{"id":268,"date":"2015-08-16T20:47:19","date_gmt":"2015-08-16T19:47:19","guid":{"rendered":"https:\/\/www.powertechsystems.eu\/tech-corner\/lead-acid-battery-downsides\/"},"modified":"2026-03-23T11:17:15","modified_gmt":"2026-03-23T10:17:15","slug":"limitations-des-batteries-au-plomb","status":"publish","type":"page","link":"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lead-acid-battery-downsides\/","title":{"rendered":"Limitations des batteries au Plomb"},"content":{"rendered":"<link rel=\"preload\" href=\"https:\/\/www.powertechsystems.eu\/wp-content\/uploads\/sites\/2\/2016\/05\/Usable-capacity-1.webp\" as=\"image\">\r\n\n\n<div class=\"row\"  id=\"row-1341575146\">\n\n\t<div id=\"col-269276048\" class=\"col medium-9 small-12 large-9\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div class=\"nav-wrapper\"><ul class=\"nav nav-uppercase nav-horizontal nav-size-small nav-pills text-center nav-center\"><li class=\"active\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lead-acid-battery-downsides\/\">Limitations des batteries au Plomb<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-ion-battery-advantages\/\">La r\u00e9volution des batteries Lithium-Ion<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-ion-vs-lead-acid-battery\/\">Comparatif technique batteries Lithium-ion vs Plomb<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-ion-vs-lead-acid-cost-analysis\/\">Etude de cout du Lithium-Ion vs batteries au Plomb<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/safety-of-lithium-ion-batteries\/\">La s\u00e9curit\u00e9 des batteries Lithium-ion<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-iron-phosphate-lifepo4\/\">La technologie Lithium Fer Phosphate (LiFePO4 ou LFP)<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/the-solid-state-lithium-battery-revolution\/\">Les batteries Solides ou Solid-State<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-ion-state-of-charge-soc-measurement\/\">Mesurer l'\u00e9tat de charge (SOC) d'une batterie Lithium-Ion<\/a><\/li><\/ul><\/div>\n\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:2px;border-color:#999999\"><\/div>\n<h1>Limitations des batteries au Plomb<\/h1>\n<h4>1\/ Dur\u00e9e de vie et capacit\u00e9 \u201cutilisable\u201d limit\u00e9e<\/h4>\n<p>Les batteries Plomb AGM ne sont pas con\u00e7ues pour \u00eatre d\u00e9charg\u00e9es profond\u00e9ment. On consid\u00e8re que la capacit\u00e9 utile d\u2019une batterie au plomb est comprise entre 30% et 50% de sa capacit\u00e9 r\u00e9elle. Si les cycles sont plus profonds, il en r\u00e9sulte une d\u00e9gradation de la batterie et une dur\u00e9e de vie fortement limit\u00e9e.<br \/>\nSi, ne serait-ce qu'occasionnellement, vous d\u00e9chargez les piles au-del\u00e0 de cette limite, leur dur\u00e9e de vie sera consid\u00e9rablement r\u00e9duite.<br>En pratique, cela signifie par exemple qu\u2019une batterie au Plomb ayant une capacit\u00e9 r\u00e9elle de 600Ah aura une capacit\u00e9 utile de 300Ah.