\u0e04\u0e33\u0e19\u0e27\u0e13\u0e02\u0e19\u0e32\u0e14\u0e2a\u0e32\u0e22\u0e41\u0e1a\u0e15\u0e40\u0e15\u0e2d\u0e23\u0e35\u0e48 Solar Cell – BatDD Style<\/title>\n <style>\n body {\n font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif, Arial, sans-serif;\n background-color: #f0f2f5; \n margin: 0;\n padding: 40px 20px;\n color: #333;\n }\n .container {\n max-width: 650px;\n margin: 0 auto;\n background: #ffffff;\n padding: 30px;\n border-radius: 8px;\n box-shadow: 0 2px 10px rgba(0,0,0,0.08);\n }\n \/* \u0e2a\u0e44\u0e15\u0e25\u0e4c\u0e42\u0e0b\u0e19\u0e25\u0e34\u0e07\u0e01\u0e4c\u0e23\u0e49\u0e32\u0e19\u0e04\u0e49\u0e32\u0e14\u0e49\u0e32\u0e19\u0e1a\u0e19 *\/\n .shop-links-container {\n display: flex;\n flex-wrap: wrap;\n justify-content: center;\n gap: 10px;\n margin-bottom: 25px;\n padding-bottom: 15px;\n border-bottom: 1px dashed #e2e8f0;\n }\n .shop-link {\n font-size: 13px;\n font-weight: 600;\n text-decoration: none;\n padding: 6px 12px;\n border-radius: 20px;\n transition: all 0.2s;\n display: inline-flex;\n align-items: center;\n }\n .link-main { background-color: #e3f2fd; color: #0d47a1; border: 1px solid #bbdefb; }\n .link-main:hover { background-color: #0d47a1; color: white; }\n .link-shopee { background-color: #fff3e0; color: #e65100; border: 1px solid #ffe0b2; }\n .link-shopee:hover { background-color: #e65100; color: white; }\n .link-lazada { background-color: #f3e5f5; color: #4a148c; border: 1px solid #e1bee7; }\n .link-lazada:hover { background-color: #4a148c; color: white; }\n .link-tiktok { background-color: #eceff1; color: #212121; border: 1px solid #cfd8dc; }\n .link-tiktok:hover { background-color: #212121; color: white; }\n\n h2 {\n text-align: center;\n color: #1a1a1a;\n margin-top: 0;\n margin-bottom: 30px;\n font-size: 24px;\n border-bottom: 2px solid #3182ce;\n padding-bottom: 15px;\n }\n .form-group {\n margin-bottom: 22px;\n }\n .form-label {\n display: flex;\n align-items: center;\n margin-bottom: 10px;\n font-weight: 600;\n color: #2d3748;\n font-size: 16px;\n }\n .step-num {\n display: inline-flex;\n align-items: center;\n justify-content: center;\n width: 24px;\n height: 24px;\n background-color: #3182ce;\n color: #fff;\n border-radius: 50%;\n font-size: 13px;\n margin-right: 10px;\n font-weight: bold;\n }\n select, input {\n width: 100%;\n padding: 12px 15px;\n border: 1px solid #ccd0d5;\n border-radius: 4px;\n box-sizing: border-box;\n font-size: 16px;\n background-color: #fff;\n transition: border-color 0.2s;\n }\n select:focus, input:focus {\n outline: none;\n border-color: #3182ce;\n box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);\n }\n button {\n width: 100%;\n background-color: #3182ce;\n color: white;\n padding: 14px;\n border: none;\n border-radius: 4px;\n font-size: 18px;\n font-weight: bold;\n cursor: pointer;\n transition: background 0.2s;\n margin-top: 15px;\n box-shadow: 0 2px 4px rgba(49, 130, 206, 0.2);\n }\n button:hover {\n background-color: #2b6cb0;\n }\n .result-box {\n margin-top: 30px;\n padding: 25px;\n background-color: #f8fafc;\n border: 1px solid #e2e8f0;\n border-radius: 6px;\n display: none;\n }\n .result-title {\n font-size: 18px;\n font-weight: bold;\n color: #2d3748;\n margin-bottom: 18px;\n border-left: 4px solid #3182ce;\n