{"product_id":"epoch-12v-36v-onboard-marine-lithium-battery-charger","title":"Epoch 12V \u0026 36V Onboard Marine Lithium Battery Charger, 2-Bank, 12V\/15A + 36V\/10A, IP67, for Bass Boats","description":"\u003cstyle\u003e.hs-pdp{--g:#008080;--a:#20b1aa;--ink:#16394f;--mut:#617681;--lt:#eaf7fa;--line:#dcecef;--deep:#0b4354;color:var(--ink)!important;font-size:18px;line-height:1.6}.hs-pdp *{box-sizing:border-box}.hs-pdp h2{font-size:1.45em;margin:2rem 0 .8rem;line-height:1.3;color:var(--ink)!important}.hs-pdp h3{font-size:1.08em;margin:0 0 .35rem;color:var(--ink)!important}.hs-pdp p{margin:0 0 .9rem}.hs-pdp .hs-badges{display:grid;grid-template-columns:repeat(3,1fr);gap:.6rem;margin:0 0 1.3rem;padding:0;list-style:none}.hs-pdp .hs-badges li{display:flex;align-items:center;gap:.55rem;background:var(--lt);border:1px solid #cdeaec;border-radius:10px;padding:.6rem .75rem;font-size:.92em;font-weight:600;line-height:1.3}.hs-pdp .hs-badges 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td{padding:.6rem .8rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.hs-pdp tr:last-child th,.hs-pdp tr:last-child td{border-bottom:0}.hs-pdp tbody th{background:#f4fafb;width:42%;font-weight:600}.hs-pdp .hs-group td{background:var(--lt);font-weight:700;color:var(--g)!important;text-transform:uppercase;font-size:.82em;letter-spacing:.04em}.hs-pdp details{border:1px solid var(--line);border-radius:10px;margin:0 0 .5rem}.hs-pdp summary{cursor:pointer;padding:.9rem 2.4rem .9rem 1rem;font-weight:600;list-style:none;position:relative}.hs-pdp summary::-webkit-details-marker{display:none}.hs-pdp summary::after{content:'+';position:absolute;right:1rem;top:50%;transform:translateY(-50%);font-size:1.35em;color:var(--g)}.hs-pdp details[open] summary::after{content:'–'}.hs-pdp details\u003ediv{padding:0 1rem .9rem;color:var(--mut)!important}.hs-pdp .hs-mini{font-size:.87em;color:var(--mut)!important}.hs-pdp a{color:var(--g)!important}.hs-pdp .hs-docs a{display:inline-block;border:1px solid var(--line);border-radius:12px;padding:.9rem 1rem;text-decoration:none;font-weight:600;margin:.2rem .3rem .2rem 0}.hs-pdp .hs-cta{background:var(--deep);border-radius:14px;padding:1.5rem 1.2rem;margin:2rem 0 .5rem;text-align:center}.hs-pdp .hs-cta h2,.hs-pdp .hs-cta p{color:#fff!important;text-align:center;margin:0 0 .6rem}.hs-pdp .hs-cta a{display:inline-block;background:#fff;color:var(--g)!important;text-decoration:none;font-weight:700;border-radius:999px;padding:.7rem 1.4rem;margin:.3rem}@media(max-width:749px){.hs-pdp{font-size:17px;line-height:1.7}.hs-pdp .hs-badges,.hs-pdp .hs-stats{grid-template-columns:repeat(2,1fr)}.hs-pdp .hs-grid,.hs-pdp .hs-kit{grid-template-columns:1fr}.hs-pdp .hs-cta a{display:block}}\u003c\/style\u003e\u003cdiv class=\"hs-pdp\"\u003e\n\u003cul class=\"hs-badges\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hs-emo\"\u003e🚤\u003c\/span\u003e\u003cspan\u003eBuilt for Bass Boats\u003csmall\u003e12V + 36V in one charger\u003c\/small\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hs-emo\"\u003e🔋\u003c\/span\u003e\u003cspan\u003e2 Independent Banks\u003csmall\u003e12V\/15A + 36V\/10A\u003c\/small\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hs-emo\"\u003e💧\u003c\/span\u003e\u003cspan\u003eIP67 Epoxy-Filled\u003csmall\u003eFor onboard mounting\u003c\/small\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hs-emo\"\u003e⚡\u003c\/span\u003e\u003cspan\u003eLithium BMS Wake-Up\u003csmall\u003eRevives sleeping batteries\u003c\/small\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hs-emo\"\u003e🇺🇸\u003c\/span\u003e\u003cspan\u003eFree Shipping\u003csmall\u003eContiguous 48 states\u003c\/small\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hs-emo\"\u003e📞\u003c\/span\u003e\u003cspan\u003eReal Human Support\u003csmall\u003eWiring questions\u003c\/small\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"hs-lead\"\u003e\u003cstrong\u003eEpoch 12V \u0026amp; 36V Onboard Marine Charger: one permanently mounted charger for your 12V cranking or house battery and your 36V lithium trolling-motor battery.