{"product_id":"epoch-cranking-deep-cycle-lithium-battery-12v-172ah","title":"Epoch Cranking \u0026 Deep Cycle Lithium Battery 12V 172Ah","description":"\u003ch2\u003e12V 172Ah Marine Cranking Lithium Battery – Epoch Dual Purpose LiFePO4 \u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eEpoch 12V 172Ah Dual Purpose LiFePO4 battery\u003c\/strong\u003e (model 12172A-DP) combines engine cranking and deep-cycle house power in one compact BCI Group 31 case. With \u003cstrong\u003e2.20kWh of stored energy\u003c\/strong\u003e, a \u003cstrong\u003e1,000A 5-second cranking pulse\u003c\/strong\u003e and \u003cstrong\u003e200A continuous output\u003c\/strong\u003e, it is a marine cranking lithium battery designed for anglers and boaters who want fewer batteries, less weight and more confidence on the water.\u003c\/p\u003e\n\u003cp\u003eWeighing just 40 lb (18.14 kg), it can replace separate starting and house batteries in compatible setups, free up crowded battery compartments, and run fish finders, livewell pumps, bilge pumps, GPS, radios and lighting – all without watering, acid service or lead-acid equalization.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-purpose design:\u003c\/strong\u003e a cranking-capable BMS delivers 1,000A for up to 5 seconds (approx. 1,000 CCA equivalent) for engine cranking only, plus 172Ah of deep-cycle capacity for onboard electronics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutboard starting support:\u003c\/strong\u003e Epoch's compatibility target is outboards up to 250 hp when the engine's battery requirements, alternator output, wiring and charging profile match.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e200A continuous discharge:\u003c\/strong\u003e powers fish finders, GPS, radios, livewell and bilge pumps, lighting, stereos and other 12V loads. Keep any load lasting longer than 5 seconds at or below 200A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e200A maximum charge current:\u003c\/strong\u003e from all sources combined (86A recommended) at 14.2–14.6V bulk\/absorption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth monitoring:\u003c\/strong\u003e the free Epoch Li-Ion app (iOS and Android) shows state of charge, voltage, current, temperature and BMS status.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced BMS protection:\u003c\/strong\u003e guards against overcharge, over-discharge, over-current, short circuit, and high and low temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP65 enclosure:\u003c\/strong\u003e dust-tight and protected against low-pressure water jets from any direction. Not submersible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4,000+ cycle life:\u003c\/strong\u003e long-lasting LiFePO4 chemistry with stable voltage and maintenance-free operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpandable:\u003c\/strong\u003e wire up to 4 matched batteries in parallel for a 12V 688Ah \/ 8.81kWh bank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e11-year limited warranty:\u003c\/strong\u003e 3 years of free replacement, then 40% off MSRP on a replacement battery through Year 11.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuick Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003e12172A-DP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eEssential Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal voltage\u003c\/td\u003e\n\u003ctd\u003e12.8V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal capacity\u003c\/td\u003e\n\u003ctd\u003e172Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStored energy\u003c\/td\u003e\n\u003ctd\u003e2.20kWh (2,202Wh, nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. continuous discharge\u003c\/td\u003e\n\u003ctd\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak discharge \/ cranking\u003c\/td\u003e\n\u003ctd\u003e1,000A for up to 5 seconds (approx. 1,000 CCA equivalent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery group size\u003c\/td\u003e\n\u003ctd\u003eBCI Group 31\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e40 lb \/ 18.14 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure protection\u003c\/td\u003e\n\u003ctd\u003eIP65 (not submersible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCycle life\u003c\/td\u003e\n\u003ctd\u003e4,000+ cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e11-year limited (3 years free replacement)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\u003ch3\u003eGeneral \u0026amp; Electrical\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEpoch Batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery type\u003c\/td\u003e\n\u003ctd\u003eDual-purpose cranking and deep cycle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemistry\u003c\/td\u003e\n\u003ctd\u003eLiFePO4 (lithium iron phosphate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell type\u003c\/td\u003e\n\u003ctd\u003ePrismatic LiFePO4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell configuration\u003c\/td\u003e\n\u003ctd\u003e4S1P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating voltage range\u003c\/td\u003e\n\u003ctd\u003e10.0V – 14.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum charge input\u003c\/td\u003e\n\u003ctd\u003e15.0V maximum input rating (target 14.2V – 14.6V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. continuous charge current\u003c\/td\u003e\n\u003ctd\u003e200A, all charging sources combined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries \/ parallel\u003c\/td\u003e\n\u003ctd\u003eParallel only, max. 4 matched batteries (688Ah, 8.81kWh at 12.8V); series wiring not approved\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003eYes – Epoch Li-Ion app, iOS and Android\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelf-heating\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEstimated runtime at 100W \/ 500W load\u003c\/td\u003e\n\u003ctd\u003eApprox. 17.6 h \/ 3.5 h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eRecommended Charging Settings\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSetting\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBulk \/ absorption voltage\u003c\/td\u003e\n\u003ctd\u003e14.2V – 14.