{"product_id":"vevor-split-charge-relay-kit-12v-automatic-battery-isolator-kit-12v-amp-vsr-110amp-for-car-truck-caravan-camper-yacht-boats-1","title":"12V Split Charge Relay Kit 140A VSR with Voltmeter for Dual Battery","description":"\u003cp\u003eKeep your starter battery protected while charging your leisure battery automatically. This split charge relay kit keeps your setup running without manual switching or risk of draining power when the engine is off.\u003c\/p\u003e\u003cp\u003eGet reliable dual battery charging for camper vans, 4x4s, boats, and more—so your trips stay powered without compromising your engine start.\u003c\/p\u003e\u003ch2\u003eSmart charging that protects your main battery every time\u003c\/h2\u003e\u003cp\u003e✅ Charge leisure batteries up to 220AH safely while you drive\u003c\/p\u003e\u003cp\u003e✅ Prevent starter battery drain when the engine is off\u003c\/p\u003e\u003cp\u003e✅ Monitor voltage in real time with a built-in digital display\u003c\/p\u003e\u003cp\u003e✅ Switch between automatic and manual charging when needed\u003c\/p\u003e\u003cp\u003e✅ Install easily with pre-made cables and included components\u003c\/p\u003e\u003cp\u003e✅ Works with modern vehicles without ignition wiring\u003c\/p\u003e\u003cp\u003eThis kit uses a voltage sensitive relay (VSR) that detects when your vehicle is charging. As voltage rises, it connects your leisure battery so it charges alongside your starter battery. When the engine stops, it automatically isolates the batteries, ensuring your vehicle always has enough power to start.\u003c\/p\u003e\u003cp\u003eThe integrated digital voltmeter display shows battery voltage at a glance, giving you better control over your setup. An emergency switch lets you override automatic mode when needed, adding flexibility in real-world situations.\u003c\/p\u003e\u003cp\u003eEverything is included for installation, from 3-meter ready-made cables with connectors to fuse holders, terminals, and fixing accessories. The pre-configured leads and clear instructions simplify setup, even in tighter spaces like camper vans or mobile workshops.\u003c\/p\u003e\u003cp\u003eCompared to basic relay kits, this version adds real-time visibility and upgraded internal components for more consistent operation, especially in modern vehicles with CAN bus systems.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S9258caa726b0464199d18423360761e3L.jpg\" alt=\"Split charge relay kit components\"\u003e\u003c\/p\u003e\u003cp\u003eEverything needed for a complete dual battery setup.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Scc1ba06a327c4d1b8d2ac1c52e12771du.jpg\" alt=\"Digital voltmeter display on relay\"\u003e\u003c\/p\u003e\u003cp\u003eCheck battery voltage instantly with clear display.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Se54e61711be344b7b6d6d5809b33f4a5p.jpg\" alt=\"Relay wiring and connection example\"\u003e\u003c\/p\u003e\u003cp\u003eSimple connections make installation straightforward.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S795119f1e1404ebcadb57054fb72eb9cE.jpg\" alt=\"Included cables and connectors\"\u003e\u003c\/p\u003e\u003cp\u003ePre-made cables save time during setup.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sb93f897aadfe4d1fbdda240e5c630125o.jpg\" alt=\"Fuse holders and wiring accessories\"\u003e\u003c\/p\u003e\u003cp\u003eProtect your system with included fuse components.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S8aac4af17f124453b630a13817cdd735l.jpg\" alt=\"Battery terminals and connectors\"\u003e\u003c\/p\u003e\u003cp\u003eSecure connections keep power flowing reliably.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sd73b5e9e351e4eb7a1313af74ba717498.jpg\" alt=\"Cable management accessories\"\u003e\u003c\/p\u003e\u003cp\u003eKeep wiring organized and easy to manage.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sf59dca15683f4b7e8035b376bb786fefy.jpg\" alt=\"Relay installed in vehicle\"\u003e\u003c\/p\u003e\u003cp\u003eFits neatly into vehicle electrical setups.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S7b52f7989e034b2e8c3278823dc4b056I.jpg\" alt=\"Complete wiring kit included\"\u003e\u003c\/p\u003e\u003cp\u003eNo extra parts needed to get started.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sd5369ea5ffa942729d718648b55b4386y.jpg\" alt=\"Overview of kit components\"\u003e\u003c\/p\u003e\u003cp\u003eEach component supports a clean, reliable install.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S6d216dddfe7746509a9356071171f03eG.jpg\" alt=\"Detail of relay build\"\u003e\u003c\/p\u003e\u003cp\u003eUpgraded internals improve reliability over time.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S5cf6609bab6147639f009fefa301e048p.jpg\" alt=\"Full kit layout\"\u003e\u003c\/p\u003e\u003cp\u003eEverything is included for a complete setup.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePower your trips with confidence without risking your main battery.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Spy-shop.com","offers":[{"title":"5m with LED","offer_id":62500769268042,"sku":"14:200004891#5m with LED","price":73.95,"currency_code":"EUR","in_stock":true},{"title":"7m with LED","offer_id":62500769300810,"sku":"14:200003699#7m with LED","price":84.95,"currency_code":"EUR","in_stock":true},{"title":"1pc with LED","offer_id":62500769333578,"sku":"14:200004889#1pc with LED","price":40.95,"currency_code":"EUR","in_stock":true},{"title":"3m with LED","offer_id":62500769366346,"sku":"14:200004890#3m with LED","price":73.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/5980\/2954\/files\/Scc945fadb8e943659f6e2932a7234862g.webp?v=1781993429","url":"https:\/\/spy-shop.com\/products\/vevor-split-charge-relay-kit-12v-automatic-battery-isolator-kit-12v-amp-vsr-110amp-for-car-truck-caravan-camper-yacht-boats-1","provider":"Spy-shop.com","version":"1.0","type":"link"}