{"product_id":"epoch-batteries-12172a-dp-12v-172ah-2-20kwh-dual-purpose-lifepo4-battery-essential-series-group-31","title":"Epoch Batteries 12172A-DP 12V 172Ah 2.20kWh Dual Purpose LiFePO4 Battery – Essential Series | Group 31","description":"\u003cp dir=\"ltr\"\u003eWhen one battery needs to do two jobs start your engine and power your house loads the Epoch 12172A-DP is built for exactly that. It delivers approximately 1,000 CCA of cranking capability alongside 172Ah of deep-cycle capacity and 200A of continuous output, all in a compact Group 31 footprint with Bluetooth monitoring built in.\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eDual-Purpose Cranking and Deep Cycle – Combines approximately 1,000 CCA cranking capability with 172Ah of deep-cycle house power in a single battery, replacing two separate batteries in compatible marine, RV, and solar systems.\u003c\/li\u003e\n\u003cli\u003e1,000A Peak Cranking with 200A Continuous Output – Delivers a 1,000A cranking pulse for 5 seconds to start compatible outboard motors up to 250 HP, while maintaining a solid 200A continuous rating for sustained house loads.\u003c\/li\u003e\n\u003cli\u003eBluetooth Monitoring via iOS \u0026amp; Android – Connects to the Epoch app for real-time battery status, voltage, current, temperature, and BMS protection state visibility from your phone during use and commissioning.\u003c\/li\u003e\n\u003cli\u003eLow-Temperature Charge Protection – Built-in BMS monitors cell temperature before allowing charge current, automatically blocking charging below the safe temperature range to protect cells in cold marine and outdoor environments.\u003c\/li\u003e\n\u003cli\u003e4,000+ Cycle LiFePO4 Chemistry – Stable lithium iron phosphate chemistry delivers over 4,000 maintenance-free cycles, dramatically outlasting AGM and lead-acid dual-purpose batteries at a fraction of the long-term cost.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003eThe 12172A-DP is purpose-built for marine applications where a single battery bank needs to handle both starting and house loads — outboard motor vessels, RVs with engine starting requirements, and 12V systems that demand both high pulse current and reliable sustained discharge. At 2.20kWh stored energy with 80% planning energy, a single unit runs a 100W load for approximately 17.6 hours and a 500W load for about 3.5 hours.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eUp to 4 units can be connected in parallel for a maximum 688Ah \/ 8.80kWh bank — series wiring is not listed for this model and should not be attempted without written Epoch approval. The IP65-rated ABS\/PC blend UL94-V0 enclosure provides dust and water resistance for demanding marine and outdoor environments, and the Bluetooth app keeps full system visibility at your fingertips throughout every voyage or trip.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eWith UL 1642 cell certification, UL 9540A thermal runaway rating, IEC 62619:2022, CE, and RoHS compliance, and shipped as UN 38.3 Class 9 lithium, this battery meets the requirements for marine, RV, and mobile installations and ships without restriction.\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003eTechnical Specification\u003c\/h2\u003e\n\u003cdiv dir=\"ltr\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSpecification\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eEpoch 12172A-DP\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\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\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003eDual-Purpose Cranking + Deep Cycle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemistry\u003c\/td\u003e\n\u003ctd\u003eLiFePO4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Configuration\u003c\/td\u003e\n\u003ctd\u003e4S1P Prismatic LiFePO4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e12.8 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Capacity\u003c\/td\u003e\n\u003ctd\u003e172 Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Energy\u003c\/td\u003e\n\u003ctd\u003e2.20 kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Range\u003c\/td\u003e\n\u003ctd\u003e10.0 – 14.6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Charge Voltage\u003c\/td\u003e\n\u003ctd\u003e15.0 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Continuous Charge\u003c\/td\u003e\n\u003ctd\u003e200 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Charge Rate\u003c\/td\u003e\n\u003ctd\u003e50% of Battery or Bank Capacity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Continuous Discharge\u003c\/td\u003e\n\u003ctd\u003e200 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Cranking (5 sec)\u003c\/td\u003e\n\u003ctd\u003e1,000 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCranking Capability\u003c\/td\u003e\n\u003ctd\u003eApprox. 1,000 CCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBulk \/ Absorption Voltage\u003c\/td\u003e\n\u003ctd\u003e14.2 – 14.6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFloat Voltage\u003c\/td\u003e\n\u003ctd\u003e13.4 – 13.8 V (or Disabled)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Parallel Configuration\u003c\/td\u003e\n\u003ctd\u003e4 Batteries (688Ah \/ 8.80kWh)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries Configuration\u003c\/td\u003e\n\u003ctd\u003eNot Listed – Parallel Only\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\u003eCharge Temperature\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\u003eDischarge Temperature\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 Temperature\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-Temp Charge Protection\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth Monitoring\u003c\/td\u003e\n\u003ctd\u003eYes – iOS \/ 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\u003eDimensions (L x W x H)\u003c\/td\u003e\n\u003ctd\u003e12.91 x 6.22 x 8.46 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e40 lbs (18.14 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGroup Size\u003c\/td\u003e\n\u003ctd\u003eGroup 31\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eM8 Female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eABS\/PC Blend, UL94-V0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Certification\u003c\/td\u003e\n\u003ctd\u003eUL 1642, UL 9540A\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\u003eProduct Compliance\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransport Classification\u003c\/td\u003e\n\u003ctd\u003eUN 38.3, Class 9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e11 Years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Epoch Batteries","offers":[{"title":"Default Title","offer_id":54498451095862,"sku":null,"price":899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/2233\/8102\/files\/epoch_battery_12172a_dp_professional_reflection.png?v=1788309220","url":"https:\/\/thesolarstore.com\/products\/epoch-batteries-12172a-dp-12v-172ah-2-20kwh-dual-purpose-lifepo4-battery-essential-series-group-31","provider":"The Solar Store","version":"1.0","type":"link"}