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAbsorption end condition\u003c\/td\u003e\n\u003ctd\u003eWhen current falls to C\/20 or after 15 minutes maximum, whichever comes first\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFloat voltage\u003c\/td\u003e\n\u003ctd\u003e13.4V – 13.8V, or disabled (preferred)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRe-bulk voltage\u003c\/td\u003e\n\u003ctd\u003e13.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEqualization\u003c\/td\u003e\n\u003ctd\u003eDisabled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature compensation\u003c\/td\u003e\n\u003ctd\u003e0 mV\/°C (disabled)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended charge current\u003c\/td\u003e\n\u003ctd\u003eUp to 86A (0.5C, 50% of capacity)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMS high-voltage cutoff\u003c\/td\u003e\n\u003ctd\u003e14.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSOC recalibration voltage\u003c\/td\u003e\n\u003ctd\u003e14.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTemperature Ratings\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003cth\u003eRange\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharge (rating)\u003c\/td\u003e\n\u003ctd\u003e-5°C to 55°C \/ 23°F to 131°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharger programming\u003c\/td\u003e\n\u003ctd\u003e0°C to 55°C \/ 32°F to 131°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDischarge\u003c\/td\u003e\n\u003ctd\u003e-20°C to 60°C \/ -4°F to 140°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003e0°C to 35°C \/ 32°F to 95°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLow-temperature charge protection\u003c\/td\u003e\n\u003ctd\u003eYes – the BMS blocks charging when the battery is too cold (no internal heating)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDimensions \u0026amp; Mechanical\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall dimensions\u003c\/td\u003e\n\u003ctd\u003e12.91 in L × 6.22 in W × 8.46 in H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMetric dimensions\u003c\/td\u003e\n\u003ctd\u003e328 × 158 × 215 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e40 lb \/ 18.14 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal type\u003c\/td\u003e\n\u003ctd\u003eM8 female, torque 8–12 Nm (71–106 in-lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase material\u003c\/td\u003e\n\u003ctd\u003eABS and PC blend\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlame rating\u003c\/td\u003e\n\u003ctd\u003eUL94-V0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure protection\u003c\/td\u003e\n\u003ctd\u003eIP65 (IEC 60529): dust-tight, water-jet resistant, not submersible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eBMS Protection \u0026amp; Compliance\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMS\u003c\/td\u003e\n\u003ctd\u003eSmart BMS with built-in battery management\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtections\u003c\/td\u003e\n\u003ctd\u003eOvercharge, over-discharge, over-current, short circuit, high temperature, low temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell certification\u003c\/td\u003e\n\u003ctd\u003eUL 1642 (cells)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal runaway testing\u003c\/td\u003e\n\u003ctd\u003eUL 9540A (cells)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery certification\u003c\/td\u003e\n\u003ctd\u003eIEC 62619:2022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransport\u003c\/td\u003e\n\u003ctd\u003eUN 38.3, Class 9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhere It Goes to Work\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMarine engine starting (outboards up to 250 hp when requirements match)\u003c\/li\u003e\n\u003cli\u003eDual-purpose boat systems: starting plus house power\u003c\/li\u003e\n\u003cli\u003eBass boats, fishing boats, pontoons, skiffs, flats boats and center consoles\u003c\/li\u003e\n\u003cli\u003eFish finders, livewell pumps, bilge pumps, GPS, marine radios and lighting\u003c\/li\u003e\n\u003cli\u003eGroup 31 AGM or lead-acid replacement projects where fitment and charging profile match\u003c\/li\u003e\n\u003cli\u003e12V house banks up to 688Ah using matched batteries in parallel\u003c\/li\u003e\n\u003cli\u003eRV, camper, van, cabin, backup power and solar 12V deep-cycle systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \u0026amp; Compatibility Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis battery is not a drop-in replacement for every lead-acid installation. Check tray fit, lid clearance, hold-down method, terminal clearance, cable size, overcurrent protection and charger profile first.\u003c\/li\u003e\n\u003cli\u003eAlways verify your outboard manufacturer's required CCA, charging profile, alternator output, fuse and cable sizing. Some alternator systems may require lithium-ready regulation or a DC-to-DC charger.\u003c\/li\u003e\n\u003cli\u003eUse a 12V LiFePO4-compatible charger, converter, inverter charger, solar controller or DC-to-DC charger.\u003c\/li\u003e\n\u003cli\u003eMount the battery upright and place a DC-rated main fuse or breaker as close as practical to the positive terminal, sized for engine cranking current as well as house loads.\u003c\/li\u003e\n\u003cli\u003eThe 1,000A \/ 5-second rating is for engine cranking only. Keep enough charge in reserve to start the engine.\u003c\/li\u003e\n\u003cli\u003eDo not submerge or pressure-wash the battery, and do not install it where standing water can collect, such as a bilge. Keep it away from prolonged direct sunlight and engine or exhaust heat.\u003c\/li\u003e\n\u003cli\u003eParallel connection only (up to 4 matched batteries). Series wiring is not approved for this model, so it cannot be used for 24V or 36V trolling motor systems.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Epoch","offers":[{"title":"Default Title","offer_id":68278971793568,"sku":"12172A-DP","price":1491.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0465\/8908\/3808\/files\/Epoch-dual-purpose-12-8-v-172-ah.webp?v=1793834144","url":"https:\/\/www.m-oceans.com\/products\/epoch-cranking-deep-cycle-lithium-battery-12v-172ah","provider":"M-Oceans","version":"1.0","type":"link"}