padding-left: 10px;\n }\n .result-row {\n display: flex;\n justify-content: space-between;\n align-items: center;\n padding: 12px 0;\n border-bottom: 1px dashed #e2e8f0;\n }\n .result-row:last-of-type {\n border-bottom: none;\n }\n .result-label {\n font-size: 15px;\n color: #4a5568;\n }\n .result-value {\n font-weight: bold;\n font-size: 18px;\n color: #1a202c;\n }\n .highlight-blue {\n color: #2b6cb0;\n font-size: 20px;\n }\n .highlight-red {\n color: #e53e3e;\n font-size: 20px;\n }\n .highlight-green {\n color: #2f855a;\n }\n .note-text {\n font-size: 13px;\n color: #718096;\n margin-top: 15px;\n line-height: 1.5;\n background: #fff;\n padding: 12px;\n border-radius: 4px;\n border: 1px solid #e2e8f0;\n }\n <\/style>\n<\/head>\n<body>\n\n<div class=\"container\">\n \n <div class=\"shop-links-container\">\n <a href=\"https:\/\/www.batdd.com\/shop\" target=\"_blank\" class=\"shop-link link-main\">\ud83c\udf10 \u0e23\u0e49\u0e32\u0e19\u0e2b\u0e25\u0e31\u0e01 (\u0e25\u0e14 20%)<\/a>\n <a href=\"https:\/\/s.shopee.co.th\/gA5HYw3pg\" target=\"_blank\" class=\"shop-link link-shopee\">\ud83e\udde1 Shopee<\/a>\n <a href=\"https:\/\/www.lazada.co.th\/shop\/batdd-com\" target=\"_blank\" class=\"shop-link link-lazada\">\ud83d\udc99 Lazada<\/a>\n <a href=\"https:\/\/vt.tiktok.com\/ZSQKv93hN\/?page=TikTokShop\" target=\"_blank\" class=\"shop-link link-tiktok\">\ud83d\udda4 TikTok Shop<\/a>\n <\/div>\n\n <h2>\ud83d\udd0b \u0e40\u0e04\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e04\u0e33\u0e19\u0e27\u0e13\u0e2a\u0e32\u0e22\u0e41\u0e1a\u0e15\u0e40\u0e15\u0e2d\u0e23\u0e35\u0e48 Solar Cell<\/h2>\n \n <div class=\"form-group\">\n <div class=\"form-label\"><span class=\"step-num\">1<\/span> \u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e23\u0e30\u0e1a\u0e1a\u0e41\u0e1a\u0e15\u0e40\u0e15\u0e2d\u0e23\u0e35\u0e48 (V)<\/div>\n <select id=\"system_voltage\">\n <option value=\"12\">12V<\/option>\n <option value=\"24\">24V<\/option>\n <option value=\"48\" selected>48V<\/option>\n <\/select>\n <\/div>\n\n <div class=\"form-group\">\n <div class=\"form-label\"><span class=\"step-num\">2<\/span> \u0e02\u0e19\u0e32\u0e14\u0e27\u0e31\u0e15\u0e15\u0e4c\u0e15\u0e48\u0e2d\u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07 \u0e2b\u0e23\u0e37\u0e2d\u0e02\u0e19\u0e32\u0e14\u0e2d\u0e34\u0e19\u0e40\u0e27\u0e2d\u0e23\u0e4c\u0e40\u0e15\u0e2d\u0e23\u0e4c (W)<\/div>\n <input type=\"number\" id=\"power_watts\" value=\"3000\" min=\"100\" max=\"20000\" placeholder=\"\u0e40\u0e0a\u0e48\u0e19 3000 \u0e2b\u0e23\u0e37\u0e2d 5000\">\n <\/div>\n\n <div class=\"form-group\">\n <div class=\"form-label\"><span class=\"step-num\">3<\/span> \u0e04\u0e27\u0e32\u0e21\u0e22\u0e32\u0e27\u0e2a\u0e32\u0e22\u0e41\u0e1a\u0e15\u0e40\u0e15\u0e2d\u0e23\u0e35\u0e48 \u0e40\u0e17\u0e35\u0e48\u0e22\u0e27\u0e40\u0e14\u0e35\u0e22\u0e27 (\u0e40\u0e21\u0e15\u0e23)<\/div>\n <input type=\"number\" id=\"cable_length\" value=\"2\" min=\"0.5\" max=\"20\" step=\"0.5\">\n <\/div>\n\n <button onclick=\"calculateBatteryCable()\">\u0e04\u0e33\u0e19\u0e27\u0e13\u0e1c\u0e25\u0e25\u0e31\u0e1e\u0e18\u0e4c<\/button>\n\n <div id=\"result\" class=\"result-box\">\n <div class=\"result-title\">\ud83c\udfaf \u0e1c\u0e25\u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13\u0e41\u0e25\u0e30\u0e04\u0e33\u0e41\u0e19\u0e30\u0e19\u0e33\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e23\u0e30\u0e1a\u0e1a\u0e02\u0e2d\u0e07\u0e04\u0e38\u0e13<\/div>\n \n <div class=\"result-row\">\n <span class=\"result-label\">\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e2a\u0e39\u0e07\u0e2a\u0e38\u0e14\u0e43\u0e19\u0e2a\u0e32\u0e22 (Current):<\/span>\n <span class=\"result-value\"><span id=\"res_amps\">–<\/span> A<\/span>\n <\/div>\n \n <div class=\"result-row\">\n <span class=\"result-label\">\u0e02\u0e19\u0e32\u0e14\u0e2a\u0e32\u0e22\u0e41\u0e19\u0e30\u0e19\u0e33 \u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19\u0e44\u0e17\u0e22 (THW \/ \u0e2a\u0e32\u0e22\u0e2d\u0e48\u0e2d\u0e19):<\/span>\n <span class=\"result-value highlight-blue\"><span id=\"res_cable\">–<\/span> mm\u00b2<\/span>\n <\/div>\n \n <div class=\"result-row\">\n <span class=\"result-label\">\u0e02\u0e19\u0e32\u0e14\u0e2a\u0e32\u0e22\u0e41\u0e19\u0e30\u0e19\u0e33 \u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19\u0e2d\u0e40\u0e21\u0e23\u0e34\u0e01\u0e31\u0e19 (AWG \/ \u0e0b\u0e34\u0e25\u0e34\u0e42\u0e04\u0e19):<\/span>\n <span class=\"result-value highlight-red\"><span id=\"res_awg\">–<\/span> AWG<\/span>\n <\/div>\n \n <div class=\"result-row\">\n <span class=\"result-label\">\u0e02\u0e19\u0e32\u0e14\u0e23\u0e30\u0e1a\u0e1a\u0e2d\u0e34\u0e19\u0e40\u0e27\u0e2d\u0e23\u0e4c\u0e40\u0e15\u0e2d\u0e23\u0e4c\u0e17\u0e35\u0e48\u0e04\u0e33\u0e19\u0e27\u0e13:<\/span>\n <span class=\"result-value highlight-green\"><span id=\"res_sys_size\">–<\/span> kW<\/span>\n <\/div>\n \n <div class=\"note-text\">\n <strong>* \u0e02\u0e49\u0e2d\u0e41\u0e19\u0e30\u0e19\u0e33\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e40\u0e15\u0e34\u0e21\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22:<\/strong><br>\n \u0e23\u0e30\u0e1a\u0e1a\u0e04\u0e33\u0e19\u0e27\u0e13\u0e40\u0e1c\u0e37\u0e48\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22 (Safety Factor) \u0e44\u0e27\u0e49\u0e17\u0e35\u0e48 125% \u0e41\u0e25\u0e30\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e15\u0e01\u0e43\u0e19\u0e2a\u0e32\u0e22 (Voltage Drop) \u0e44\u0e21\u0e48\u0e43\u0e2b\u0e49\u0e40\u0e01\u0e34\u0e19 2% \u0e41\u0e25\u0e49\u0e27 \u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e2a\u0e39\u0e07\u0e2a\u0e38\u0e14 \u0e04\u0e27\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e43\u0e0a\u0e49\u0e2a\u0e32\u0e22\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17 <strong>“\u0e17\u0e2d\u0e07\u0e41\u0e14\u0e07\u0e1d\u0e2d\u0e22\u0e2d\u0e48\u0e2d\u0e19”<\/strong> (\u0e40\u0e0a\u0e48\u0e19 \u0e2a\u0e32\u0e22 THW(f) \u0e2b\u0e23\u0e37\u0e2d\u0e2a\u0e32\u0e22 AWG \u0e0b\u0e34\u0e25\u0e34\u0e42\u0e04\u0e19\u0e40\u0e01\u0e23\u0e14\u0e2a\u0e39\u0e07\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e07\u0e32\u0e19\u0e41\u0e1a\u0e15\u0e40\u0e15\u0e2d\u0e23\u0e35\u0e48\u0e42\u0e14\u0e22\u0e40\u0e09\u0e1e\u0e32\u0e30) \u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19\u0e2a\u0e30\u0e2a\u0e21\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e2a\u0e39\u0e0d\u0e40\u0e2a\u0e35\u0e22\u0e1e\u0e25\u0e31\u0e07\u0e07\u0e32\u0e19\u0e43\u0e19\u0e23\u0e30\u0e1a\u0e1a\n <\/div>\n <\/div>\n<\/div>\n\n<script>\n function calculateBatteryCable() {\n