<\/p>\n<figure id=\"attachment_2630\" aria-describedby=\"caption-attachment-2630\" style=\"width: 250px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-2630\" src=\"https:\/\/www.powertechsystems.eu\/wp-content\/uploads\/sites\/2\/2016\/05\/Usable-capacity-1.webp\" alt=\"Plomb Acide AGM - Capacit\u00e9 utilisable\" width=\"250\" height=\"182\"\/><figcaption id=\"caption-attachment-2630\" class=\"wp-caption-text\">Plomb Acide AGM - Capacit\u00e9 utilisable<\/figcaption><\/figure>\n\n<h4>2\/ Nombre de cycles<\/h4>\n<p>M\u00eame si elles ne sont jamais trop sollicit\u00e9es, les meilleures batteries au plomb ne durent que 500 \u00e0 1000 cycles. Si vous utilisez fr\u00e9quemment votre batterie, il se peut qu'elle doive \u00eatre remplac\u00e9e apr\u00e8s moins de deux ans d'utilisation.<\/p>\n\n<span class=\"su-lightbox\" data-mfp-src=\"https:\/\/www.powertechsystems.eu\/wp-content\/uploads\/sites\/2\/2015\/08\/CycleLife.webp\" data-mfp-type=\"image\" data-mobile=\"yes\">\n<figure id=\"attachment_287\" aria-describedby=\"caption-attachment-287\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.powertechsystems.eu\/wp-content\/uploads\/sites\/2\/2015\/08\/CycleLife-300x193.webp\" alt=\"\" width=\"300\" height=\"193\" class=\"size-medium wp-image-287\" \/><figcaption id=\"caption-attachment-287\" class=\"wp-caption-text\">Technologie Plomb-acide (AGM)<br \/>Nombre de cycles pr\u00e9vus en fonction<br>de la profondeur de d\u00e9charge<\/figcaption><\/figure>\n<\/span>\n\n<h4>2\/ Processus de charge lent et inefficace<\/h4>\n<p>Une batterie au Plomb doit \u00eatre charg\u00e9e r\u00e9guli\u00e8rement \u00e0 100% pour ne pas diminuer pr\u00e9matur\u00e9ment sa dur\u00e9e de vie. La charge d\u2019une batterie au Plomb doit \u00eatre effectu\u00e9e lentement sur la fin du cycle (les 20 derniers %). Ceci afin que la batterie \u00ab absorbe \u00bb les derniers amp\u00e8res sans faire chauffer les \u00e9l\u00e9ments chimiques internes.<\/p>\n<p>Just like a software development project, the final 20% of the work can end up taking 80% of the time.<\/p>\n<p>Cependant, ce n\u2019est pas un probl\u00e8me si la batterie est connect\u00e9e toute une nuit sur un chargeur. Mais pour certaines applications, une charge compl\u00e8te peut \u00eatre d\u00e9licate \u00e0 effectuer. Par exemple une batterie aliment\u00e9e par panneaux solaires peut ne pas \u00eatre charg\u00e9e totalement. Cel\u00e0 peut \u00eatre du \u00e0 une activit\u00e9 solaire insuffisante durant une journ\u00e9e. Ou encore l\u2019utilisation d\u2019un v\u00e9hicule sans \u00ab attendre \u00bb que la charge soit termin\u00e9e engendrera des cycles incomplets.<\/p>\n<p>Or, les cycles de charges incomplets engendrent une <b>diminution pr\u00e9matur\u00e9e de la dur\u00e9e de vie<\/b> de la batterie.<\/p>\n<h4>3\/ Efficacit\u00e9 et rendement des batteries Plomb<\/h4>\n<p>D\u2019un autre c\u00f4t\u00e9, les batteries au Plomb souffrent d\u2019une autre limitation d\u2019ordre technique : <b>entre 15 et 20% de l\u2019\u00e9nergie de charge est perdue durant l\u2019op\u00e9ration de charge ou de d\u00e9charge<\/b>. Si le chargeur fournit 100 amp\u00e8res, la batterie n\u2019absorbera que 80A en une heure.<\/p>\n<p>Cette caract\u00e9ristique est particuli\u00e8rement p\u00e9nalisante dans les applications solaires o\u00f9 l\u2019on recherchera \u00e0 optimiser l\u2019installation pour capter le maximum d\u2019\u00e9nergie durant la p\u00e9riode d\u2019ensoleillement.<\/p>\n<h4>4\/ Les pertes de Peukert<\/h4>\n<p>Plus vous d\u00e9chargez rapidement une batterie en technologie plomb, moins vous pouvez en tirer d'\u00e9nergie. Cet effet peut \u00eatre calcul\u00e9 en appliquant <a href=\"https:\/\/en.wikipedia.org\/wiki\/Peukert%27s_law\">Loi de Peukert.