\u003c\/strong\u003e Two independent banks charge both batteries at the same time from one AC plug: 12V at 15A (LiFePO4, AGM or lead-acid mode) and 36V at 10A for a compatible 36V LiFePO4 battery. It's epoxy-filled to IP67, uses pre-wired M8 ring terminals, and stops automatically when each battery is full.\u003c\/p\u003e\n\u003cdiv class=\"hs-stats\"\u003e\n\u003cdiv class=\"hs-stat\"\u003e\n\u003cb\u003e12V\/15A\u003c\/b\u003e\u003cspan\u003eBank 1\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hs-stat\"\u003e\n\u003cb\u003e36V\/10A\u003c\/b\u003e\u003cspan\u003eBank 2\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hs-stat\"\u003e\n\u003cb\u003eIP67\u003c\/b\u003e\u003cspan\u003eEpoxy-filled\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hs-stat\"\u003e\n\u003cb\u003e120V\u003c\/b\u003e\u003cspan\u003eAC input\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"hs-mini\"\u003eSpecs from Epoch Batteries' product page and manual.\u003c\/p\u003e\n\u003ch2\u003e🔍 Will It Work on My Boat?\u003c\/h2\u003e\n\u003cul class=\"hs-chips\"\u003e\n\u003cli\u003eBass boats\u003c\/li\u003e\n\u003cli\u003eFishing boats\u003c\/li\u003e\n\u003cli\u003ePontoons\u003c\/li\u003e\n\u003cli\u003eCenter consoles\u003c\/li\u003e\n\u003cli\u003eSkiffs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"hs-callout\"\u003e\n\u003cstrong\u003e📏 Quick check before you order:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eYou have \u003cstrong\u003eone 12V battery\u003c\/strong\u003e (LiFePO4, AGM or lead-acid) and \u003cstrong\u003eone native 36V LiFePO4\u003c\/strong\u003e trolling-motor battery.\u003c\/li\u003e\n\u003cli\u003eRunning three 12V batteries in series for 36V? Epoch says not to assume the 36V bank will balance them; the \u003cstrong\u003e4-bank 12V charger\u003c\/strong\u003e is the better fit.\u003c\/li\u003e\n\u003cli\u003eYou can mount it on a rigid surface with \u003cstrong\u003emore than 30mm of clearance\u003c\/strong\u003e for the cooling fan, near a grounded 120V outlet.\u003c\/li\u003e\n\u003c\/ul\u003eNot sure? Tell us your batteries and boat, and we'll confirm the right charger.\u003c\/div\u003e\n\u003ch2\u003eWhy This Charger\u003c\/h2\u003e\n\u003cdiv class=\"hs-grid\"\u003e\n\u003cdiv class=\"hs-card\"\u003e\n\u003cspan class=\"hs-emo\"\u003e🔌\u003c\/span\u003e\u003ch3\u003eOne Plug, Two Batteries\u003c\/h3\u003e\n\u003cp\u003eReplaces separate 12V and 36V chargers without connecting the two battery systems together.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hs-card\"\u003e\n\u003cspan class=\"hs-emo\"\u003e🔧\u003c\/span\u003e\u003ch3\u003eSelectable 12V Modes\u003c\/h3\u003e\n\u003cp\u003eSet the 12V bank to LiFePO4, AGM or lead-acid to match your cranking or house battery.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hs-card\"\u003e\n\u003cspan class=\"hs-emo\"\u003e⚡\u003c\/span\u003e\u003ch3\u003eBMS Activation\u003c\/h3\u003e\n\u003cp\u003eHold the bank button 3–5 seconds to wake a compatible lithium battery that's gone into low-voltage protection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hs-card\"\u003e\n\u003cspan class=\"hs-emo\"\u003e✅\u003c\/span\u003e\u003ch3\u003eAuto Shutoff\u003c\/h3\u003e\n\u003cp\u003eEach bank tapers as it fills, turns green and stops on its own when the battery is full.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hs-card\"\u003e\n\u003cspan class=\"hs-emo\"\u003e💧\u003c\/span\u003e\u003ch3\u003eMade for Wet Spaces\u003c\/h3\u003e\n\u003cp\u003eEpoxy-filled IP67 enclosure with an aluminum housing and a waterproof, temperature-controlled fan.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hs-card\"\u003e\n\u003cspan class=\"hs-emo\"\u003e🛡️\u003c\/span\u003e\u003ch3\u003eBuilt-In Protection\u003c\/h3\u003e\n\u003cp\u003eReverse-connection, short-circuit, overcharge, overtemperature and no-load protection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003e📦 What's in the Box\u003c\/h2\u003e\n\u003cul class=\"hs-kit\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hs-k\"\u003e🔌\u003c\/span\u003e\u003cspan\u003e1 × Epoch 2-bank onboard charger\u003csmall\u003eWith integrated grounded AC cord\u003c\/small\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hs-k\"\u003e🔴\u003c\/span\u003e\u003cspan\u003ePre-wired battery leads\u003csmall\u003eM8 ring terminals, red positive \/ black negative\u003c\/small\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"hs-callout\"\u003e\n\u003cstrong\u003eNot included:\u003c\/strong\u003e batteries, M6 mounting screws, DC fusing and battery disconnects.