const V = parseFloat(document.getElementById('system_voltage').value);\n const P = parseFloat(document.getElementById('power_watts').value);\n const L = parseFloat(document.getElementById('cable_length').value);\n\n if (isNaN(P) || P <= 0 || isNaN(L) || L <= 0) {\n alert('\u0e01\u0e23\u0e38\u0e13\u0e32\u0e01\u0e23\u0e2d\u0e01\u0e02\u0e49\u0e2d\u0e21\u0e39\u0e25\u0e15\u0e31\u0e27\u0e40\u0e25\u0e02\u0e43\u0e2b\u0e49\u0e16\u0e39\u0e01\u0e15\u0e49\u0e2d\u0e07\u0e41\u0e25\u0e30\u0e04\u0e23\u0e1a\u0e16\u0e49\u0e27\u0e19');\n return;\n }\n\n let I_continuous = P \/ V;\n let I_design = I_continuous * 1.25;\n\n const cableSpecs = [\n { size: 4, awg: \"12\", amp: 35, r: 4.95 },\n { size: 6, awg: \"10\", amp: 45, r: 3.30 },\n { size: 10, awg: \"7-8\", amp: 65, r: 1.83 },\n { size: 16, awg: \"6\", amp: 90, r: 1.15 },\n { size: 25, awg: \"4\", amp: 120, r: 0.727 },\n { size: 35, awg: \"2\", amp: 150, r: 0.524 },\n { size: 50, awg: \"1\/0\", amp: 195, r: 0.387 },\n { size: 70, awg: \"2\/0\", amp: 245, r: 0.268 },\n { size: 95, awg: \"3\/0\", amp: 300, r: 0.193 },\n { size: 120, awg: \"4\/0\", amp: 350, r: 0.153 }\n ];\n\n let matchedIndex = cableSpecs.length - 1;\n for (let i = 0; i < cableSpecs.length; i++) {\n if (I_design <= cableSpecs[i].amp) {\n matchedIndex = i;\n break;\n }\n }\n\n let max_vd = V * 0.02; \n let finalIndex = matchedIndex;\n\n for (let i = matchedIndex; i < cableSpecs.length; i++) {\n let R = cableSpecs[i].r;\n let vd = (2 * L * I_continuous * R) \/ 1000;\n \n if (vd <= max_vd) {\n finalIndex = i;\n break;\n }\n if (i === cableSpecs.length - 1) {\n finalIndex = i;\n }\n }\n\n let recommendedCable = cableSpecs[finalIndex];\n let systemKw = (P \/ 1000).toFixed(1);\n\n document.getElementById('res_amps').innerText = I_continuous.toFixed(2);\n document.getElementById('res_cable').innerText = recommendedCable.size;\n document.getElementById('res_awg').innerText = recommendedCable.awg;\n document.getElementById('res_sys_size').innerText = systemKw;\n\n document.getElementById('result').style.display = 'block';\n }\n<\/script>\n\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"<p>\u0e04\u0e33\u0e19\u0e27\u0e13\u0e02\u0e19\u0e32\u0e14\u0e2a\u0e32\u0e22\u0e41\u0e1a\u0e15\u0e40\u0e15\u0e2d\u0e23\u0e35 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pagelayer_contact_templates":[],"_pagelayer_content":"","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-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":"","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-4)","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-4)","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-4)","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-690","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/batdd.com\/shop\/wp-json\/wp\/v2\/posts\/690","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/batdd.com\/shop\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/batdd.com\/shop\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/batdd.com\/shop\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/batdd.com\/shop\/wp-json\/wp\/v2\/comments?post=690"}],"version-history":[{"count":2,"href":"https:\/\/batdd.com\/shop\/wp-json\/wp\/v2\/posts\/690\/revisions"}],"predecessor-version