{"product_id":"victron-100a-battery-isolator-argodiode-100-3ac-3","title":"Victron Energy - 12\/24V - Argodiode 100-3AC - Battery Isolator - 3 Batteries","description":"\u003ch2\u003eVictron 100A Battery Isolator Argodiode 100-3AC: High-Efficiency Schottky Diode Battery Isolator for Dual and Multi-Bank Charging\u003c\/h2\u003e\n\u003ch3\u003eReliable Simultaneous Charging Without Battery Interconnection\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eVictron 100A Battery Isolator Argodiode 100-3AC\u003c\/strong\u003e is a robust diode battery isolator engineered to enable simultaneous charging of \u003cstrong\u003e3 separate battery banks\u003c\/strong\u003e from a single alternator, without electrically connecting the batteries together. This ensures that discharging an accessory or auxiliary battery—such as a house bank in a caravan, boat, or 4WD—will not drain the starter battery, preserving engine start capability and reducing the risk of being stranded. Unlike generic split-charge relays or basic isolators, this Victron unit uses advanced Schottky diode technology to minimise voltage drop, delivering more efficient charging and longer battery life.\u003c\/p\u003e\n\u003cp\u003eDesigned for \u003cstrong\u003e12V and 24V DC systems\u003c\/strong\u003e, this isolator is ideal for marine, automotive, and off-grid applications where reliable multi-battery management is critical. Its low forward voltage drop—approximately 0.3 V at low current and 0.45 V at rated output—reduces energy loss and heat generation, ensuring more of the alternator’s output reaches your batteries. This is a significant advantage over conventional silicon diode isolators, which can drop 0.7 V or more, leading to chronic undercharging and premature battery failure.\u003c\/p\u003e\n\u003ch3\u003eAdvanced Schottky Diode Technology for Superior Performance\u003c\/h3\u003e\n\u003cp\u003eAt the core of the \u003cstrong\u003eVictron 100A Battery Isolator Argodiode 100-3AC\u003c\/strong\u003e are high-efficiency Schottky diodes, which provide a lower forward voltage drop compared to standard PN-junction diodes. This means less power is wasted as heat, and the alternator can operate closer to its intended voltage setpoint. The integrated \u003cstrong\u003evoltage compensation diode\u003c\/strong\u003e allows you to fine-tune the alternator’s output voltage to offset the small remaining drop, ensuring batteries reach a full state of charge. This feature is especially valuable in systems where battery longevity and performance are paramount, such as in deep-cycle AGM or lithium battery setups.\u003c\/p\u003e\n\u003cp\u003eAdditionally, the \u003cstrong\u003eVictron 100A Battery Isolator Argodiode 100-3AC\u003c\/strong\u003e includes a \u003cstrong\u003ecurrent-limited alternator energize input\u003c\/strong\u003e which is essential for modern alternators that require a DC voltage on the B+ terminal to initiate charging. Without this input, a diode isolator would block the return voltage, preventing the alternator from starting. The energize circuit provides a safe, controlled current to the B+ terminal when the engine run\/stop switch is closed, ensuring reliable alternator activation.\u003c\/p\u003e\n\u003ch3\u003eBuilt for Demanding Environments\u003c\/h3\u003e\n\u003cp\u003eVictron’s Argo Diode isolators are constructed with a durable anodised aluminium heat sink that efficiently dissipates heat, allowing continuous operation at high currents without thermal throttling. The compact footprint—\u003cstrong\u003e60 x 120 x 115 mm (2.4 x 4.7 x 4.5 inches)\u003c\/strong\u003e—and light weight of \u003cstrong\u003e0.8 kg (1.8 lbs)\u003c\/strong\u003e make installation straightforward in tight engine bays or electrical compartments. Heavy-duty \u003cstrong\u003eM6 Studs\u003c\/strong\u003e stud terminals ensure secure, low-resistance connections for high-current cables, while the 6.3 mm Faston connectors for compensation and energize simplify wiring.\u003c\/p\u003e\n\u003cp\u003eAll models are rated for mounting on non-flammable surfaces and are tested to withstand the vibration, temperature extremes, and salt-laden air common in marine and automotive environments. This rugged design reduces the risk of premature failure and electrical faults that can occur with lesser-quality isolators.