{"product_id":"shark™-bi-directional-dc-dc-charger","title":"Abyss Battery  Bi-Directional DC-DC Charger - AB-MDX13-60","description":"\u003ch2\u003eAbyss Battery  Bi-Directional DC-DC Charger - AB-MDX13-60\u003c\/h2\u003e\n\u003cp\u003e The  from Abyss Battery is a marine-grade, high-performance power management device designed to transfer electrical energy seamlessly between different battery systems. Its bi-directional functionality allows it to operate as both a charger and a converter, making it suitable for managing 12V and 36V lithium battery systems onboard boats.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaterials and Construction:\u003c\/strong\u003e The charger features a corrosion-resistant aluminum casing with marine-grade sealing, ensuring durability in harsh marine environments. Internally, it employs electronic components rated for continuous operation at a maximum output of 720W, with protection circuits against overcurrent, overvoltage, and thermal overload for enhanced reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions and Weight:\u003c\/strong\u003e The unit measures approximately 12 inches in length, 8 inches in width, and 4 inches in height, with an estimated weight of 4.5 kilograms. It is designed for easy installation within standard marine battery compartments or electrical panels.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eBi-directional power transfer capabilities facilitate charging and power sharing between 12V engine and 24V\/36V lithium systems\u003c\/li\u003e\n\u003cli\u003eMaximum output power of 720W (12V 60A) for efficient charging of lithium batteries\u003c\/li\u003e\n\u003cli\u003eAdaptive transfer mode based on battery status and load demands\u003c\/li\u003e\n\u003cli\u003eBuilt-in protection features include overcurrent, overvoltage, thermal regulation, and short-circuit protection\u003c\/li\u003e\n\u003cli\u003eCompatible with lithium, AGM, and lead-acid batteries, emphasizing versatility for different marine applications\u003c\/li\u003e\n\u003cli\u003eBattery management system integration supports optimal charge cycles and prolongs battery lifespan\u003c\/li\u003e\n\u003cli\u003eLED indicators display operational status, voltage levels, and fault conditions\u003c\/li\u003e\n\u003cli\u003eWeather-resistant construction ensures sustained operation in marine environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1bt1436\" data-start=\"28\" data-end=\"316\"\u003e\n\u003cstrong data-start=\"30\" data-end=\"71\"\u003eTrue bi-directional energy management\u003c\/strong\u003e – The AB-MDX13-60 intelligently transfers power both ways, charging \u003cstrong data-start=\"140\" data-end=\"197\"\u003e36V\/24V lithium trolling systems from 12V alternators\u003c\/strong\u003e and sending power back to maintain the starter battery when the engine is off. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1fu6quc\" data-start=\"317\" data-end=\"537\"\u003e\n\u003cstrong data-start=\"319\" data-end=\"351\"\u003eHigh-output 720W performance\u003c\/strong\u003e – Delivers up to \u003cstrong data-start=\"369\" data-end=\"392\"\u003e12V 60A input power\u003c\/strong\u003e, enabling fast recharge of large lithium banks and significantly reducing downtime between fishing runs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qwuit6\" data-start=\"538\" data-end=\"738\"\u003e\n\u003cstrong data-start=\"540\" data-end=\"572\"\u003eMarine-grade IP67 protection\u003c\/strong\u003e – Fully sealed, die-cast aluminum construction ensures reliable operation in wet, saltwater, and high-vibration environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"16gl3q3\" data-start=\"739\" data-end=\"943\"\u003e\n\u003cstrong data-start=\"741\" data-end=\"770\"\u003eSmart automatic switching\u003c\/strong\u003e – Software-controlled logic automatically manages boost (12V → 36V) and buck (36V → 12V) modes with no manual intervention required. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15by5pa\" data-start=\"944\" data-end=\"1118\"\u003e\n\u003cstrong data-start=\"946\" data-end=\"980\"\u003eUltra-efficient power transfer\u003c\/strong\u003e – Achieves up to \u003cstrong data-start=\"998\" data-end=\"1017\"\u003e~95% efficiency\u003c\/strong\u003e, minimizing energy loss and maximizing usable onboard power. