{"id":4025,"date":"2021-12-10T12:20:15","date_gmt":"2021-12-10T12:20:15","guid":{"rendered":"https:\/\/www.ahotech.com\/?p=4025"},"modified":"2022-02-22T04:17:42","modified_gmt":"2022-02-22T04:17:42","slug":"kuinka-testata-lifepo4-akkua","status":"publish","type":"post","link":"https:\/\/www.ahotech.com\/fi\/2021\/12\/how-to-test-lifepo4-battery\/","title":{"rendered":"Kuinka testata lifepo4-akkua"},"content":{"rendered":"<h4 class=\"wp-block-heading\" id=\"h-what-is-lifepo4-battery\">Mik\u00e4 on lifepo4-akku?<\/h4>\n\n\n\n<p>Lifepo4-akku eli LFP-akku on er\u00e4\u00e4nlainen Lifepo4-akku, jossa k\u00e4ytet\u00e4\u00e4n litiumrautafosfaattia katodimateriaalina ja grafiittista hiilielektrodia, jossa on metallinen tausta, anodina. Lifepo4-akulla on monia etuja verrattuna lyijyakkuihin ja muihin litiumakkuihin. Esimerkiksi pidempi k\u00e4ytt\u00f6ik\u00e4, ei vaadi huoltoa, se on eritt\u00e4in turvallinen, kevyt sek\u00e4 parantaa purkaus- ja lataustehokkuutta.<\/p>\n\n\n\n<p>Miten rakentaa lifepo4-akkupaketti?<\/p>\n\n\n\n<p>Ydinongelma ratkeaa kokoamalla <a href=\"https:\/\/www.ahotech.com\/fi\/tuote\/lifepo4-akku-12v\/\">12 V:n lifepo4-akku<\/a> Pakkaus on litiumkennon sakeus, eli mit\u00e4 pienempi on kunkin kennon paine-, kapasiteetti- ja sis\u00e4inen vastusero, sit\u00e4 parempi, joten koottu 12 V:n lifepo4-akkupakkaus voi olla paras vaikutus k\u00e4ytt\u00f6tehokkuuteen ja k\u00e4ytt\u00f6ik\u00e4\u00e4n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-medium\"><img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"194\" src=\"https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/02\/rechargeable-lithium-aa-batteries-300x194.png\" alt=\"ladattavat litium-aa-akut\" class=\"wp-image-4223\" srcset=\"https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/02\/rechargeable-lithium-aa-batteries-300x194.png 300w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/02\/rechargeable-lithium-aa-batteries-768x498.png 768w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/02\/rechargeable-lithium-aa-batteries-600x389.png 600w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/02\/rechargeable-lithium-aa-batteries.png 974w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n\n\n<p>Litiumrautafosfaattiakkumateriaalista valmistettu litiumioniakku, jonka nimellisj\u00e4nnite tunnetaan yleisesti 12,8 V:na, jotkut akkuteknikot kutsuvat sit\u00e4 12,8 V:n litiumioniakuksi, tietenkin litiumrautafosfaatiksi. <a href=\"https:\/\/www.ahotech.com\/fi\/tuote\/lifepo4-akku-12v\/\">12 V:n litiumioniakku <\/a>R\u00e4\u00e4t\u00e4l\u00f6intitekniikan vaatimukset ovat tiukemmat, se k\u00e4ytt\u00e4\u00e4 4-merkkist\u00e4 akkurakennetta, voi 26650 litiumioniakkua tai 18650 litiumioniakkua PACK-r\u00e4\u00e4t\u00e4l\u00f6id\u00e4 4-sarjan teknologian PACK-k\u00e4sittelykokoonpanon avulla ja sitten tehd\u00e4 litiumrautafosfaatti 12V lifepo4 -akkuihin r\u00e4\u00e4t\u00e4l\u00f6ityj\u00e4 tuotteita.<\/p>\n\n\n\n<p>Miten ladata lifepo4-akkupaketti?