<\/a> Dans la pratique, cela signifie que les gros consommateurs tel qu'un climatiseur, un four \u00e0 micro-ondes ou une table de cuisson  peuvent engendrer qu'un parc de batteries au plomb ne puisse en r\u00e9alit\u00e9 fournir que 60% de sa capacit\u00e9 nominale. Il s'agit d'une perte de capacit\u00e9 consid\u00e9rable au moment o\u00f9 vous en avez le plus besoin...<\/p>\n\n<span class=\"su-lightbox\" data-mfp-src=\"https:\/\/www.powertechsystems.eu\/wp-content\/uploads\/sites\/2\/2016\/05\/Peukert-Losses.webp\" data-mfp-type=\"image\" data-mobile=\"yes\"><figure id=\"attachment_2642\" aria-describedby=\"caption-attachment-2642\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.powertechsystems.eu\/wp-content\/uploads\/sites\/2\/2016\/05\/Peukert-Losses-300x241.webp\" alt=\"perte de peukert suite \u00e0 la d\u00e9charge rapide de l&#039;AGA\" width=\"300\" height=\"241\" class=\"size-medium wp-image-2642\" \/><figcaption id=\"caption-attachment-2642\" class=\"wp-caption-text\">Cons\u00e9quences des pertes de Peukert sur l'utilisation des batteries au Plomb<\/figcaption><\/figure><\/span>\n\n<p>L'exemple ci-dessus pr\u00e9sente les sp\u00e9cifications d'une batterie AGM: ces derni\u00e8res indiquent que la batterie peut fournir 100% de sa capacit\u00e9 nominale si elle est d\u00e9charg\u00e9e en 20 heures (C\/20). <strong>Si elle est d\u00e9charg\u00e9e en une heure (C\/1), la batterie ne fournira que 60% de la capacit\u00e9 nominale.<\/strong>. Il s'agit d'un effet direct des pertes de Peukert.<\/p>\n<p>En fin de compte, <strong>une batterie AGM d'une capacit\u00e9 de 100Ah \u00e0 C\/20 fournira une capacit\u00e9 utilisable de 30Ah lorsqu'elle sera d\u00e9charg\u00e9e en une heure.<\/strong> L\u2019\u00e9nergie r\u00e9siduelle est calcul\u00e9e ainsi : 30Ah = 100Ah x 50% (profondeur de d\u00e9charge) x 60% (Pertes de Peukert).<\/p>\n<table>\n<tr>\n<td><figure id=\"attachment_2640\" aria-describedby=\"caption-attachment-2640\" style=\"width: 200px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-2640\" src=\"\/wp-content\/uploads\/sites\/2\/2016\/05\/50-Usable-capacity-C20.webp\" alt=\"Capacit\u00e9 utilisable du plomb-acide \u00e0 C\/20 (20 heures de d\u00e9charge)\" width=\"200\" height=\"197\" \/><figcaption id=\"caption-attachment-2640\" class=\"wp-caption-text\">Capacit\u00e9 utile du Plomb \u00e0 C\/20<br \/>(d\u00e9charge en 20 heures)<\/figcaption><\/figure><\/td>\n<td><figure id=\"attachment_2638\" aria-describedby=\"caption-attachment-2638\" style=\"width: 210px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-2638\" src=\"\/wp-content\/uploads\/sites\/2\/2016\/05\/30-Usable-capacity-C1.webp\" alt=\"Capacit\u00e9 utilisable de l&#039;acide au plomb \u00e0 C\/1 (d\u00e9charge d&#039;une heure)\" width=\"210\" height=\"197\" \/><figcaption id=\"caption-attachment-2638\" class=\"wp-caption-text\">Capacit\u00e9 utile du Plomb \u00e0 C\/1<br \/> (d\u00e9charge en 1 heure)<\/figcaption><\/figure><\/td>\n<\/tr>\n<\/table>\n<h4>5\/ Questions relatives au placement<\/h4>\n<p>Les batteries plomb d\u00e9gagent des gaz acides nocifs lorsqu'elles sont en charge et doivent \u00eatre plac\u00e9es dans un coffre \u00e0 batterie herm\u00e9tiquement ferm\u00e9 et ventil\u00e9 vers l'ext\u00e9rieur. Elles doivent \u00e9galement \u00eatre stock\u00e9es en position verticale, afin d'\u00e9viter les d\u00e9versements d'acide de batterie.