{"product_id":"dual-battery-isolator-12v-300a-vsr-lcd-manual-auto","title":"Dual Battery Isolator 12V 300A VSR, LCD, Manual Auto","description":"\u003cp\u003eDual battery isolator 12V 300A keeps your starting battery protected while efficiently charging an auxiliary battery for RV, truck, boat, or off-grid setups. A voltage sensitive relay with LCD screen shows both battery voltages in real time and supports lithium and lead-acid systems. Switch between automatic VSR operation and manual mode to manage power with confidence in demanding outdoor conditions.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eDelivers 300A high-current split charging for high-capacity dual-battery systems\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eSupports lithium and lead-acid batteries with adjustable start\/stop voltage settings\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eSwitches to manual mode to use the auxiliary battery to assist a depleted main battery\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003ePrevents rapid cycling with an adjustable 3–60s delay to reduce wear\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eDisplays dual battery voltage (4.5–20V) for fast diagnostics and system checks\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003eBuilt for real-world installs, this smart battery isolator adds overvoltage and undervoltage protection in a compact, rugged housing designed to handle vibration, dust, and rough use. Use it as a split charge isolator for vehicle or marine electrical systems where stable power matters—camping gear, winches, lighting, fridges, and accessories. If you want cleaner charging control and clearer voltage visibility without guessing, grab yours today.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eRated voltage\/current: DC 12V, 300A\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eVoltage display range: 4.5–20V\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eDelay time: adjustable 3–60 seconds\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eMaterial: PA6\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eDimensions: 3.5 x 3.5 x 3.1 in (90 x 90 x 80 mm)\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eNet weight (with accessories): 0.9 lb (0.42 kg)\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"B2X","offers":[{"title":"Default Title","offer_id":55518901010759,"sku":"VEV-009115-B","price":108.99,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/5402\/2983\/files\/DualBatteryIsolator12V300AVSRLCDManualAutoDefaultTitle.jpg?v=1792663269","url":"https:\/\/bluemall.lu\/de\/products\/dual-battery-isolator-12v-300a-vsr-lcd-manual-auto","provider":"Bluemall","version":"1.0","type":"link"}