<\/p>\n\n\n\n<p>Litiumrautafosfaattiakuille suositellaan CCCV-latausmenetelm\u00e4\u00e4, eli vakiovirtaa ja -j\u00e4nnitett\u00e4. Vakiovirraksi suositellaan 0,3 C. Kun akun j\u00e4nnite saavuttaa 3,65 V, k\u00e4yt\u00e4 lataamiseen 3,65 V:n vakioj\u00e4nnitett\u00e4. Kun latausvirta on alle 0,1 C (tai 0,05 C), lopeta lataus, eli akku on latautunut t\u00e4yteen. Ei ole suositeltavaa ladata liian korkealla j\u00e4nnitteell\u00e4. J\u00e4nnitteen s\u00e4\u00e4d\u00f6n j\u00e4lkeen varmista, ett\u00e4 latausvirta on alle 0,5 C, mik\u00e4 on hyv\u00e4 akulle.<\/p>\n\n\n\n<p>Yleens\u00e4 litiumrautafosfaattiakun ylin latausj\u00e4nnite on 3,7\u20134 V ja alempi purkausj\u00e4nnite 2\u20132,5 V. Ottaen huomioon purkauskapasiteetin, purkauksen keskij\u00e4nnitteen, latausajan, vakiovirran kapasiteetin prosenttiosuuden ja turvallisuuden, k\u00e4ytet\u00e4\u00e4n vakiovirran ja vakioj\u00e4nnitteen latausj\u00e4rjestelm\u00e4\u00e4. Litiumrautafosfaattiakun latausj\u00e4nnitteen raja on 3,55\u20133,70 V. Suositeltu arvo on 3,60 V\u20133,65 V. Alempi purkausj\u00e4nnite on 2,2 V\u20132,5 V.<\/p>\n\n\n\n<p>Litium-rautafosfaattiakkujen laturi eroaa tavallisten litium-akkujen laturista. Litium-akun suurin irrotusj\u00e4nnite on 4,2 volttia; litium-rautafosfaattiakkujen laturi on 3,65 volttia. Kun litium-rautafosfaattiakkuja ladataan, ne on kytketty tasapainotuslatauslevyyn linjassa. Yleens\u00e4 ne ladataan sarjaan suoraan molemmista p\u00e4ist\u00e4. Laturin j\u00e4nnite on suurempi kuin akun j\u00e4nnite. Kunkin yksitt\u00e4isen kennon j\u00e4nnite mitataan rivill\u00e4, mik\u00e4 vastaa rinnakkaisia s\u00e4\u00e4t\u00f6putkia. Yksitt\u00e4isen kennon latausj\u00e4nnite ei ylit\u00e4 s\u00e4\u00e4t\u00f6j\u00e4nnitett\u00e4, kun taas muiden yksitt\u00e4isten kennojen lataus jatkuu s\u00e4\u00e4t\u00f6putken kautta ohitusjohdolla.<\/p>\n\n\n\n<figure class=\"wp-block-image size-medium\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/01\/AGV-battery-300x300.jpg\" alt=\"AGV akku\" class=\"wp-image-4186\" srcset=\"https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/01\/AGV-battery-300x300.jpg 300w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/01\/AGV-battery-150x150.jpg 150w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/01\/AGV-battery-768x768.jpg 768w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/01\/AGV-battery-600x600.jpg 600w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/01\/AGV-battery-100x100.jpg 100w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/01\/AGV-battery.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n\n\n<p>Miten testata lifepo4-akkua?<\/p>\n\n\n\n<figure class=\"wp-block-image size-medium\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.ahotech.com\/wp-content\/uploads\/2021\/12\/Lithium-iron-phosphate-battery\uff081\uff09-300x300.jpg\" alt=\"Litiumrautafosfaattiparisto (1)\" class=\"wp-image-4156\" srcset=\"https:\/\/www.ahotech.com\/wp-content\/uploads\/2021\/12\/Lithium-iron-phosphate-battery\uff081\uff09-300x300.jpg 300w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2021\/12\/Lithium-iron-phosphate-battery\uff081\uff09-150x150.jpg 150w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2021\/12\/Lithium-iron-phosphate-battery\uff081\uff09-768x768.jpg 768w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2021\/12\/Lithium-iron-phosphate-battery\uff081\uff09-600x600.jpg 600w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2021\/12\/Lithium-iron-phosphate-battery\uff081\uff09-100x100.jpg 100w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2021\/12\/Lithium-iron-phosphate-battery\uff081\uff09.