<\/p>\n<p>Les batteries AGM n'ont pas ces contraintes et peuvent \u00eatre plac\u00e9es dans des zones non ventil\u00e9es, m\u00eame \u00e0 l'int\u00e9rieur de votre espace de vie. C'est l'une des raisons pour lesquelles les batteries AGM sont devenues si populaires aupr\u00e8s des marins.<\/p>\n<h4>6\/ Maintenance<\/h4>\n<p>Les batteries au plomb \u00e0 \u00e9lectrolyte liquide doivent \u00eatre r\u00e9guli\u00e8rement remplies d'eau distill\u00e9e, ce qui peut s'av\u00e9rer une t\u00e2che d'entretien fastidieuse si vos compartiments de batteries sont difficiles d'acc\u00e8s.<\/p>\n<p>Les batteries AGM et \u00e0 \u00e9lectrolyte g\u00e9lifi\u00e9 sont toutefois v\u00e9ritablement sans entretien. Mais cette absence d'entretien pr\u00e9sente un inconv\u00e9nient : une batterie \u00e0 \u00e9lectrolyte liquide qui a \u00e9t\u00e9 accidentellement surcharg\u00e9e peut souvent \u00eatre sauv\u00e9e en rempla\u00e7ant l'eau qui s'est \u00e9vapor\u00e9e. Une batterie \u00e0 \u00e9lectrolyte g\u00e9lifi\u00e9 ou AGM qui a \u00e9t\u00e9 surcharg\u00e9e est souvent irr\u00e9m\u00e9diablement endommag\u00e9e.<\/p>\n<h4>7\/ Chute de tension et r\u00e9sistance interne<\/h4>\n<p>Une batterie au plomb de 12 volts enti\u00e8rement charg\u00e9e commence \u00e0 une tension d'environ 12,8 volts, mais au fur et \u00e0 mesure qu'elle se vide, la tension baisse r\u00e9guli\u00e8rement. La tension tombe en dessous de 12 volts lorsque la batterie a encore 35% de sa capacit\u00e9 totale, mais certains appareils \u00e9lectroniques peuvent ne pas fonctionner avec une tension inf\u00e9rieure \u00e0 12 volts. Cet effet d'affaissement peut \u00e9galement entra\u00eener un affaiblissement de l'\u00e9clairage.<br><br>Cette chute de tension est directement li\u00e9e \u00e0 la r\u00e9sistance interne \u00e9lev\u00e9e de la technologie Plomb. Pour r\u00e9sumer :  <b>plus la batterie d\u00e9livre un courant important et plus la chute de tension sera significative<\/b>.<\/p>\n\n<span class=\"su-lightbox\" data-mfp-src=\"https:\/\/www.powertechsystems.eu\/wp-content\/uploads\/sites\/2\/2019\/01\/Voltage-Sag-EN.webp\" data-mfp-type=\"image\" data-mobile=\"yes\"><figure id=\"attachment_2284\" aria-describedby=\"caption-attachment-2284\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.powertechsystems.eu\/wp-content\/uploads\/sites\/2\/2019\/01\/Voltage-Sag-EN-300x187.webp\" alt=\"PowerStart ou batterie de d\u00e9marrage classique\" width=\"300\" height=\"200\" class=\"size-medium wp-image-2284\" \/><figcaption id=\"caption-attachment-2284\" class=\"wp-caption-text\">Effet d'affaissement de la tension \u00e0 un taux de puissance \u00e9lev\u00e9<\/figcaption><\/figure><\/span>\n\n<h4>8\/ Poids et densit\u00e9 d\u2019\u00e9nergie du Lithium Fer Phosphate (LiFePO4) compar\u00e9 au plomb<\/h4>\n<p>Pour prendre un exemple concret la batterie 8D-AGM de Trojan p\u00e8se 167lbs et mesure 20,5\u2033 x 10,5\u2033 x 9,5\u2033. Cette batterie fournit seulement 230 amp\u00e8res-heures de capacit\u00e9 totale - ce qui vous laisse 115 amp\u00e8res-heures r\u00e9ellement utilisables, et seulement 70 pour les applications \u00e0 d\u00e9charge \u00e9lev\u00e9e !