{"product_id":"voltage-sensing-relay-vsr-12v-split-charge-relay","title":"Voltage Sensing Relay (VSR) — 12V Split Charge Relay","description":"\u003cdiv class=\"rpv2\"\u003e\n\u003cstyle\u003e\n.rpv2{max-width:900px;margin:0 auto;font-family:'Poppins',sans-serif;color:#333333;line-height:1.6}\n.rpv2 *{box-sizing:border-box}\n.rpv2 h2{font-size:22px;font-weight:700;color:#333333;margin:32px 0 14px;padding-bottom:8px;border-bottom:2px solid #24b15c}\n.rpv2 h2:first-child{margin-top:0}\n.rpv2 h3{font-size:17px;font-weight:700;color:#333333;margin:0 0 6px}\n.rpv2 p{margin:0 0 12px;font-size:15px;color:#374151}\n.rpv2 .rpv2-best-for{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:#24b15c;margin-bottom:6px}\n.rpv2 .rpv2-subtitle{font-size:16px;color:#4b5563;margin:4px 0 14px;font-weight:500}\n.rpv2 .rpv2-chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 18px}\n.rpv2 .rpv2-chip{display:inline-flex;align-items:center;gap:4px;padding:4px 12px;font-size:12px;font-weight:600;border-radius:20px;background:#eafbf1;color:#1b8a46;border:1px solid #24b15c}\n.rpv2 .rpv2-hero p{font-size:16px;color:#374151}\n.rpv2 ul.rpv2-bullets{list-style:none;padding:0;margin:16px 0}\n.rpv2 ul.rpv2-bullets li{position:relative;padding-left:26px;margin-bottom:9px;font-size:15px;color:#374151}\n.rpv2 ul.rpv2-bullets li::before{content:\"\\2713\";position:absolute;left:0;top:0;color:#24b15c;font-weight:bold}\n.rpv2 .rpv2-included{margin:16px 0}\n.rpv2 .rpv2-included-item{display:flex;gap:12px;margin-bottom:14px}\n.rpv2 .rpv2-included-num{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:#24b15c;color:#fff;font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center}\n.rpv2 .rpv2-included-text h3{margin-bottom:3px}\n.rpv2 .rpv2-included-text p{margin:0;font-size:14px;color:#4b5563}\n.rpv2 .rpv2-features{margin:16px 0}\n.rpv2 .rpv2-feature{margin-bottom:18px}\n.rpv2 .rpv2-feature-title{font-weight:700;font-size:16px;color:#333333;margin-bottom:4px}\n.rpv2 .rpv2-feature-title .rpv2-num{color:#24b15c;margin-right:6px}\n.rpv2 .rpv2-feature p{margin:0;font-size:14px;color:#4b5563}\n.rpv2 .rpv2-table-wrap{overflow-x:auto;margin:16px 0;border:1px solid #e5e7eb;border-radius:10px}\n.rpv2 table{width:100%;border-collapse:collapse;font-size:14px}\n.rpv2 table th{background:#f3faf6;color:#333333;font-weight:700;text-align:left;padding:12px 14px;border-bottom:2px solid #24b15c;white-space:nowrap}\n.rpv2 table td{padding:12px 14px;border-bottom:1px solid #e5e7eb;color:#374151}\n.rpv2 table tr:last-child td{border-bottom:none}\n.rpv2 table tr:nth-child(even) td{background:#fafafa}\n.rpv2 .rpv2-which{margin:16px 0}\n.rpv2 .rpv2-which-item{margin-bottom:10px;font-size:15px;color:#374151}\n.rpv2 .rpv2-which-item strong{color:#333333}\n.rpv2 .rpv2-specs-group{margin-bottom:18px}\n.rpv2 .rpv2-specs-label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:#6b7280;margin-bottom:8px}\n.rpv2 .rpv2-specs-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}\n.rpv2 .rpv2-specs-list li{font-size:14px;color:#374151;padding:8px 0;border-bottom:1px solid #f0f0f0}\n.rpv2 .rpv2-specs-list li b{color:#333333}\n.rpv2 .rpv2-schematic{margin:16px 0;text-align:center;background:#fafafa;border:1px solid #e5e7eb;border-radius:10px;padding:16px}\n.rpv2 .rpv2-schematic img{max-width:100%;height:auto;border-radius:6px}\n.rpv2 .rpv2-schematic-caption{font-size:13px;color:#6b7280;margin-top:10px;font-style:italic}\n.rpv2 .rpv2-note{font-size:12px;color:#9ca3af;margin-top:6px}\n.rpv2 .rpv2-alsoneed{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:16px 0}\n.rpv2 .rpv2-alsoneed-item{border:1px solid #e5e7eb;border-radius:10px;padding:14px;background:#fafafa}\n.rpv2 .rpv2-alsoneed-item h4{font-size:14px;margin:0 0 4px;color:#333333}\n.rpv2 .rpv2-alsoneed-item p{font-size:13px;margin:0;color:#6b7280}\n\/* Battery runtime widget *\/\n.rpv2 .rpv2-runtime{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:16px 0}\n.rpv2 .rpv2-runtime-item{background:#f3faf6;border:1px solid #24b15c;border-radius:10px;padding:16px;text-align:center}\n.rpv2 .rpv2-runtime-item h4{font-size:14px;color:#333333;margin:0 0 6px}\n.rpv2 .rpv2-runtime-item p{font-size:24px;font-weight:700;color:#24b15c;margin:0}\n.rpv2 .rpv2-runtime-item span{font-size:12px;color:#6b7280;display:block;margin-top:4px}\n\/* Solar yield widget *\/\n.rpv2 .rpv2-yield{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:16px 0}\n.rpv2 .rpv2-yield-item{background:#f3faf6;border:1px solid #24b15c;border-radius:10px;padding:16px;text-align:center}\n.rpv2 .rpv2-yield-item h4{font-size:14px;color:#333333;margin:0 0 6px}\n.rpv2 .rpv2-yield-item p{font-size:22px;font-weight:700;color:#24b15c;margin:0}\n.rpv2 .rpv2-yield-item span{font-size:12px;color:#6b7280;display:block;margin-top:4px}\n.rpv2 .rpv2-yield-config{margin:14px 0;border:1px solid #e5e7eb;border-radius:10px;overflow:hidden}\n.rpv2 .rpv2-yield-config table{font-size:13px}\n.rpv2 .rpv2-disclaim{font-size:12px;color:#9ca3af;margin-top:10px;font-style:italic}\n\/* Inverter capacity widget *\/\n.rpv2 .rpv2-inv-cap{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:16px 0}\n.rpv2 .rpv2-inv-item{display:flex;align-items:center;gap:10px;border:1px solid #e5e7eb;border-radius:10px;padding:12px;background:#fafafa}\n.rpv2 .rpv2-inv-icon{font-size:24px;flex-shrink:0}\n.rpv2 .rpv2-inv-text h4{font-size:14px;color:#333333;margin:0 0 2px}\n.rpv2 .rpv2-inv-text p{font-size:13px;color:#6b7280;margin:0}\n.rpv2 .rpv2-inv-text .rpv2-watt{font-size:12px;color:#24b15c;font-weight:600}\n.rpv2 .rpv2-inv-no{opacity:.5}\n.rpv2 .rpv2-inv-combined{margin:14px 0;padding:14px;background:#f3faf6;border-radius:10px;border:1px solid #e5e7eb}\n.rpv2 .rpv2-inv-combined h4{font-size:14px;color:#333333;margin:0 0 8px}\n.rpv2 .rpv2-inv-combined p{font-size:13px;color:#4b5563;margin:0 0 6px}\n\/* FAQ *\/\n.rpv2 details{border-bottom:1px solid #e5e7eb;padding:14px 0}\n.rpv2 details:last-child{border-bottom:none}\n.rpv2 summary{font-weight:600;font-size:15px;cursor:pointer;color:#333333;list-style:none;display:flex;align-items:center;gap:8px}\n.rpv2 summary::-webkit-details-marker{display:none}\n.rpv2 summary::before{content:\"+\";color:#24b15c;font-size:18px;font-weight:bold;width:18px}\n.rpv2 details[open] summary::before{content:\"\\2212\"}\n.rpv2 details p{margin:10px 0 0 26px;font-size:14px;color:#4b5563}\n@media(max-width:640px){.rpv2 .rpv2-specs-list{grid-template-columns:1fr}.rpv2 .rpv2-alsoneed{grid-template-columns:1fr}.rpv2 .rpv2-runtime{grid-template-columns:1fr}.rpv2 .rpv2-yield{grid-template-columns:1fr}.rpv2 .rpv2-inv-cap{grid-template-columns:1fr}}\n\u003c\/style\u003e\n\n\u003cdiv class=\"rpv2-best-for\"\u003eSPLIT CHARGE · AGM \u0026amp; GEL ONLY\u003c\/div\u003e\n\u003ch1 style=\"font-size:28px;font-weight:800;margin:0 0 10px;color:#333333;\"\u003eVictron Cyrix VSR — 12V Voltage Sensing Relay\u003c\/h1\u003e\n\u003cdiv class=\"rpv2-chips\"\u003e\n\u003cspan class=\"rpv2-chip\"\u003e✓ No Programming\u003c\/span\u003e\u003cspan class=\"rpv2-chip\"\u003e✓ 120A Continuous\u003c\/span\u003e\u003cspan class=\"rpv2-chip\"\u003e✓ Automatic Operation\u003c\/span\u003e\u003cspan class=\"rpv2-chip\"\u003e✓ Budget-Friendly\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rpv2-subtitle\"\u003eMicroprocessor-controlled