\u003c\/div\u003e\n\u003ch2\u003e📋 Specifications\u003c\/h2\u003e\n\u003cdiv class=\"hs-tablewrap\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr class=\"hs-group\"\u003e\u003ctd colspan=\"2\"\u003eInput\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAC input\u003c\/th\u003e\n\u003ctd\u003e105–125VAC, 60Hz, grounded plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hs-group\"\u003e\u003ctd colspan=\"2\"\u003eOutputs\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBank 1\u003c\/th\u003e\n\u003ctd\u003e12V \/ 15A; LiFePO4, lead-acid or AGM mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBank 2\u003c\/th\u003e\n\u003ctd\u003e36V \/ 10A; compatible 36V LiFePO4 only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReplacement fuses\u003c\/th\u003e\n\u003ctd\u003e20A (12V bank), 15A (36V bank)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBattery connections\u003c\/th\u003e\n\u003ctd\u003ePre-wired M8 ring terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hs-group\"\u003e\u003ctd colspan=\"2\"\u003eBuild \u0026amp; Mounting\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection rating\u003c\/th\u003e\n\u003ctd\u003eIP67, epoxy-filled enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCooling\u003c\/th\u003e\n\u003ctd\u003eAluminum housing, cooling plate, waterproof fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking temperature\u003c\/th\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\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003eAbout 10.79 × 9.65 × 3.90 in (274 × 245 × 99 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003e6.5mm holes, M6 screws; more than 30mm clearance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel \/ SKU\u003c\/th\u003e\n\u003ctd\u003eCHG-2BAY-12V36V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003ch2\u003e📄 Manuals \u0026amp; Downloads\u003c\/h2\u003e\n\u003cdiv class=\"hs-docs\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0251\/0484\/2798\/files\/CHG-2BAY-12V36V_CHG-4BAY-12V10A_Manual_6.18_1_-1.pdf?v=1787915894\" target=\"_blank\" rel=\"noopener\"\u003e📘 Epoch onboard charger manual (PDF) ↗\u003c\/a\u003e\u003c\/div\u003e\n\u003ch2\u003e❓ Common Questions\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eCan it charge both batteries at the same time?\u003c\/summary\u003e\u003cdiv\u003eYes. The 12V and 36V banks work independently, so both charge at once from one AC plug.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I leave it plugged in?\u003c\/summary\u003e\u003cdiv\u003eEach bank stops charging once its battery is full. For long-term storage, follow your battery manufacturer's storage guidance too.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I charge a frozen lithium battery?\u003c\/summary\u003e\u003cdiv\u003eNo. Don't charge LiFePO4 below 32°F unless the battery is self-heating or its manufacturer allows it.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow long will charging take?\u003c\/summary\u003e\u003cdiv\u003eRoughly divide the battery's amp-hours by the bank's output (15A or 10A), then allow extra time as charging tapers.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdiv class=\"hs-cta\"\u003e\n\u003ch2\u003eQuestions? Ask Us First.\u003c\/h2\u003e\n\u003cp\u003eTell us your boat and batteries, and we'll confirm the right charger before you order.\u003c\/p\u003e\n\u003ca href=\"tel:+18336647433\"\u003e📞 Call 833-664-7433\u003c\/a\u003e\u003ca href=\"mailto:info@homesteadsupplyonline.com\"\u003e📧 Email Us\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Epoch Batteries","offers":[{"title":"Default Title","offer_id":54110104092867,"sku":"CHG-2BAY-12V36V","price":349.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/1800\/9539\/files\/ChatGPT_Image_Aug_12_2026_05_18_17_PM.png?v=1793295730","url":"https:\/\/www.homesteadsupplyonline.com\/products\/epoch-12v-36v-onboard-marine-lithium-battery-charger","provider":"Homestead Supply Online","version":"1.0","type":"link"}