{"product_id":"4-bank-12v-marine-battery-charger-10a-per-bank","title":"4-Bank 12V Marine Battery Charger | 10A Per Bank","description":"\u003ch1\u003eEpoch 4-Bank 12V Marine Battery Charger – 10A Per Bank\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eFour batteries. Four independent charging banks. One onboard charger.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Epoch 4-Bank Onboard Marine Battery Charger provides \u003cstrong\u003efour independent 12V \/ 10A charging outputs\u003c\/strong\u003e from one permanently mounted charger. Designed for boats with multiple 12V batteries, it's an ideal solution for 36V trolling-motor systems with a separate cranking or house battery.\u003c\/p\u003e\n\u003cp\u003eEach charging bank can be configured independently for \u003cstrong\u003eLiFePO4, lead-acid, or AGM batteries\u003c\/strong\u003e, allowing you to charge different battery types from the same onboard charger.\u003c\/p\u003e\n\u003cp\u003eSimply connect one charging bank to each 12V battery and charge your entire battery system through a single AC connection.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e4 Independent Charging Banks:\u003c\/strong\u003e One dedicated 12V output for each battery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e10A Per Bank:\u003c\/strong\u003e Provides up to 10A of charging current to each connected battery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e40A Total Output:\u003c\/strong\u003e Up to 40A of combined charging capacity when all four banks are operating at full output.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMultiple Battery Chemistries:\u003c\/strong\u003e Independently select LiFePO4, lead-acid, or AGM for each bank.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLithium BMS Activation:\u003c\/strong\u003e Compatible with batteries that require charger-based BMS activation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIP67 Protection:\u003c\/strong\u003e Epoxy-filled enclosure designed for demanding marine environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eActive Cooling:\u003c\/strong\u003e Aluminum housing and temperature-controlled waterproof cooling fan help manage operating temperatures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eM8 Ring Terminals:\u003c\/strong\u003e Secure, permanent connections to each battery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndividual LED Indicators:\u003c\/strong\u003e Easily monitor power, charging, battery type, and charging status for each bank.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt-In Protection:\u003c\/strong\u003e Protection against short circuits, reverse connection, overcharging, overheating, and no-load conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAutomatic Charge Termination:\u003c\/strong\u003e Charging automatically stops when a battery reaches the charger's full-charge condition.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIdeal for 36V Trolling-Motor Systems\u003c\/h2\u003e\n\u003cp\u003eA common bass boat configuration uses \u003cstrong\u003ethree 12V batteries connected in series to create a 36V trolling-motor bank\u003c\/strong\u003e, plus a separate 12V cranking battery.\u003c\/p\u003e\n\u003cp\u003eThe Epoch 4-Bank Charger provides one independent charging channel for each battery:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBank 1 → 12V trolling battery\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eBank 2 → 12V trolling battery\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eBank 3 → 12V trolling battery\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eBank 4 → 12V cranking or house battery\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis allows each 12V battery to be charged individually while still remaining part of the approved series battery configuration.\u003c\/p\u003e\n\u003cp\u003eThe charger does \u003cstrong\u003enot\u003c\/strong\u003e connect across the entire 36V series bank. Each red\/black charging lead connects to one individual 12V battery.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e When charging batteries that remain connected in series, follow the charger and battery manufacturer's approved installation and charging instructions. Verify that the charger is approved for use with the specific battery configuration before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch2\u003e10A Per Bank – 40A Total\u003c\/h2\u003e\n\u003cp\u003eEach charging bank provides up to \u003cstrong\u003e10A of charging current\u003c\/strong\u003e independently.\u003c\/p\u003e\n\u003cp\u003eWith four batteries charging simultaneously, the charger can provide up to \u003cstrong\u003e40A of aggregate charging capacity\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eBecause each battery receives its own dedicated charging channel, the charger does not divide one 10A output between four batteries.\u003c\/p\u003e\n\u003ch2\u003eCharge Different Battery Types\u003c\/h2\u003e\n\u003cp\u003eEach charging bank has its own mode selection, allowing you to configure the charger for the battery connected to that specific bank.\u003c\/p\u003e\n\u003cp\u003eSupported battery types include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLiFePO4\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLead-Acid\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAGM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis makes the charger particularly useful for boats using \u003cstrong\u003eLiFePO4 trolling batteries with a separate AGM or lead-acid cranking battery\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Battery chemistry cannot be changed while that bank is actively charging. Disconnect the bank's DC connections before changing the selected charging mode.\u003c\/p\u003e\n\u003ch2\u003eLithium BMS Activation\u003c\/h2\u003e\n\u003cp\u003eFor compatible lithium batteries, the charger includes a \u003cstrong\u003eBMS activation function\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAfter selecting Lithium mode, hold the MODE button for approximately \u003cstrong\u003e3–5 seconds\u003c\/strong\u003e to activate the charging output when required.\u003c\/p\u003e\n\u003cp\u003eAlways verify BMS activation requirements with the battery manufacturer's instructions.\u003c\/p\u003e\n\u003ch2\u003eBuilt for the Marine Environment\u003c\/h2\u003e\n\u003ch3\u003eIP67 Epoxy-Filled Enclosure\u003c\/h3\u003e\n\u003cp\u003eThe charger features an \u003cstrong\u003eIP67-rated, epoxy-filled enclosure\u003c\/strong\u003e designed to withstand the demanding conditions found in marine applications.\u003c\/p\u003e\n\u003cp\u003eThe charger should still be mounted in a protected location. \u003cstrong\u003eDo not submerge the charger\u003c\/strong\u003e, and keep the AC plug and battery connections dry and protected.\u003c\/p\u003e\n\u003ch3\u003eActive Cooling\u003c\/h3\u003e\n\u003cp\u003eThis charger uses an \u003cstrong\u003ealuminum housing, bottom cooling plate, and temperature-controlled waterproof fan\u003c\/strong\u003e to manage heat during operation.