{"product_id":"epoch-12v-to-36v-marine-dc-dc-charger","title":"Epoch 12V to 36V Marine DC-DC Charger, Charge on the Run, 36V\/10A Output, 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 small{display:block;font-weight:400;color:var(--mut)!important;font-size:.85em}.hs-pdp .hs-emo{font-size:1.45em;line-height:1}.hs-pdp .hs-lead{color:var(--mut)!important;font-size:1.05em}.hs-pdp .hs-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:.6rem;margin:1.1rem 0}.hs-pdp .hs-stat{border:1px solid var(--line);border-radius:10px;padding:.85rem .5rem;text-align:center}.hs-pdp .hs-stat b{display:block;font-size:1.35em;color:var(--g)!important;line-height:1.15}.hs-pdp .hs-stat span{display:block;margin-top:.3rem;font-size:.86em;color:var(--mut)!important}.hs-pdp .hs-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.8rem}.hs-pdp .hs-card{border:1px solid var(--line);border-radius:12px;padding:1rem 1.05rem}.hs-pdp .hs-card p{margin:0;color:var(--mut)!important;font-size:.97em}.hs-pdp .hs-card .hs-emo{display:block;margin-bottom:.35rem}.hs-pdp .hs-callout{border-left:5px solid var(--a);background:#f2fbfb;border-radius:8px;padding:1rem 1.1rem;margin:1rem 0}.hs-pdp .hs-callout ul{margin:.4rem 0 0;padding-left:1.15rem}.hs-pdp .hs-callout li{margin:.4rem 0}.hs-pdp .hs-kit{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:.55rem}.hs-pdp .hs-kit li{display:flex;gap:.6rem;align-items:center;background:#f4fafb;border-radius:10px;padding:.7rem .8rem}.hs-pdp .hs-kit .hs-k{width:56px;height:56px;flex:0 0 56px;display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);border-radius:8px;font-size:1.7em}.hs-pdp .hs-kit small{display:block;color:var(--mut)!important;font-size:.87em}.hs-pdp .hs-tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;margin:.4rem 0 1rem}.hs-pdp table{width:100%;border-collapse:collapse;margin:0}.hs-pdp th,.hs-pdp 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\u003c\/small\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hs-emo\"\u003e🔋\u003c\/span\u003e\u003cspan\u003e36V \/ 10A Output\u003csmall\u003eAbout 360W\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 12V-to-36V Marine DC-DC Charger: recharge your 36V trolling-motor battery while the outboard runs.\u003c\/strong\u003e It draws from your 12V or 24V starter-battery system and delivers a regulated 36V\/10A charge. It starts when the engine raises the starter voltage and stops when it drops, so your starting battery keeps its reserve.\u003c\/p\u003e\n\u003cdiv class=\"hs-stats\"\u003e\n\u003cdiv class=\"hs-stat\"\u003e\n\u003cb\u003e36V\/10A\u003c\/b\u003e\u003cspan\u003eOutput\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\u003e3 modes\u003c\/b\u003e\u003cspan\u003eLiFePO4, AGM, lead-acid\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\u003c\/div\u003e\n\u003cp class=\"hs-mini\"\u003eSpecs from Epoch Batteries' product page and manual.\u003c\/p\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, and you have \u003cstrong\u003eone 36V\u003c\/strong\u003e trolling-motor battery.\u003c\/li\u003e\n\u003cli\u003eYour outboard's alternator has \u003cstrong\u003espare capacity\u003c\/strong\u003e: 36V at 10A is about 360W, which pulls a lot of current from a 12V system.\u003c\/li\u003e\n\u003cli\u003eIt's \u003cstrong\u003enon-isolated\u003c\/strong\u003e, so follow Epoch's wiring diagram exactly, with proper fusing and grounding.\u003c\/li\u003e\n\u003c\/ul\u003eNeed to charge a 12V electronics battery too? The \u003cstrong\u003eEpoch Dual-Output 12V\/36V DC-DC charger\u003c\/strong\u003e does both.\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 Trolling Time\u003c\/h3\u003e\n\u003cp\u003ePuts charge back into your 36V battery 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\u003eProtects Your Starting Battery\u003c\/h3\u003e\n\u003cp\u003eOn 12V 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\u003eThree Battery Modes\u003c\/h3\u003e\n\u003cp\u003eSet it for a 36V LiFePO4, AGM or lead-acid battery, with lithium BMS wake-up.\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, aluminum cooling, waterproof fan and built-in 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 12V-to-36V DC-DC charger\u003csmall\u003eModel CHG-DC-36V\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 input and output leads\u003csmall\u003eRing 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 and M6 mounting screws. It adds charge on the run but doesn't replace a full AC charge at the dock.\u003c\/div\u003e\n\u003ch2\u003e📋 Specifications\u003c\/h2\u003e\n\u003cdiv class=\"hs-tablewrap\"\u003e\u003ctable\u003e\u003ctbody\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\u003e\n\u003cth\u003eOutput\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\u003e36V LiFePO4, lead-acid or AGM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIdle hibernation\u003c\/th\u003e\n\u003ctd\u003eAfter about 20 minutes\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\u003e\n\u003cth\u003eReplacement fuse\u003c\/th\u003e\n\u003ctd\u003e15A\u003c\/td\u003e\n\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 × 3.74 × 2.68 in (250 × 95 × 68 mm)\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-36V\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 stops charging when starter voltage drops below the cutoff and 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\u003eCan it charge three 12V batteries in series?\u003c\/summary\u003e\u003cdiv\u003eEpoch publishes it for one 36V battery. For a three-battery string, follow your battery maker's balancing instructions, or use the Epoch 4-bank charger at the dock.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it replace my AC charger?\u003c\/summary\u003e\u003cdiv\u003eNo. Keep an AC onboard charger for full recharges at the dock.\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 outboard and batteries, and we'll confirm it fits 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":54110104486083,"sku":"CHG-DC-36V","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/1800\/9539\/files\/ChatGPT_Image_Aug_12_2026_05_24_32_PM.png?v=1793296179","url":"https:\/\/www.homesteadsupplyonline.com\/products\/epoch-12v-to-36v-marine-dc-dc-charger","provider":"Homestead Supply Online","version":"1.0","type":"link"}