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n\n\n<p>Akun lataus<br>20 \u2103:n ja 5 \u2103:n l\u00e4mp\u00f6tiloissa akkua puretaan 1I3(A) virralla, kunnes akun j\u00e4nnite saavuttaa V:n, ja annetaan olla 1 tunti, mink\u00e4 j\u00e4lkeen se ladataan 1I3(A) vakiovirralla 20 \u2103 \u00b1 5 \u2103:n l\u00e4mp\u00f6tilassa. Kun akun j\u00e4nnite saavuttaa vakioj\u00e4nnitteen, akkua ladataan, kunnes latausvirta laskee, latauksen lopettamiseksi. Latauksen j\u00e4lkeen annetaan LH:n seist\u00e4.<br>20 \u2103 purkauskapasiteetti<br>A) Akku ladataan menetelm\u00e4n mukaisesti.<br>B) Akku purkautuu 1I3 (A) virralla 20 \u00b0C:ssa ja 5 \u00b0C:ssa, kunnes purkaus katkaisee j\u00e4nnitteen.<br>C) Kapasiteetin (metrein\u00e4) laskemiseen k\u00e4ytet\u00e4\u00e4n 1I3(A):n virta-arvoa ja purkausaikaa.<br>D) Jos laskettu arvo on ilmoitettua arvoa pienempi, vaiheita A) yksi C) voidaan toistaa, kunnes se on suurempi tai yht\u00e4 suuri kuin ilmoitettu arvo, ja toistumiskertoja sallitaan viisi.<br>-20 \u2103 purkauskapasiteetti<br>A) Akku ladataan menetelm\u00e4n mukaisesti.<br>B) Akkua s\u00e4ilytet\u00e4\u00e4n -20 \u2103:ssa ja 2 \u2103:ssa 20 tuntia.<br>C) Akku purkautuu 1I3 (A) virralla -20 \u2103:n l\u00e4mp\u00f6tilassa ja 2 \u2103:n l\u00e4mp\u00f6tilassa, kunnes purkaus katkaisee j\u00e4nnitteen.<br>D) K\u00e4yt\u00e4 c) virta-arvoa ja purkausaikaa laskeaksesi kapasiteetin (mitattu) ja ilmaise se prosentteina purkauskapasiteetista 20 \u2103:n l\u00e4mp\u00f6tilassa.<br>-40 \u2103 purkauskapasiteetti<br>A) Akku ladataan menetelm\u00e4n mukaisesti.<br>B) Akkua s\u00e4ilytet\u00e4\u00e4n -40 \u2103:n l\u00e4mp\u00f6tilassa ja 2 \u2103:n l\u00e4mp\u00f6tilassa 20 tuntia.<br>C) Akku purkautuu 1I3 (A) virralla -40 \u2103:n l\u00e4mp\u00f6tilassa ja 2 \u2103:n l\u00e4mp\u00f6tilassa, kunnes purkaus katkaisee j\u00e4nnitteen.<br>D) K\u00e4yt\u00e4 c) virta-arvoa ja purkausaikaa laskeaksesi kapasiteetin (mitattu) ja ilmaise se prosentteina purkauskapasiteetista 20 \u2103:n l\u00e4mp\u00f6tilassa.<br>Syklin el\u00e4m\u00e4<br>A) Lataa sitten 9I3 (a) -virtaa k\u00e4ytt\u00e4en vakiovirralla 20 \u2103 \u00b1 5 \u2103:n l\u00e4mp\u00f6tilassa, kunnes akun j\u00e4nnite saavuttaa vakioj\u00e4nnitteen, ja lataus pys\u00e4htyy, kun latausvirta laskee arvoon . Latauksen j\u00e4lkeen anna LH:n seist\u00e4.<br>B) Akkua puretaan 913 A:n virralla 20 \u2103:n l\u00e4mp\u00f6tilassa ja 2 \u2103:n l\u00e4mp\u00f6tilassa, ja sen annetaan sitten seist\u00e4 15 minuuttia.<br>C) Akku ladataan kohdan A) mukaisesti.<br>D) Toista vaiheet b) ac) useita kertoja.<br>E) Tarkista kapasiteetti menetelm\u00e4n mukaisesti. Jos akun kapasiteetti on alle 92% nimelliskapasiteetista, lopeta testi.