{"product_id":"epoch-dual-output-12v-36v-marine-dc-dc-charger","title":"Epoch Dual-Output 12V\/36V Marine DC-DC Charger, Charge on the Run, 12V\/10A + 36V\/10A, IP67","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\u003eCharge on the Run\u003csmall\u003eFrom your outboard's charging system\u003c\/small\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hs-emo\"\u003e🔋\u003c\/span\u003e\u003cspan\u003e2 Outputs\u003csmall\u003e12V\/10A + 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\u003eAuto Start \u0026amp; Stop\u003csmall\u003eVoltage-sensing\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\u003eOnboard mounting\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 Dual-Output 12V\/36V Marine DC-DC Charger: top up your electronics battery and your 36V trolling-motor battery while the engine runs.\u003c\/strong\u003e It draws from a 12V or 24V starter-battery system and charges two separate batteries through independent outputs: 12V at 10A and 36V at 10A. It starts when the engine raises the starter voltage and stops when it drops, so it won't drain your starting battery while you fish.\u003c\/p\u003e\n\u003cdiv class=\"hs-stats\"\u003e\n\u003cdiv class=\"hs-stat\"\u003e\n\u003cb\u003e12V\/10A\u003c\/b\u003e\u003cspan\u003eOutput 1\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hs-stat\"\u003e\n\u003cb\u003e36V\/10A\u003c\/b\u003e\u003cspan\u003eOutput 2\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hs-stat\"\u003e\n\u003cb\u003e12V or 24V\u003c\/b\u003e\u003cspan\u003eStarter source\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hs-stat\"\u003e\n\u003cb\u003e~480W\u003c\/b\u003e\u003cspan\u003eCombined output\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\u003eTournament fishing\u003c\/li\u003e\n\u003cli\u003e12V starter systems\u003c\/li\u003e\n\u003cli\u003e24V starter systems\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\u003eYour starter system is \u003cstrong\u003e12V or 24V\u003c\/strong\u003e. A 36V battery can't be used as the input.\u003c\/li\u003e\n\u003cli\u003eYou have a \u003cstrong\u003eseparate\u003c\/strong\u003e 12V electronics or house battery. Don't connect the 12V output back to the starter battery.\u003c\/li\u003e\n\u003cli\u003eYour outboard's alternator has \u003cstrong\u003espare capacity\u003c\/strong\u003e after your boat's other loads. Both outputs together draw a lot from a 12V system.\u003c\/li\u003e\n\u003cli\u003eIt's \u003cstrong\u003enon-isolated\u003c\/strong\u003e: follow Epoch's wiring diagram exactly, with proper fusing and grounding.\u003c\/li\u003e\n\u003c\/ul\u003eNot sure your alternator can handle it? Send us your outboard model and we'll check.\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\u003eMore Time on the Water\u003c\/h3\u003e\n\u003cp\u003eAdds charge to both auxiliary batteries every time you run between spots.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hs-card\"\u003e\n\u003cspan class=\"hs-emo\"\u003e🧠\u003c\/span\u003e\u003ch3\u003eAutomatic Operation\u003c\/h3\u003e\n\u003cp\u003eOn a 12V source it starts above 13.8V and stops below 13.0V; on 24V, above 26.8V and below 25.2V.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hs-card\"\u003e\n\u003cspan class=\"hs-emo\"\u003e🔧\u003c\/span\u003e\u003ch3\u003eAny Battery Type\u003c\/h3\u003e\n\u003cp\u003eEach output can be set to LiFePO4, AGM or lead-acid.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hs-card\"\u003e\n\u003cspan class=\"hs-emo\"\u003e⚡\u003c\/span\u003e\u003ch3\u003eBMS Wake-Up\u003c\/h3\u003e\n\u003cp\u003eWakes 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\u003eMarine-Tough\u003c\/h3\u003e\n\u003cp\u003eEpoxy-filled IP67 enclosure with aluminum cooling and a waterproof 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\u003eShort-circuit, reverse-connection, overcharge and overtemperature 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 dual-output DC-DC charger\u003csmall\u003eModel CHG-DC-12V36V\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 leads\u003csmall\u003eInput, 12V output and 36V output, with ring terminals\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, DC fuses, disconnects, extra cable and M6 mounting screws. A DC-DC charger adds charge on the run but doesn't replace a full AC charge at the dock, so pair it with an onboard AC charger.\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\u003eSource systems\u003c\/th\u003e\n\u003ctd\u003e12V or 24V starter battery (13–30VDC); 36V input not supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e12V source start \/ stop\u003c\/th\u003e\n\u003ctd\u003eAbove 13.8V \/ below 13.0V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e24V source start \/ stop\u003c\/th\u003e\n\u003ctd\u003eAbove 26.8V \/ below 25.2V\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\u003eOutput 1\u003c\/th\u003e\n\u003ctd\u003e12V \/ 10A (about 120W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput 2\u003c\/th\u003e\n\u003ctd\u003e36V \/ 10A (about 360W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBattery modes\u003c\/th\u003e\n\u003ctd\u003eLiFePO4, lead-acid or AGM, set per output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReplacement fuses\u003c\/th\u003e\n\u003ctd\u003e15A per output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIsolation\u003c\/th\u003e\n\u003ctd\u003eNon-isolated\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\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 9.84 × 5.87 × 2.68 in (250 × 149 × 68 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\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e2-year limited (Epoch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel \/ SKU\u003c\/th\u003e\n\u003ctd\u003eCHG-DC-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-DC-36V_CHG-DC-12V36V_Manual_6.26-1.pdf?v=1787915896\" target=\"_blank\" rel=\"noopener\"\u003e📘 Epoch DC-DC charger manual (PDF) ↗\u003c\/a\u003e\u003c\/div\u003e\n\u003ch2\u003e❓ Common Questions\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWill it drain my starting battery?\u003c\/summary\u003e\u003cdiv\u003eIt's designed not to. Charging stops when the starter voltage falls below the cutoff, and it hibernates after about 20 idle minutes. A healthy starting battery and properly sized alternator are still required.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it replace my onboard AC charger?\u003c\/summary\u003e\u003cdiv\u003eNo. It adds charge while you run, but a full recharge and balancing still happen at the dock with an AC charger.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan the 36V output charge three 12V batteries in series?\u003c\/summary\u003e\u003cdiv\u003eEpoch publishes the 36V output for one compatible 36V battery. For a three-battery series string, follow your battery maker's balancing instructions.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs it isolated?\u003c\/summary\u003e\u003cdiv\u003eNo. It's non-isolated, so wire it exactly to Epoch's diagram, with proper fusing and a planned common ground.\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, outboard and batteries, and we'll confirm the right setup 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":54110104125635,"sku":"CHG-DC-12V36V","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/1800\/9539\/files\/ChatGPT_Image_Aug_12_2026_05_25_31_PM.png?v=1793295779","url":"https:\/\/www.homesteadsupplyonline.com\/products\/epoch-dual-output-12v-36v-marine-dc-dc-charger","provider":"Homestead Supply Online","version":"1.0","type":"link"}