":[{"id":693,"href":"https:\/\/batdd.com\/shop\/wp-json\/wp\/v2\/posts\/690\/revisions\/693"}],"wp:attachment":[{"href":"https:\/\/batdd.com\/shop\/wp-json\/wp\/v2\/media?parent=690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/batdd.com\/shop\/wp-json\/wp\/v2\/categories?post=690"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/batdd.com\/shop\/wp-json\/wp\/v2\/tags?post=690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":690,"date":"2026-06-25T14:56:35","date_gmt":"2026-06-25T14:56:35","guid":{"rendered":"https:\/\/batdd.com\/shop\/?p=690"},"modified":"2026-06-25T15:39:56","modified_gmt":"2026-06-25T15:39:56","slug":"batterycablecal","status":"publish","type":"post","link":"https:\/\/batdd.com\/shop\/2026\/06\/25\/batterycablecal\/","title":{"rendered":"\u0e04\u0e33\u0e19\u0e27\u0e13\u0e02\u0e19\u0e32\u0e14\u0e2a\u0e32\u0e22\u0e41\u0e1a\u0e15\u0e40\u0e15\u0e2d\u0e23\u0e35\u0e48"},"content":{"rendered":"\n\n\n\n \n \n \u0e04\u0e33\u0e19\u0e27\u0e13\u0e02\u0e19\u0e32\u0e14\u0e2a\u0e32\u0e22\u0e41\u0e1a\u0e15\u0e40\u0e15\u0e2d\u0e23\u0e35\u0e48 Solar Cell – BatDD Style<\/title>\n <style>\n body {\n font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif, Arial, sans-serif;\n background-color: #f0f2f5; \n margin: 0;\n padding: 40px 20px;\n color: #333;\n }\n .container {\n max-width: 650px;\n margin: 0 auto;\n background: #ffffff;\n padding: 30px;\n border-radius: 8px;\n box-shadow: 0 2px 10px rgba(0,0,0,0.08);\n }\n \/* \u0e2a\u0e44\u0e15\u0e25\u0e4c\u0e42\u0e0b\u0e19\u0e25\u0e34\u0e07\u0e01\u0e4c\u0e23\u0e49\u0e32\u0e19\u0e04\u0e49\u0e32\u0e14\u0e49\u0e32\u0e19\u0e1a\u0e19 *\/\n .shop-links-container {\n display: flex;\n flex-wrap: wrap;\n justify-content: center;\n gap: 10px;\n margin-bottom: 25px;\n padding-bottom: 15px;\n border-bottom: 1px dashed #e2e8f0;\n }\n .shop-link {\n font-size: 13px;\n font-weight: 600;\n text-decoration: none;\n padding: 6px 12px;\n border-radius: 20px;\n transition: all 0.2s;\n display: inline-flex;\n align-items: center;\n }\n .link-main { background-color: #e3f2fd; color: #0d47a1; border: 1px solid #bbdefb; }\n .link-main:hover { background-color: #0d47a1; color: white; }\n .link-shopee { background-color: #fff3e0; color: #e65100; border: 1px solid #ffe0b2; }\n .link-shopee:hover { background-color: #e65100; color: white; }\n .link-lazada { background-color: #f3e5f5; color: #4a148c; border: 1px solid #e1bee7; }\n .link-lazada:hover { background-color: #4a148c; color: white; }\n .link-tiktok { background-color: #eceff1; color: #212121; border: 1px solid #cfd8dc; }\n .link-tiktok:hover { background-color: #212121; color: white; }\n\n h2 {\n text-align: center;\n color: #1a1a1a;\n margin-top: 0;\n margin-bottom: 30px;\n font-size: 24px;\n border-bottom: 2px solid #3182ce;\n padding-bottom: 15px;\n }\n .form-group {\n margin-bottom: 22px;\n }\n .form-label {\n display: flex;\n align-items: center;\n margin-bottom: 10px;\n font-weight: 600;\n color: #2d3748;\n font-size: 16px;\n }\n .step-num {\n display: inline-flex;\n align-items: center;\n justify-content: center;\n width: 24px;\n height: 24px;\n background-color: #3182ce;\n color: #fff;\n border-radius: 50%;\n font-size: 13px;\n margin-right: 10px;\n font-weight: bold;\n }\n select, input {\n width: 