<\/p>\n<p>Si vous pr\u00e9voyez de faire beaucoup de camping ou d'\u00e9quiper votre bateau \u00e9lectrique, il vous faudra au moins quatre batteries 8D, voire jusqu\u2019\u00e0 huit. Cela repr\u00e9sente un poids consid\u00e9rable \u00e0 transporter pour une efficacit\u00e9 \u00e9nerg\u00e9tique tr\u00e8s faible.<\/p>\n<p>De plus, si l\u2019espace disponible pour les batteries sur votre v\u00e9hicule est limit\u00e9, la taille m\u00eame des batteries limitera votre capacit\u00e9.<\/p>\n\n\n\n<span class=\"su-lightbox\" data-mfp-src=\"https:\/\/www.powertechsystems.eu\/wp-content\/uploads\/sites\/2\/2026\/03\/Energy-density.jpg\" data-mfp-type=\"image\" data-mobile=\"yes\">\n\n<figure id=\"attachment_287\" aria-describedby=\"caption-attachment-287\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.powertechsystems.eu\/wp-content\/uploads\/sites\/2\/2026\/03\/Energy-density.jpg\" alt=\"Densit\u00e9 \u00e9nerg\u00e9tique sp\u00e9cifique et volumique par technologie de batterie\" width=\"300\" class=\"size-medium wp-image-303\" \/><figcaption id=\"caption-attachment-287\" class=\"wp-caption-text\">Densit\u00e9 \u00e9nerg\u00e9tique sp\u00e9cifique et volumique par technologie de batterie<\/figcaption><\/figure>\n<\/span>\n\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:2px;border-color:#999999\"><\/div>\n<div class=\"nav-wrapper\"><ul class=\"nav nav-uppercase nav-vertical nav-pills text-center nav-center\"><li class=\"active\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lead-acid-battery-downsides\/\">Limitations des batteries au Plomb<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-ion-battery-advantages\/\">La r\u00e9volution des batteries Lithium-Ion<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-ion-vs-lead-acid-battery\/\">Comparatif technique batteries Lithium-ion vs Plomb<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-ion-vs-lead-acid-cost-analysis\/\">Etude de cout du Lithium-Ion vs batteries au Plomb<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/safety-of-lithium-ion-batteries\/\">La s\u00e9curit\u00e9 des batteries Lithium-ion<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-iron-phosphate-lifepo4\/\">La technologie Lithium Fer Phosphate (LiFePO4 ou LFP)<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/the-solid-state-lithium-battery-revolution\/\">Les batteries Solides ou Solid-State<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-ion-state-of-charge-soc-measurement\/\">Mesurer l'\u00e9tat de charge (SOC) d'une batterie Lithium-Ion<\/a><\/li><\/ul><\/div>\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:2px;border-color:#999999\"><\/div>\n\n<div class=\"sue-panel\" data-url=\"\" data-target=\"self\" style=\"background-color:#ffffff;color:#656363;border-radius:5px;-moz-border-radius:5px;-webkit-border-radius:5px;box-shadow:0px 0px 25px #e9e8e8;-moz-box-shadow:0px 0px 25px #e9e8e8;-webkit-box-shadow:0px 0px 25px #e9e8e8;border:1px solid #cccccc\"><div class=\"sue-panel-content sue-content-wrap\" style=\"padding:1px;text-align:center\"><span style=\"font-size:11px;font-weight: bold;\">Cette page et son contenu sont la propri\u00e9t\u00e9 exclusive de PowerTech Systems. 