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zum7j2\" data-start=\"1119\" data-end=\"1317\"\u003e\n\u003cstrong data-start=\"1121\" data-end=\"1156\"\u003eSystem simplification advantage\u003c\/strong\u003e – Reduces or eliminates the need for separate house batteries, cutting weight, wiring complexity, and installation cost. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"nekfra\" data-start=\"1318\" data-end=\"1527\"\u003e\n\u003cstrong data-start=\"1320\" data-end=\"1351\"\u003eAdvanced safety integration\u003c\/strong\u003e – Built-in protections against over-voltage, over-temperature, and short circuits ensure stable operation in demanding marine conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"fb7b42e1-c355-4cce-9426-711482b01892\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-(--header-height)\" dir=\"auto\" data-turn-id=\"fb7b42e1-c355-4cce-9426-711482b01892\" data-turn-id-container=\"fb7b42e1-c355-4cce-9426-711482b01892\" data-testid=\"conversation-turn-19\" data-scroll-anchor=\"false\" data-turn=\"user\"\u003e\u003c\/section\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:5c6707ee-0202-4d8f-8cd2-91ebfa6b2797-9\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:5c6707ee-0202-4d8f-8cd2-91ebfa6b2797-9\" data-turn-id-container=\"request-WEB:5c6707ee-0202-4d8f-8cd2-91ebfa6b2797-9\" data-testid=\"conversation-turn-20\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"46c4e773-1416-448e-9013-dc419267be29\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"268\"\u003e\u003cstrong data-start=\"0\" data-end=\"83\"\u003eQ: What is the Abyss Battery Bi-Directional DC-DC Charger AB-MDX13-60 used for?\u003c\/strong\u003e\u003cbr data-start=\"83\" data-end=\"86\"\u003eA: It is a smart DC-DC charging system that transfers power between lithium batteries and vehicle\/marine electrical systems, enabling efficient multi-battery charging and management.\u003c\/p\u003e\n\u003cp data-start=\"270\" data-end=\"482\"\u003e\u003cstrong data-start=\"270\" data-end=\"309\"\u003eQ: What does “bi-directional” mean?\u003c\/strong\u003e\u003cbr data-start=\"309\" data-end=\"312\"\u003eA: It means the charger can both charge a secondary battery from a primary source and also reverse charge back when needed, balancing power between systems automatically.\u003c\/p\u003e\n\u003cp data-start=\"484\" data-end=\"661\"\u003e\u003cstrong data-start=\"484\" data-end=\"544\"\u003eQ: Is the AB-MDX13-60 compatible with lithium batteries?\u003c\/strong\u003e\u003cbr data-start=\"544\" data-end=\"547\"\u003eA: Yes, it is designed for LiFePO4 lithium battery systems commonly used in marine, RV, and off-grid applications.\u003c\/p\u003e\n\u003cp data-start=\"663\" data-end=\"872\"\u003e\u003cstrong data-start=\"663\" data-end=\"719\"\u003eQ: What are the main benefits of this DC-DC charger?\u003c\/strong\u003e\u003cbr data-start=\"719\" data-end=\"722\"\u003eA: It improves charging efficiency, protects batteries from over-discharge, enables smart power distribution, and supports dual-battery system setups.\u003c\/p\u003e\n\u003cp data-start=\"874\" data-end=\"1036\"\u003e\u003cstrong data-start=\"874\" data-end=\"912\"\u003eQ: Can it be used in boats or RVs?\u003c\/strong\u003e\u003cbr data-start=\"912\" data-end=\"915\"\u003eA: Yes, it is ideal for marine and RV applications where multiple battery banks and reliable power transfer are required.\u003c\/p\u003e\n\u003cp data-start=\"1038\" data-end=\"1227\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1038\" data-end=\"1089\"\u003eQ: Does it include battery protection features?\u003c\/strong\u003e\u003cbr data-start=\"1089\" data-end=\"1092\"\u003eA: Yes, it includes over-voltage, over-current, short-circuit, thermal protection, and intelligent charging control for safe operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:f57ab130-161d-4bba-8075-1cc8f84b0c4b-11\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:f57ab130-161d-4bba-8075-1cc8f84b0c4b-11\" data-turn-id-container=\"request-WEB:f57ab130-161d-4bba-8075-1cc8f84b0c4b-11\" data-testid=\"conversation-turn-24\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-3 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"2b55948f-f3f2-4f9e-b0c1-b6ff40bb16e3\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cul