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSimultaneous charging of \u003cstrong\u003e3 battery banks\u003c\/strong\u003e from one alternator without interconnection\u003c\/li\u003e\n\u003cli\u003eLow voltage drop Schottky diodes: ~0.3 V at low current, ~0.45 V at rated output\u003c\/li\u003e\n\u003cli\u003eIntegrated voltage compensation diode to optimise alternator output\u003c\/li\u003e\n\u003cli\u003eCurrent-limited alternator energize input for modern alternators\u003c\/li\u003e\n\u003cli\u003eHeavy-duty \u003cstrong\u003eM6 Studs\u003c\/strong\u003e stud terminals for secure high-current connections\u003c\/li\u003e\n\u003cli\u003eCompact, lightweight aluminium heat sink for efficient cooling\u003c\/li\u003e\n\u003cli\u003eSuitable for 12V and 24V DC systems\u003c\/li\u003e\n\u003cli\u003eRobust construction for marine, automotive, and off-grid use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eVictron 100A Battery Isolator Argodiode 100-3AC\u003c\/strong\u003e is an excellent choice for a wide range of dual-battery and multi-battery systems, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMarine vessels: separate starter and house battery banks\u003c\/li\u003e\n\u003cli\u003eCaravans and motorhomes: charging auxiliary batteries while driving\u003c\/li\u003e\n\u003cli\u003e4WD and off-road vehicles: powering winches, fridges, and camping accessories\u003c\/li\u003e\n\u003cli\u003eCommercial vehicles: maintaining separate battery systems for equipment\u003c\/li\u003e\n\u003cli\u003eOff-grid solar systems: combining multiple charge sources without back-feed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\n\u003cp\u003eWhen installing a diode battery isolator, it is important to account for the slight voltage drop across the diodes. The integrated compensation diode can be used to adjust the alternator’s voltage regulator, but in some systems, additional wiring modifications may be required. For optimal battery health and charging performance, consult the Victron ‘Energy Unlimited’ book or seek advice from a qualified auto electrician or marine installer. Proper cable sizing and termination are critical to minimise additional voltage losses and ensure safe, reliable operation.\u003c\/p\u003e\n\u003cp\u003eUpgrade your battery management system with the \u003cstrong\u003eVictron 100A Battery Isolator Argodiode 100-3AC\u003c\/strong\u003e and enjoy the peace of mind that comes with Victron’s proven reliability and engineering excellence. Whether you’re outfitting a bluewater cruiser, a remote-area tourer, or a commercial fleet vehicle, this isolator delivers the performance and durability you need to keep all your batteries charged and ready.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable class=\"product-specifications\" style=\"width:100%; border-collapse:collapse; border:1px solid #d9d9d9; table-layout:auto;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eModel\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e100-3AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eMaximum Charge Current\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e100 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eMaximum Alternator Current\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e100 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eNumber of Batteries\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eNominal Battery Voltage\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e12 V and 24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eAlternator Energize Input\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eConnection\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eM6 Studs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eCompensation Diode and Energize Connection\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e6.3 mm Faston\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eVoltage Drop\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eApproximately 0.3 V at Low Current; Approximately 0.45 V at the Rated Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e0.8 kg (1.8 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eDimensions H x W x D\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e60 x 120 x 115 mm (2.4 x 4.7 x 4.5 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Victron","offers":[{"title":"Default Title","offer_id":52364275745051,"sku":"Vic-ARG100301000R","price":104.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0854\/3354\/9083\/files\/Vic-ARG100301000R-01.jpg?v=1781657434","url":"https:\/\/www.nbcampingequipment.com.au\/products\/victron-100a-battery-isolator-argodiode-100-3ac-3","provider":"NB Camping Equipment","version":"1.0","type":"link"}