{"id":43381,"date":"2026-09-12T16:05:38","date_gmt":"2026-09-12T14:05:38","guid":{"rendered":"https:\/\/fvcomponentes.com\/herramientas\/"},"modified":"2026-09-12T16:05:38","modified_gmt":"2026-09-12T14:05:38","slug":"tools","status":"publish","type":"page","link":"https:\/\/fvcomponentes.com\/en\/herramientas\/","title":{"rendered":"Solar tools and calculators"},"content":{"rendered":"<style>.fvh{max-width:1100px;margin:0 auto}.fvh h2{color:#0A4C7A;font-size:24px;margin:32px 0 14px;padding-bottom:8px;position:relative}.fvh h2::after{content:\"\";position:absolute;left:0;bottom:0;width:46px;height:3px;background:#EF6B16}.fvh .g{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.fvh .c{display:block;background:#fff;border:1px solid #E3E9EF;border-radius:16px;padding:20px;text-decoration:none;box-shadow:0 1px 3px rgba(10,76,122,.06);color:#1F2937}.fvh .c:hover{border-color:#EF6B16}.fvh .c strong{display:block;color:#0A4C7A;font-size:17px;margin-bottom:6px}.fvh .c span{font-size:14px;color:#4B5563}.fvh .l{display:flex;flex-wrap:wrap;gap:8px;padding:0;list-style:none}.fvh .l a{display:inline-block;background:#F5F8FB;border:1px solid #E3E9EF;border-radius:999px;padding:7px 14px;font-size:14px;color:#0A4C7A;text-decoration:none}.fvh .l a:hover{border-color:#EF6B16;color:#EF6B16}<\/style><div class=\"fvh\"><p>Free calculators to help you size your solar installation and technical guides from our support team, who are specialists in Fronius and Victron Energy. All the tools work in your browser, with no registration required.<\/p><h2>Calculators<\/h2><div class=\"g\"><a class=\"c\" href=\"https:\/\/fvcomponentes.com\/en\/solar-panel-calculator\/\"><strong>Solar panel calculator<\/strong><span>How many panels and what power output does your home need, depending on energy consumption, location, orientation and shading?.<\/span><\/a><a class=\"c\" href=\"https:\/\/fvcomponentes.com\/en\/solar-battery-calculator\/\"><strong>Solar Battery Calculator<\/strong><span>Rated and usable capacity, Ah, and number of modules: Pylontech, Pytes, ZYC or Victron.<\/span><\/a><a class=\"c\" href=\"https:\/\/fvcomponentes.com\/en\/serial-to-parallel-panel-calculator\/\"><strong>Panels in series and parallel (MPPT validation)<\/strong><span>Check the cold Voc, hot Vmp and current against the limits for your Fronius or SmartSolar.<\/span><\/a><a class=\"c\" href=\"https:\/\/fvcomponentes.com\/en\/cable-section-calculator\/\"><strong>Cable cross-section calculator<\/strong><span>DC and AC cable cross-section based on voltage drop, using the Victron rule for battery cables and the recommended fuse.<\/span><\/a><a class=\"c\" href=\"https:\/\/fvcomponentes.com\/en\/mppt-calculator-mppt-calculator\/\"><strong>Victron MPPT Calculator<\/strong><span>Choose the right SmartSolar regulator for your panels and your battery bank.<\/span><\/a><\/div><h2>Fronius technical guides and Victron<\/h2><ul class=\"l\"><a href=\"https:\/\/fvcomponentes.com\/en\/status-codes-fronius-a-comprehensive-guide\/\">Fronius status codes<\/a><a href=\"https:\/\/fvcomponentes.com\/en\/the-fronius-inverter-isnt-working-what-should-i-check\/\">My Fronius isn\u2019t working<\/a><a href=\"https:\/\/fvcomponentes.com\/en\/fronius-smart-meter-limit-feed-in-to-the-grid-to-0\/\">Smart Meter and feed-in 0<\/a><a href=\"https:\/\/fvcomponentes.com\/en\/fronius-solar-web-no-connection-datamanager-gen24\/\">Solar.web offline<\/a><a href=\"https:\/\/fvcomponentes.com\/en\/fronius-gen24-pv-point-full-backup-power-cut\/\">GEN24 Plus: PV Point and Full Backup<\/a><a href=\"https:\/\/fvcomponentes.com\/en\/update-the-fronius-inverter-firmware\/\">Update Fronius firmware<\/a><a href=\"https:\/\/fvcomponentes.com\/en\/errors-on-the-victron-multiplus-quattro-bus\/\">VE.Bus Victron errors<\/a><a href=\"https:\/\/fvcomponentes.com\/en\/step-by-step-guide-to-configuring-victron-ess\/\">Configure Victron ESS<\/a><a href=\"https:\/\/fvcomponentes.com\/en\/victron-dvcc-what-it-is-and-how-to-set-it-up\/\">DVCC<\/a><a href=\"https:\/\/fvcomponentes.com\/en\/automatic-start-up-for-victron-cerbo-gx-generator\/\">Generator start-up with Cerbo GX<\/a><a href=\"https:\/\/fvcomponentes.com\/en\/ac-coupling-fronius-victron-multiplus-ii-add-a-battery\/\">Fronius AC coupling + Victron<\/a><\/ul><h2>Further help<\/h2><ul class=\"l\"><a href=\"https:\/\/fvcomponentes.com\/en\/faq-frequently-asked-questions\/\">Frequently asked questions<\/a><a href=\"https:\/\/fvcomponentes.com\/en\/victron-support\/\">Victron Resource Centre<\/a><a href=\"https:\/\/fvcomponentes.com\/en\/blog\/\">Blog<\/a><a href=\"https:\/\/fvcomponentes.com\/en\/technical-support\/\">Technical support<\/a><a href=\"https:\/\/fvcomponentes.com\/en\/request-a-quote\/\">Ask for advice<\/a><\/ul><\/div>","protected":false},"excerpt":{"rendered":"<p>Free calculators for solar panels, batteries, strings\/MPPT and cable cross-sections, and technical guides from Fronius and Victron.<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"","ast-disable-related-posts":"","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":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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