100%;\n padding: 12px 15px;\n border: 1px solid #ccd0d5;\n border-radius: 4px;\n box-sizing: border-box;\n font-size: 16px;\n background-color: #fff;\n transition: border-color 0.2s;\n }\n select:focus, input:focus {\n outline: none;\n border-color: #3182ce;\n box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);\n }\n button {\n width: 100%;\n background-color: #3182ce;\n color: white;\n padding: 14px;\n border: none;\n border-radius: 4px;\n font-size: 18px;\n font-weight: bold;\n cursor: pointer;\n transition: background 0.2s;\n margin-top: 15px;\n box-shadow: 0 2px 4px rgba(49, 130, 206, 0.2);\n }\n button:hover {\n background-color: #2b6cb0;\n }\n .result-box {\n margin-top: 30px;\n padding: 25px;\n background-color: #f8fafc;\n border: 1px solid #e2e8f0;\n border-radius: 6px;\n display: none;\n }\n .result-title {\n font-size: 18px;\n font-weight: bold;\n color: #2d3748;\n margin-bottom: 18px;\n border-left: 4px solid #3182ce;\n padding-left: 10px;\n }\n .result-row {\n display: flex;\n justify-content: space-between;\n align-items: center;\n padding: 12px 0;\n border-bottom: 1px dashed #e2e8f0;\n }\n .result-row:last-of-type {\n border-bottom: none;\n }\n .result-label {\n font-size: 15px;\n color: #4a5568;\n }\n .result-value {\n font-weight: bold;\n font-size: 18px;\n color: #1a202c;\n }\n .highlight-blue {\n color: #2b6cb0;\n font-size: 20px;\n }\n .highlight-red {\n color: #e53e3e;\n font-size: 20px;\n }\n .highlight-green {\n color: #2f855a;\n }\n .note-text {\n font-size: 13px;\n color: #718096;\n margin-top: 15px;\n line-height: 1.5;\n background: #fff;\n padding: 12px;\n border-radius: 4px;\n border: 1px solid #e2e8f0;\n }\n <\/style>\n<\/head>\n<body>\n\n<div class=\"container\">\n \n <div class=\"shop-links-container\">\n <a href=\"https:\/\/www.batdd.com\/shop\" target=\"_blank\" class=\"shop-link link-main\">\ud83c\udf10 \u0e23\u0e49\u0e32\u0e19\u0e2b\u0e25\u0e31\u0e01 (\u0e25\u0e14 20%)<\/a>\n <a href=\"https:\/\/s.shopee.co.th\/gA5HYw3pg\" target=\"_blank\" class=\"shop-link link-shopee\">\ud83e\udde1 Shopee<\/a>\n <a href=\"https:\/\/www.lazada.co.th\/shop\/batdd-com\" target=\"_blank\" class=\"shop-link link-lazada\">\ud83d\udc99 Lazada<\/a>\n <a href=\"https:\/\/vt.tiktok.com\/ZSQKv93hN\/?page=TikTokShop\" target=\"_blank\" class=\"shop-link link-tiktok\">\ud83d\udda4 TikTok Shop<\/a>\n <\/div>\n\n <h2>\ud83d\udd0b \u0e40\u0e04\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e04\u0e33\u0e19\u0e27\u0e13\u0e2a\u0e32\u0e22\u0e41\u0e1a\u0e15\u0e40\u0e15\u0e2d\u0e23\u0e35\u0e48 Solar Cell<\/h2>\n \n <div class=\"form-group\">\n <div class=\"form-label\"><span class=\"step-num\">1<\/span> \u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e23\u0e30\u0e1a\u0e1a\u0e41\u0e1a\u0e15\u0e40\u0e15\u0e2d\u0e23\u0e35\u0e48 (V)<\/div>\n <select id=\"system_voltage\">\n <option value=\"12\">12V<\/option>\n <option value=\"24\">24V<\/option>\n <option value=\"48\" selected>48V<\/option>\n <\/select>\n <\/div>\n\n <div class=\"form-group\">\n <div class=\"form-label\"><span class=\"step-num\">2<\/span> \u0e02\u0e19\u0e32\u0e14\u0e27\u0e31\u0e15\u0e15\u0e4c\u0e15\u0e48\u0e2d\u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07 \u0e2b\u0e23\u0e37\u0e2d\u0e02\u0e19\u0e32\u0e14\u0e2d\u0e34\u0e19\u0e40\u0e27\u0e2d\u0e23\u0e4c\u0e40\u0e15\u0e2d\u0e23\u0e4c (W)<\/div>\n <input type=\"number\" id=\"power_watts\" value=\"3000\" min=\"100\" max=\"20000\" placeholder=\"\u0e40\u0e0a\u0e48\u0e19 3000 \u0e2b\u0e23\u0e37\u0e2d 5000\">\n <\/div>\n\n <div class=\"form-group\">\n <div class=\"form-label\"><span class=\"step-num\">3<\/span> \u0e04\u0e27\u0e32\u0e21\u0e22\u0e32\u0e27\u0e2a\u0e32\u0e22\u0e41\u0e1a\u0e15\u0e40\u0e15\u0e2d\u0e23\u0e35\u0e48 \u0e40\u0e17\u0e35\u0e48\u0e22\u0e27\u0e40\u0e14\u0e35\u0e22\u0e27 (\u0e40\u0e21\u0e15\u0e23)<\/div>\n <input type=\"number\" id=\"cable_length\" value=\"2\" min=\"0.5\" max=\"20\" step=\"0.5\">\n <\/div>\n\n <button onclick=\"calculateBatteryCable()\">\u0e04\u0e33\u0e19\u0e27\u0e13\u0e1c\u0e25\u0e25\u0e31\u0e1e\u0e18\u0e4c<\/button>\n\n <div id=\"result\" class=\"result-box\">\n <div class=\"result-title\">\ud83c\udfaf \u0e1c\u0e25\u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13\u0e41\u0e25\u0e30\u0e04\u0e33\u0e41\u0e19\u0e30\u0e19\u0e33\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e23\u0e30\u0e1a\u0e1a\u0e02\u0e2d\u0e07\u0e04\u0e38\u0e13<\/div>\n \n <div class=\"result-row\">\n <span class=\"result-label\">\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e2a\u0e39\u0e07\u0e2a\u0e38\u0e14\u0e43\u0e19\u0e2a\u0e32\u0e22 (Current):<\/span>\n <span class=\"result-value\"><span id=\"res_amps\">–<\/span> A<\/span>\n <\/div>\n \n <div class=\"result-row\">\n <span class=\"result-label\">\u0e02\u0e19\u0e32\u0e14\u0e2a\u0e32\u0e22\u0e41\u0e19\u0e30\u0e19\u0e33 \u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19\u0e44\u0e17\u0e22 (THW \/ \u0e2a\u0e32\u0e22\u0e2d\u0e48\u0e2d\u0e19):<\/span>\n <span class=\"result-value highlight-blue\"><span id=\"res_cable\">–<\/span> mm\u00b2<\/span>\n <\/div>\n \n <div class=\"result-row\">\n <span class=\"result-label\">\u0e02\u0e19\u0e32\u0e14\u0e2a\u0e32\u0e22\u0e41\u0e19\u0e30\u0e19\u0e33 \u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19\u0e2d\u0e40\u0e21\u0e23\u0e34\u0e01\u0e31\u0e19 (AWG \/ \u0e0b\u0e34\u0e25\u0e34\u0e42\u0e04\u0e19):<\/span>\n <span class=\"result-value highlight-red\"><span id=\"res_awg\">–<\/span> AWG<\/span>\n <\/div>\n \n <div class=\"result-row\">\n <span class=\"result-label\">\u0e02\u0e19\u0e32\u0e14\u0e23\u0e30\u0e1a\u0e1a\u0e2d\u0e34\u0e19\u0e40\u0e27\u0e2d\u0e23\u0e4c\u0e40\u0e15\u0e2d\u0e23\u0e4c\u0e17\u0e35\u0e48\u0e04\u0e33\u0e19\u0e27\u0e13:<\/span>\n <span class=\"result-value highlight-green\"><span id=\"res_sys_size\">–<\/span> kW<\/span>\n <\/div>\n \n <div class=\"note-text\">\n <strong>* \u0e02\u0e49\u0e2d\u0e41\u0e19\u0e30\u0e19\u0e33\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e40\u0e15\u0e34\u0e21\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22:<\/strong><br>\n \u0e23\u0e30\u0e1a\u0e1a\u0e04\u0e33\u0e19\u0e27\u0e13\u0e40\u0e1c\u0e37\u0e48\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22 (Safety Factor) \u0e44\u0e27\u0e49\u0e17\u0e35\u0e48 125% \u0e41\u0e25\u0e30\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e15\u0e01\u0e43\u0e19\u0e2a\u0e32\u0e22 (Voltage Drop) \u0e44\u0e21\u0e48\u0e43\u0e2b\u0e49\u0e40\u0e01\u0e34\u0e19 2% \u0e41\u0e25\u0e49\u0e27 \u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e2a\u0e39\u0e07\u0e2a\u0e38\u0e14 \u0e04\u0e27\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e43\u0e0a\u0e49\u0e2a\u0e32\u0e22\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17 <strong>“\u0e17\u0e2d\u0e07\u0e41\u0e14\u0e07\u0e1d\u0e2d\u0e22\u0e2d\u0e48\u0e2d\u0e19”<\/strong> (\u0e40\u0e0a\u0e48\u0e19 \u0e2a\u0e32\u0e22 THW(f) \u0e2b\u0e23\u0e37\u0e2d\u0e2a\u0e32\u0e22 AWG \u0e0b\u0e34\u0e25\u0e34\u0e42\u0e04\u0e19\u0e40\u0e01\u0e23\u0e14\u0e2a\u0e39\u0e07\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e07\u0e32\u0e19\u0e41\u0e1a\u0e15\u0e40\u0e15\u0e2d\u0e23\u0e35\u0e48\u0e42\u0e14\u0e22\u0e40\u0e09\u0e1e\u0e32\u0e30) \u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19\u0e2a\u0e30\u0e2a\u0e21\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e2a\u0e39\u0e0d\u0e40\u0e2a\u0e35\u0e22\u0e1e\u0e25\u0e31\u0e07\u0e07\u0e32\u0e19\u0e43\u0e19\u0e23\u0e30\u0e1a\u0e1a\n <\/div>\n <\/div>\n<\/div>\n\n<script>\n function calculateBatteryCable() {\n const V = parseFloat(document.getElementById('system_voltage').value);\n const P = parseFloat(document.getElementById('power_watts').value);\n const L = parseFloat(document.getElementById('cable_length').value);\n\n if (isNaN(P) || P <= 0 || isNaN(L) || L <= 0) {\n alert('\u0e01\u0e23\u0e38\u0e13\u0e32\u0e01\u0e23\u0e2d\u0e01\u0e02\u0e49\u0e2d\u0e21\u0e39\u0e25\u0e15\u0e31\u0e27\u0e40\u0e25\u0e02\u0e43\u0e2b\u0e49\u0e16\u0e39\u0e01\u0e15\u0e49\u0e2d\u0e07\u0e41\u0e25\u0e30\u0e04\u0e23\u0e1a\u0e16\u0e49\u0e27\u0e19');\n return;\n }\n\n let I_continuous = P \/ V;\n let I_design = I_continuous * 1.25;\n\n const cableSpecs = [\n { size: 4, awg: \"12\", amp: 35, r: 4.95 },\n { size: 6, awg: \"10\", amp: 45, r: 3.30 },\n { size: 10, awg: \"7-8\", amp: 65, r: 1.83 },\n { size: 16, awg: \"6\", amp: 90, r: 1.15 },\n { size: 25, awg: \"4\", amp: 120, r: 0.727 },\n { size: 35, awg: \"2\", amp: 150, r: 0.524 },\n { size: 50, awg: \"1\/0\", amp: 195, r: 0.387 },\n { size: 70, awg: \"2\/0\", amp: 245, r: 0.268 },\n { size: 95, awg: \"3\/0\", amp: 300, r: 0.193 },\n { size: 120, awg: \"4\/0\", amp: 350, r: 0.153 }\n ];\n\n let matchedIndex = cableSpecs.length - 1;\n for (let i = 0; i < cableSpecs.length; i++) {\n if (I_design <= cableSpecs[i].amp) {\n matchedIndex = i;\n break;\n }\n }\n\n let max_vd = V * 0.02; \n let finalIndex = matchedIndex;\n\n for (let i = matchedIndex; i < cableSpecs.length; i++) {\n let R = cableSpecs[i].r;\n let vd = (2 * L * I_continuous * R) \/ 1000;\n \n if (vd <= max_vd) {\n finalIndex = i;\n break;\n }\n if (i === cableSpecs.length - 1) {\n finalIndex = i;\n }\n }\n\n let recommendedCable = cableSpecs[finalIndex];\n let systemKw = (P \/ 1000).toFixed(1);\n\n document.getElementById('res_amps').innerText = I_continuous.toFixed(2);\n document.getElementById('res_cable').innerText = recommendedCable.size;\n document.getElementById('res_awg').innerText = recommendedCable.awg;\n document.getElementById('res_sys_size').innerText = systemKw;\n\n document.getElementById('result').style.display = 'block';\n }\n<\/script>\n\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"<p>\u0e04\u0e33\u0e19\u0e27\u0e13\u0e02\u0e19\u0e32\u0e14\u0e2a\u0e32\u0e22\u0e41\u0e1a\u0e15\u0e40\u0e15\u0e2d\u0e23\u0e35 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