{"product_id":"victron-18a-12v-dc-dc-isolated-battery-to-battery-charger-4boats","title":"Victron 18A 12V DC-DC Isolated Battery-to-Battery Charger | 4Boats","description":"\u003cp\u003eCompact, galvanically isolated 18 A DC-to-DC charger for charging a second 12 V battery bank from a primary 12 V source; suitable for 12 V lead‑acid or lithium batteries and with Bluetooth monitoring.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFunction: automatically charge one 12 V battery\/bank from another 12 V battery\/bank (for example engine starter to leisure battery) and provide isolated DC conversion for sensitive loads.\u003c\/li\u003e\n\u003cli\u003eBluetooth connectivity: inbuilt Bluetooth allows monitoring and configuration with the VictronConnect app without accessing the installation location.\u003c\/li\u003e\n\u003cli\u003eSafe unattended charging: inbuilt protection against overload, overheating, overvoltage, short circuit and reverse polarity.\u003c\/li\u003e\n\u003cli\u003eContinued charging during battery\/load use: the charger will continue to operate at full power while energy is drawn from the target battery; also offers DC conversion mode for stable, low‑noise output.\u003c\/li\u003e\n\u003cli\u003eCompatible with other charging sources: suppression filter permits concurrent charging from alternator, solar or mains; remote on\/off via hard‑wired switch, external relay or VictronConnect.\u003c\/li\u003e\n\u003cli\u003eVehicle battery optimisation and system upgrade potential: designed for efficient vehicle charging and may be connected in parallel with identical units to boost charging capacity for future expansion.\u003c\/li\u003e\n\u003cli\u003eGalvanic isolation: input, output and case are isolated from each other up to 200 Vdc to prevent galvanic currents through metal hulls; additional features include LED indicators for charging stage\/status.\u003c\/li\u003e\n\u003cli\u003eSpecifications: Input voltage 8–17 V; output current 0–18 A; battery types suitable for 12 V lead‑acid or lithium; under‑voltage shutdown 7.0 V, restart 7.5 V; output voltage adjustable 10–15 V (12.2 V nominal); output tolerance ±0.2 V; output noise 2 mV RMS; max power 280W; no‑load consumption: see datasheet; standby \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSuitable for marine, vehicle and off‑grid systems; consult the datasheet and installation manual for cable sizing, mounting and compatible battery settings before installation.\u003c\/p\u003e","brand":"4Boats","offers":[{"title":"Default Title","offer_id":56755606880630,"sku":"VOS1212-18I","price":187.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/8140\/9004\/files\/victron-18a-12v-dc-to-12v-dc-automatic-multi-stage-intelligent-battery-to-battery-charger-4boats.jpg?v=1764338364","url":"https:\/\/www.leighnumberplates.com\/products\/victron-18a-12v-dc-dc-isolated-battery-to-battery-charger-4boats","provider":"Leigh Number Plates","version":"1.0","type":"link"}