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decoding=\"async\" class=\"size-medium wp-image-1688\" src=\"\/wp-content\/uploads\/sites\/2\/2016\/01\/PBrick-300x193.webp\" alt=\"Batterie 12V Lithium-Ion - PowerBrick+ (en anglais)\" width=\"300\" height=\"193\" \/><\/a>\r\n<\/center>\r\n<\/div><\/div>\r\n\r\n<div class=\"su-box su-box-style-default my-su-box\" id=\"\" style=\"border-color:#000000;border-radius:3px;max-width:none\"><div class=\"su-box-title\" style=\"background-color:#333333;color:#FFFFFF;border-top-left-radius:1px;border-top-right-radius:1px\">Batteries Lithium Modulaires :<br>Gamme PowerModule\u00ae<\/div><div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"border-bottom-left-radius:1px;border-bottom-right-radius:1px\">\r\n<center><a href=\"\/fr\/produits\/systeme-modulaire-powermodule-48v-lithium\/\"><img decoding=\"async\" class=\"aligncenter size-medium wp-image-2534\" src=\"\/wp-content\/uploads\/sites\/2\/2016\/05\/PowerModule-V-300-300x150.webp\" alt=\"PowerModule Batterie modulaire au lithium - PowerModule\" width=\"200\" height=\"100\" \/><br \/>\t \t \r\n<img decoding=\"async\" class=\"aligncenter size-medium wp-image-825\" src=\"\/wp-content\/uploads\/sites\/2\/2019\/10\/PowerModule-v2-300x200.webp\" alt=\"PowerModule - Batterie modulaire au lithium pour la traction\" width=\"300\" height=\"200\" \/>\r\n<img decoding=\"async\" src=\"\/wp-content\/uploads\/sites\/2\/2022\/04\/MIF_V_EN-275x400.webp\" alt=\"PowerTech fabrique en en France\" width=\"138\" height=\"200\" class=\"aligncenter size-medium wp-image-11736\" \/>\r\n<\/a><\/center>\r\n<\/div><\/div>\r\n\r\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:40px 0;border-width:2px;border-color:#999999\"><\/div>\r\n<div style=\"text-align:center;\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/sites\/2\/2019\/12\/Logo-AFAQ-9001-150x150.webp\" alt=\"PowerTech est certifi\u00e9e ISO-9001\" width=\"150\" height=\"150\" class=\"aligncenter size-thumbnail\" \/><br\/>PowerTech est<br><b>Certifi\u00e9 ISO-9001<\/b>\r\n<\/div>\r\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:40px 0;border-width:2px;border-color:#999999\"><\/div>\r\n<div style=\"text-align:center;\"><a href=\"\/fr\/powertech-systems-fait-desormais-parti-de-la-french-tech\/\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/sites\/2\/2018\/11\/FrenchTech.png\" alt=\"PowerTech fait partie de FrenchTech depuis 2018\" width=\"150\" height=\"150\" class=\"aligncenter size-thumbnail\" \/>\r\n<br>&nbsp;<br><img decoding=\"async\" src=\"\/wp-content\/uploads\/sites\/2\/2025\/06\/French-Fab.avif\" alt=\"PowerTech fait partie de FrenchFab depuis 2018\" width=\"150\" height=\"90\" class=\"aligncenter size-thumbnail\" \/>\r\n<br>PowerTech est membre de <br><b>FrenchTech<\/b> et <b>FrenchFab<\/b><br>depuis 2018<\/a>\r\n<\/div>\r\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:40px 0;border-width:2px;border-color:#999999\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\t<div id=\"gap-1288023932\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1288023932 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":13988,"parent":264,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-268","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Lead Acid battery Downsides &amp; Maintenance<\/title>\n<meta name=\"description\" content=\"Learn about the limitations of lead acid batteries and why exceeding their recommended usage can drastically shorten their lifespan.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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