<br>F) b) e) Se, kuinka monta kertaa vaihe toistetaan tietyiss\u00e4 olosuhteissa, on syklien el\u00e4mien lukum\u00e4\u00e4r\u00e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>what is lifepo4 battery? The lifepo4 battery or LFP battery, is a type of lifepo4 battery using lithium iron phosphate as the cathode material, and a graphitic carbon electrode with a metallic backing as the anode. lifepo4 battery offer lots of benefits compared to lead-acid batteries and other lithium batteries. For example, Longer life span, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4025","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to test lifepo4 battery - Ahotech.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ahotech.com\/fi\/2021\/12\/kuinka-testata-lifepo4-akkua\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to test lifepo4 battery - Ahotech.com\" \/>\n<meta property=\"og:description\" content=\"what is lifepo4 battery? The lifepo4 battery or LFP battery, is a type of lifepo4 battery using lithium iron phosphate as the cathode material, and a graphitic carbon electrode with a metallic backing as the anode. lifepo4 battery offer lots of benefits compared to lead-acid batteries and other lithium batteries. 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The lifepo4 battery or LFP battery, is a type of lifepo4 battery using lithium iron phosphate as the cathode material, and a graphitic carbon electrode with a metallic backing as the anode. lifepo4 battery offer lots of benefits compared to lead-acid batteries and other lithium batteries. For example, Longer life span, [&hellip;]","og_url":"https:\/\/www.ahotech.com\/fi\/2021\/12\/kuinka-testata-lifepo4-akkua\/","og_site_name":"Ahotech.com","article_published_time":"2021-12-10T12:20:15+00:00","article_modified_time":"2022-02-22T04:17:42+00:00","og_image":[{"url":"https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/02\/rechargeable-lithium-aa-batteries-300x194.png","type":"","width":"","height":""}],"author":"Louis Ellis","twitter_card":"summary_large_image","twitter_misc":{"Kirjoittanut":"Louis Ellis","Arvioitu lukuaika":"5 minuuttia"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.ahotech.com\/fi\/2021\/12\/kuinka-testata-lifepo4-akkua\/#article","isPartOf":{"@id":"https:\/\/www.ahotech.com\/fi\/2021\/12\/kuinka-testata-lifepo4-akkua\/"},"author":{"name":"Louis Ellis","@id":"https:\/\/www.ahotech.com\/es\/#\/schema\/person\/3958f5a43b93565fc68c6fecec0ab3dc"},"headline":"How to test lifepo4 battery","datePublished":"2021-12-10T12:20:15+00:00","dateModified":"2022-02-22T04:17:42+00:00","mainEntityOfPage":{"@id":"https:\/\/www.ahotech.com\/fi\/2021\/12\/kuinka-testata-lifepo4-akkua\/"},"wordCount":891,"publisher":{"@id":"https:\/\/www.ahotech.com\/es\/#organization"},"image":{"@id":"https:\/\/www.ahotech.com\/fi\/2021\/12\/kuinka-testata-lifepo4-akkua\/#primaryimage"},"thumbnailUrl":"https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/02\/rechargeable-lithium-aa-batteries-300x194.png","articleSection":["Uncategorized"],"inLanguage":"fi"},{"@type":"WebPage","@id":"https:\/\/www.ahotech.com\/fi\/2021\/12\/kuinka-testata-lifepo4-akkua\/","url":"https:\/\/www.ahotech.com\/fi\/2021\/12\/kuinka-testata-lifepo4-akkua\/","name":"Kuinka testata lifepo4-akkua - 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