heavy-duty relay that automatically connects batteries when the engine runs\u003c\/div\u003e\n\u003cdiv class=\"rpv2-hero\"\u003e\u003cp\u003eConnects your starter and leisure batteries automatically whilst the engine is running and isolates them when parked. This Victron voltage-sensing relay keeps your starting battery protected whilst delivering reliable charge to your leisure battery from standard alternators. It operates completely automatically without requiring Bluetooth, apps, or complex programming. If you need a straightforward fit-and-forget charging solution for traditional AGM or gel batteries on standard alternators, this is the ideal choice.\u003c\/p\u003e\u003c\/div\u003e\n\u003cul class=\"rpv2-bullets\"\u003e\n\u003cli\u003eMicroprocessor-controlled — not a simple voltage switch\u003c\/li\u003e\n\u003cli\u003e120A continuous current rating\u003c\/li\u003e\n\u003cli\u003eAutomatic engagement at 13.8V, disengagement at 12.8V\u003c\/li\u003e\n\u003cli\u003eNo programming or Bluetooth needed — set and forget\u003c\/li\u003e\n\u003cli\u003eCompatible with AGM, gel, and lead-acid batteries (NOT lithium)\u003c\/li\u003e\n\u003cli\u003eDoes NOT work with smart alternators (Euro 6 engines, 2015+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e🔧 Tech Specs\u003c\/h2\u003e\n\u003cdiv class=\"rpv2-specs-group\"\u003e\n\u003cdiv class=\"rpv2-specs-label\"\u003eShared\u003c\/div\u003e\n\u003cul class=\"rpv2-specs-list\"\u003e\n\u003cli\u003eType \u003cb\u003e: Victron Cyrix battery combiner (voltage-sensing relay)\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003eMax Current \u003cb\u003e: 120A continuous\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003eEngage Voltage \u003cb\u003e: 13.8V\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003eDisengage Voltage \u003cb\u003e: 12.8V\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003eVoltage Trend Monitoring \u003cb\u003e: Yes (microprocessor)\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003eBattery Compatibility \u003cb\u003e: AGM, gel, lead-acid (NOT lithium)\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003eSmart Alternator Compatible \u003cb\u003e: No\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003eBluetooth \u003cb\u003e: No\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003eDimensions \u003cb\u003e: 68 × 50 × 50mm\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight \u003cb\u003e: 0.3kg\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003eWarranty \u003cb\u003e: 5 years (Victron)\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003e🔌 You Might Also Need\u003c\/h2\u003e\n\u003cdiv class=\"rpv2-alsoneed\"\u003e\n\u003cdiv class=\"rpv2-alsoneed-item\"\u003e\n\u003ch4\u003eSplit Charge Cable Kit\u003c\/h4\u003e\n\u003cp\u003eVan-specific cable kit\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rpv2-alsoneed-item\"\u003e\n\u003ch4\u003e12V Fuse Box\u003c\/h4\u003e\n\u003cp\u003e6-way (SC7) or 12-way (SC6)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rpv2-alsoneed-item\"\u003e\n\u003ch4\u003eLeisure Battery\u003c\/h4\u003e\n\u003cp\u003eAGM or gel to suit\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Rayne Automotive","offers":[{"title":"Default Title","offer_id":57269090320764,"sku":"VSR","price":28.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0867\/5174\/0218\/files\/2021_Image_Coming_Soon_0d1e3b0d-8556-4ee5-ad75-2ed96860ffaa.jpg?v=1789726135","url":"https:\/\/rayneautomotive.co.uk\/products\/voltage-sensing-relay-vsr-12v-split-charge-relay","provider":"Rayne Automotive","version":"1.0","type":"link"}