data-start=\"109\" data-end=\"1821\"\u003e\n\u003cli data-section-id=\"1judj6q\" data-start=\"109\" data-end=\"240\"\u003eInstall in a \u003cstrong data-start=\"124\" data-end=\"160\"\u003edry, well-ventilated marine area\u003c\/strong\u003e with proper airflow for passive cooling \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"g7brxe\" data-start=\"241\" data-end=\"352\"\u003eEnsure \u003cstrong data-start=\"250\" data-end=\"269\"\u003esecure mounting\u003c\/strong\u003e to prevent vibration damage during boating \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"bnh50w\" data-start=\"353\" data-end=\"477\"\u003eUse correct \u003cstrong data-start=\"367\" data-end=\"418\"\u003ewire gauge + external fusing (no built-in fuse)\u003c\/strong\u003e for safe operation \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"spjwso\" data-start=\"478\" data-end=\"612\"\u003eKeep all \u003cstrong data-start=\"489\" data-end=\"537\"\u003econnections tight, clean, and corrosion-free\u003c\/strong\u003e (critical for marine environments) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ngi5sr\" data-start=\"613\" data-end=\"691\"\u003eAvoid \u003cstrong data-start=\"621\" data-end=\"666\"\u003ewater spray exposure despite IP67 sealing\u003c\/strong\u003e and protect connectors\u003c\/li\u003e\n\u003cli data-section-id=\"1b44r3p\" data-start=\"692\" data-end=\"805\"\u003eDo not \u003cstrong data-start=\"701\" data-end=\"737\"\u003econnect or disconnect under load\u003c\/strong\u003e to prevent arcing or damage \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"f591di\" data-start=\"806\" data-end=\"889\"\u003eRegularly inspect \u003cstrong data-start=\"826\" data-end=\"863\"\u003ecables, terminals, and insulation\u003c\/strong\u003e for wear or overheating\u003c\/li\u003e\n\u003cli data-section-id=\"177joz7\" data-start=\"890\" data-end=\"1026\"\u003eMaintain \u003cstrong data-start=\"901\" data-end=\"962\"\u003eproper voltage range (12V ↔ 24V\/36V system compatibility)\u003c\/strong\u003e to avoid fault triggers \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"rtsf6c\" data-start=\"1027\" data-end=\"1092\"\u003eKeep unit free of \u003cstrong data-start=\"1047\" data-end=\"1090\"\u003esalt buildup and moisture contamination\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1yog6jj\" data-start=\"1093\" data-end=\"1223\"\u003eAllow \u003cstrong data-start=\"1101\" data-end=\"1160\"\u003enatural cooling clearance (no obstruction on all sides)\u003c\/strong\u003e for thermal efficiency \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1yfro1m\" data-start=\"1224\" data-end=\"1350\"\u003eMonitor \u003cstrong data-start=\"1234\" data-end=\"1284\"\u003eLED status indicators (charge, standby, fault)\u003c\/strong\u003e for early issue detection \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1orzdqa\" data-start=\"1351\" data-end=\"1466\"\u003eAvoid operation in \u003cstrong data-start=\"1372\" data-end=\"1426\"\u003eextreme heat beyond rated derating limits (~40°C+)\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15ysfgr\" data-start=\"1467\" data-end=\"1564\"\u003eEnsure system wiring is \u003cstrong data-start=\"1493\" data-end=\"1562\"\u003einstalled per manufacturer diagram (boost\/buck direction correct)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1vzw1rs\" data-start=\"1565\" data-end=\"1690\"\u003ePeriodically verify \u003cstrong data-start=\"1587\" data-end=\"1650\"\u003esystem health and battery communication (CAN\/RS485 if used)\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1oz4zm8\" data-start=\"1691\" data-end=\"1821\"\u003eStore boat system powered off when idle to minimize \u003cstrong data-start=\"1745\" data-end=\"1781\"\u003esleep-mode drain efficiency loss\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"delayed-open\" aria-describedby=\"radix-_r_6s_\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Abyss Battery","offers":[{"title":"Default Title","offer_id":45672037548223,"sku":"AB-MDX13-60","price":1139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/SHARK-MDX-36V-Alternator-Charger.png?v=1780263364","url":"https:\/\/backyardprovider.com\/products\/shark%e2%84%a2-bi-directional-dc-dc-charger","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}