\u003c\/p\u003e\n\u003cp\u003eMaintain at least \u003cstrong\u003e30mm of clearance\u003c\/strong\u003e around the charger and do not obstruct the fan or cooling surfaces.\u003c\/p\u003e\n\u003ch3\u003eSecure M8 Ring-Terminal Connections\u003c\/h3\u003e\n\u003cp\u003eEach charging bank is equipped with pre-wired \u003cstrong\u003eM8 ring terminals\u003c\/strong\u003e for secure connection directly to the battery.\u003c\/p\u003e\n\u003cp\u003eThe permanent connections help reduce the possibility of loose or disconnected charging leads during trailering and normal boat operation.\u003c\/p\u003e\n\u003ch2\u003eSimple Onboard Installation\u003c\/h2\u003e\n\u003cp\u003eMount the charger securely to a rigid surface using the \u003cstrong\u003e6.5mm mounting holes and appropriate M6 hardware\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eConnect:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRed → Battery Positive (+)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBlack → Battery Negative (-)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConnect one charging bank to each individual 12V battery, select the appropriate battery chemistry for each bank, and connect the charger to a properly protected AC power source.\u003c\/p\u003e\n\u003cp\u003eOnce installed, the entire battery system can be charged through \u003cstrong\u003eone AC connection\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eBuilt-In Protection\u003c\/h2\u003e\n\u003cp\u003eThe Epoch 4-Bank Charger includes multiple protection features to help protect the charger and connected batteries:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eShort-circuit protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReverse-connection protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOvercharge protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOvertemperature protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNo-load protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAutomatic charge termination\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eImportant Installation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e12V batteries only:\u003c\/strong\u003e Each charger output must connect to one individual 12V battery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDo not connect a single bank across a 24V, 36V, or 48V battery bank.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSelect the correct charging profile for the battery connected to each bank.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDo not change battery chemistry while a bank is charging.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFollow the battery manufacturer's charging requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFor series-connected batteries, verify the manufacturer's approved method for onboard charging before installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain adequate ventilation and cooling clearance around the charger.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eKeep the AC plug and battery terminals dry and protected.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe charger does not replace required battery switches, fuses, circuit protection, or other boat wiring protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEpoch Batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel \/ SKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCHG-4BAY-12V10A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharger Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-Bank Onboard Marine Battery Charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Banks\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 Independent Banks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V per bank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10A per bank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Aggregate Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Batteries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLiFePO4, Lead-Acid, AGM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAC Input Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e105–125VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAC Input Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAC Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntegrated grounded AC cord with North American plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Connections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM8 Ring Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Fuse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15A per 12V \/ 10A output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEpoxy-filled aluminum housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTemperature-controlled waterproof fan + aluminum cooling plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-4°F to 104°F (-20°C to 40°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Hole Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Mounting Hardware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.18\" × 9.65\" × 3.90\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRequired Clearance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMore than 30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBMS Activation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes, compatible lithium batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShort-Circuit Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReverse-Connection Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOvercharge Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOvertemperature Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNo-Load Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eEpoch 4-Bank 12V \/ 10A Onboard Marine Battery Charger\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFour pre-wired M8 ring-terminal charging leads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated AC power cord\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstallation hardware\/instructions as supplied by the manufacturer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3\u003eNeed Help Choosing a Charger?\u003c\/h3\u003e\n\u003cp\u003eNot sure if this charger is compatible with your battery setup?\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eContact Direct Current Boatworks—we're happy to help you find the right charging solution for your boat.\u003c\/strong\u003e\u003c\/p\u003e","brand":"EPOCH","offers":[{"title":"Default Title","offer_id":47434889986221,"sku":null,"price":399.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0620\/0741\/0861\/files\/ChatGPT_Image_Aug_12_2026_05_17_44_PM.avif?v=1788891262","url":"https:\/\/directcurrentboatworks.com\/products\/4-bank-12v-marine-battery-charger-10a-per-bank","provider":"DIRECT CURRENT BOATWORKS ","version":"1.0","type":"link"}