{"product_id":"victron-battery-diode-40a-combiner-2-batteries","title":"Victron Energy - 12\/24V - 40A - Battery Diode Combiner | 2 Batteries","description":"\u003ch2\u003eVictron Argo Diode Battery Combiner: Reliable DC Power Isolation for Critical Systems\u003c\/h2\u003e\n\u003ch3\u003eContinuous Power Supply with Schottky Diode Technology\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eVictron Argo Diode Battery Combiner\u003c\/strong\u003e is engineered to maintain uninterrupted DC power to mission-critical equipment by enabling parallel operation of two independent battery banks. Using high-performance \u003cstrong\u003eSchottky diodes\u003c\/strong\u003e, it ensures that a failure in one power source does not compromise the load, making it an essential component for electronic engine controls, navigation systems, and communication setups where power continuity is non-negotiable.\u003c\/p\u003e\n\u003cp\u003eUnlike generic diode combiners that suffer from excessive voltage drop and heat buildup, the Argo series leverages Schottky diode technology to minimise forward voltage loss. At low current, the drop is approximately 0.3 V, rising to only 0.45 V at the rated 40 A output. This efficiency reduces energy waste and thermal stress, contributing to longer service life and stable performance in demanding environments.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e40 A continuous current rating\u003c\/strong\u003e for robust power handling in 12 V and 24 V DC systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual battery input isolation\u003c\/strong\u003e prevents reverse current flow, protecting each bank from faults in the other\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow forward voltage drop\u003c\/strong\u003e (0.3 V at low current, 0.45 V at rated output) thanks to Schottky diodes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated aluminium heat sink\u003c\/strong\u003e with blue anodised cooling fins for effective thermal management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM6 bolt terminals\u003c\/strong\u003e (approx. 1\/4\"-20) for secure, low-resistance connections with heavy-duty lugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact footprint\u003c\/strong\u003e (60 x 120 x 75 mm) and lightweight 0.8 kg design for flexible installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineered for Mission-Critical Reliability\u003c\/h3\u003e\n\u003cp\u003eIn applications such as marine electronics, emergency systems, and off-grid power setups, a single battery failure can lead to costly downtime or safety risks. The Victron Argo Diode Combiner mitigates this by isolating each battery bank. If one battery develops a short circuit or becomes discharged, the diode path blocks reverse current, allowing the healthy battery to continue supplying the load without interruption. This isolation also simplifies maintenance, as batteries can be serviced or replaced individually without shutting down the entire system.\u003c\/p\u003e\n\u003cp\u003eThe device's \u003cstrong\u003eM6 bolt terminals\u003c\/strong\u003e (approx. 1\/4\"-20) accommodate heavy-gauge cables, ensuring minimal resistive losses even at full 40 A load. The extruded aluminium heat sink dissipates heat efficiently, but note that the surface can become hot during operation; mount only on a non-flammable surface and allow adequate ventilation.\u003c\/p\u003e\n\u003ch3\u003eVersatile Integration for 12 V and 24 V Systems\u003c\/h3\u003e\n\u003cp\u003eCompatible with both 12 V and 24 V nominal battery voltages, this combiner suits a wide range of DC architectures. Whether you are building a redundant power supply for a marine navigation suite, a backup system for an off-grid solar installation, or a dual-battery setup in a vehicle, the Argo Diode Combiner provides a straightforward, solid-state solution with no moving parts to wear out.\u003c\/p\u003e\n\u003cp\u003eTypical use cases include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eElectronic engine control units (ECUs) on vessels and industrial machinery\u003c\/li\u003e\n\u003cli\u003eRedundant power for communication radios and navigation instruments\u003c\/li\u003e\n\u003cli\u003eDual-battery systems in 4WDs, caravans, and camper trailers\u003c\/li\u003e\n\u003cli\u003eBackup power for security systems and remote monitoring equipment\u003c\/li\u003e\n\u003cli\u003eSolar-charged battery banks where isolation prevents backfeed at night\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\n\u003cp\u003eFor optimal performance, use appropriately sized cables to minimise voltage drop. The M6 terminals accept ring lugs suitable for high-current wiring. Ensure the mounting surface is non-flammable and allows airflow around the heat sink. While the diode combiner is inherently reliable, proper fusing on each battery input is recommended to protect against overcurrent conditions.\u003c\/p\u003e\n\u003ch3\u003eSecure Your Critical DC Power Today\u003c\/h3\u003e\n\u003cp\u003eEquip your system with the \u003cstrong\u003eVictron Argo Diode Battery Combiner\u003c\/strong\u003e to achieve dependable power redundancy. Whether you are upgrading a marine electrical panel or building a fail-safe off-grid supply, this combiner delivers the isolation and efficiency your equipment demands. Add it to your setup now and ensure continuous operation when it matters most.\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;\"\u003eBCD 402\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 Continuous Current\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e40 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;\"\u003e2\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;\"\u003eConnection\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eM6 Bolts\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;\"\u003eDiode Type\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eSchottky Diodes\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 at Low Current\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eApproximately 0.3 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;\"\u003eVoltage Drop at Rated Output\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eApproximately 0.45 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;\"\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 75 mm\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 in Inches)\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e2.4 x 4.7 x 3.0 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Victron","offers":[{"title":"Default Title","offer_id":52364326469915,"sku":"Vic-BCD000402000","price":62.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0854\/3354\/9083\/files\/Vic-BCD000402000-01.jpg?v=1781657713","url":"https:\/\/www.nbcampingequipment.com.au\/products\/victron-battery-diode-40a-combiner-2-batteries","provider":"NB Camping Equipment","version":"1.0","type":"link"}