-acide ouverts –

Partie 1: Exigences pour l'électrolyte

















INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE


INTERNATIONALE




ICS 29.220.20 ISBN 978-2-8322-3139-5



Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

---------------------- Page: 7 ----------------------

SIST EN 62877-1:2016
– 2 – IEC 62877-1:2016 © IEC 2016
CONTENTS
FOREWORD . 3
1 Scope . 5
2 Normative references. 5
3 Terms and definitions . 5
4 Preparation of electrolyte for lead-acid accumulators . 7
5 Physical properties of diluted sulfuric acid as electrolyte . 7
5.1 Dependence of acid density on temperature . 7
5.2 Relationship of electrolyte density on the content of sulfuric acid at 25 °C . 8
5.3 Electrolyte density compared to the state of discharge . 8
6 Requirements of sulfuric acid used as electrolyte . 8
6.1 Impurities of sulfuric acid of higher concentration degrees . 8
6.2 Impurities of filling acid . 8
6.3 Impurities of operating electrolyte . 9
7 Storage of electrolyte . 10
8 Remedy in the event of damage due to electrolyte . 10
Bibliography . 12

Table 1 – Correction of density from measuring temperature to reference/specified
temperature . 7
Table 2 – Acid density versus percentage of sulphuric acid at 25 °C . 8
Table 3 – Maximum allowed impurities of diluted sulfuric acid as filling electrolyte
for lead-acid batteries in the density range ≤ 1,30 kg/l . 9
Table 4 – Maximum allowed impurity of diluted acid as operating electrolyte
for lead-acid batteries in the density range ≤ 1,30 kg/l . 10

---------------------- Page: 8 ----------------------

SIST EN 62877-1:2016
IEC 62877-1:2016 © IEC 2016 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

ELECTROLYTE AND WATER FOR VENTED
LEAD ACID ACCUMULATORS –

Part 1: Requirements for electrolyte

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 62877-1 has been prepared by IEC technical committee 21:
Secondary cells and batteries.
The text of this standard is based on the following documents:
FDIS Report on voting
21/874/FDIS 21/881/RVD

Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

---------------------- Page: 9 ----------------------

SIST EN 62877-1:2016
– 4 – IEC 62877-1:2016 © IEC 2016
A list of all parts of the IEC 62877 series can be found, under the general title Electrolyte and
water for vented lead acid accumulators, on the IEC website.
The committee has decided that the contents of this publication will remain unchanged until
the stability date indicated on the IEC web site under "http://webstore.iec.ch" in the data
related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

---------------------- Page: 10 ----------------------
...