{"product_id":"the-iron-current-12v-100ah-lifepo4-deep-cycle-battery","title":"The Iron Current | 12V 100Ah LiFePO4 Deep-Cycle Lithium Battery for RV Marine Solar","description":"\u003cdiv class=\"product-narrative\"\u003e\n\u003cp\u003e\u003cstrong\u003eEnergy Is Not Just Stored. It Is Engineered.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Iron Current represents a fundamental shift in how we think about portable power. Built around lithium iron phosphate (LiFePO₄) chemistry — the same technology trusted by medical facilities, telecommunications towers, and mission-critical off-grid installations — this 100Ah deep-cycle battery delivers what lead-acid promised but never achieved: consistent voltage under load, 4,000+ charge cycles before meaningful degradation, and a featherweight 23-pound form factor that redefines what \"portable power\" means.\u003c\/p\u003e\n\u003cp\u003eInside the Group 31-compatible case sits a 100A Battery Management System (BMS) that operates as a silent guardian — monitoring cell balance, temperature, overcurrent, and short-circuit conditions 24 times per second. This is not a battery that needs supervision. It is a battery that supervises itself. Whether you're running a 12V refrigerator in the Mojave, trolling for walleye on Lake of the Woods, or backing up a solar array through a week of overcast weather, the Iron Current treats every discharge cycle as a test of its engineering — and it has never failed that test.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is not a battery. It is the quiet backbone of your off-grid life.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-features\" style=\"margin: 25px 0;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #1a1a1a;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style: none; padding: 0;\"\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003eLiFePO₄ Chemistry:\u003c\/strong\u003e 4,000+ deep cycles at 80% depth of discharge — 8-10× the lifespan of lead-acid equivalents\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003e100A Intelligent BMS:\u003c\/strong\u003e Continuous cell-level monitoring for overcharge, over-discharge, overcurrent, short-circuit, and thermal protection\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003eGroup 31 Form Factor:\u003c\/strong\u003e Drop-in replacement for standard lead-acid battery trays — no modification required\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003e1,280Wh Usable Capacity:\u003c\/strong\u003e Runs a 12V fridge for 48+ hours, CPAP machine for 4+ nights, or trolling motor for a full day\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003e23 lbs (10.4 kg):\u003c\/strong\u003e Less than half the weight of an equivalent lead-acid battery — carry it with one hand\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003eWide Temperature Range:\u003c\/strong\u003e Charging 0°C–45°C, Discharging -20°C–60°C with built-in low-temperature charging cutoff\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003eSeries \u0026amp; Parallel Capable:\u003c\/strong\u003e Connect up to 4S\/4P for 48V 400Ah systems — scalable from RV to whole-home backup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-specs\" style=\"margin: 25px 0;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #1a1a1a;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul style=\"list-style: none; padding: 0;\"\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 12.8V\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eNominal Capacity:\u003c\/strong\u003e 100Ah (1,280Wh)\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eChemistry:\u003c\/strong\u003e Lithium Iron Phosphate (LiFePO₄)\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eBMS Rating:\u003c\/strong\u003e 100A Continuous, 200A Peak (3 seconds)\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eCycle Life:\u003c\/strong\u003e ≥4,000 cycles at 80% DoD (to 80% capacity retention)\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 23 lbs \/ 10.4 kg\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 12.9 × 6.8 × 8.5 inches (L×W×H) — Group 31 compatible\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eTerminal Type:\u003c\/strong\u003e M8 bolt terminals (positive + negative)\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eCharge Voltage:\u003c\/strong\u003e 14.4V ± 0.2V (recommended), 14.6V max\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e Charge 0°C–45°C, Discharge -20°C–60°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-applications\" style=\"margin: 25px 0;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #1a1a1a;\"\u003eApplication Scenarios\u003c\/h3\u003e\n\u003cp\u003eThe Iron Current serves the full spectrum of mobile and off-grid power needs. RV owners trust it to run refrigerators, lighting, and entertainment systems through multi-day boondocking sessions without generator noise. Marine anglers rely on its steady voltage curve to keep trolling motors spinning at consistent thrust from dawn to dusk. Solar installers pair it with MPPT charge controllers for cabin and tiny-home systems where lead-acid would sulfate within two seasons. Emergency preparedness planners choose LiFePO₄ because it holds charge for 12+ months with negligible self-discharge — ready when the grid isn't. From ham radio field operations to electric wheelchair backup, the Iron Current adapts to whatever demands you place on it.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-faq\" style=\"margin: 30px 0;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #1a1a1a;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this battery directly replace my existing lead-acid Group 31 battery?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. The Iron Current shares the Group 31 form factor and uses standard M8 bolt terminals. It is a direct drop-in replacement for most 12V lead-acid deep-cycle batteries in RVs, boats, and solar systems. Your existing charging system should be set to a LiFePO₄-compatible profile (14.4V absorption, 13.6V float). Standard lead-acid chargers will work but may not fully charge the battery.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How long will this battery run my appliances?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: At 1,280Wh usable capacity, approximate runtimes: 12V portable refrigerator (50W) = 24-26 hours, CPAP machine without humidifier (30W) = 40-42 hours, 30lb thrust trolling motor at medium speed (20A) = 4-5 hours, LED lighting (10W) = 120+ hours. Always size your battery bank to your specific load profile.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I connect multiple batteries together?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. Connect up to 4 batteries in series for 48V systems, or up to 4 in parallel for 400Ah at 12V. Use identical batteries and ensure they are at the same state of charge before connecting. The built-in BMS handles balancing within each battery; external balancing between batteries is recommended for series configurations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the BMS protect against cold-weather charging damage?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Absolutely. The integrated BMS includes a low-temperature charging cutoff that prevents charging when cell temperature drops below 0°C (32°F) — the temperature at which lithium plating can permanently damage LiFePO₄ cells. Discharge is safe down to -20°C (-4°F).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the expected lifespan compared to lead-acid?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: A quality AGM deep-cycle battery typically lasts 300-500 cycles to 50% depth of discharge. The Iron Current delivers 4,000+ cycles at 80% depth of discharge — approximately 10+ years of daily cycling. The total cost per cycle is roughly one-tenth that of lead-acid, making the higher upfront price a long-term savings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this battery come with terminal bolts and covers?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. Each battery ships with M8 stainless steel bolts, washers, and plastic terminal covers. The terminals are clearly marked positive (+) and negative (-).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this battery UL or UN38.3 certified?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: LiFePO₄ batteries fall under UN38.3 testing requirements for transportation safety. The Iron Current cells are manufactured to ISO 9001 standards and the complete battery pack undergoes capacity testing before shipment. Please verify specific certification requirements for your application or jurisdiction.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-gallery\" style=\"margin-top: 30px; text-align: center;\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S1bd4009f179e42e1b955943045548cbc5.webp?v=1775274574\" slate-data-type=\"image\"\u003e\n  \u003cimg width=\"944\" height=\"236\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sa37ff57afb354029a8207dd7e3201e06x.webp?v=1775274574\" slate-data-type=\"image\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S869a5babc1cf4f428fdcdc481731c1e5C.webp?v=1775274574\" slate-data-type=\"image\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sbb3699f50f3a4f9bbf0336e6051cbd27F.webp?v=1775274574\" slate-data-type=\"image\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sd5df84bd86784d3383d414d7d72f2738i.webp?v=1775274574\" slate-data-type=\"image\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sa37ff57afb354029a8207dd7e3201e06x.webp?v=1775274574\" slate-data-type=\"image\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/migrate_9328097329375_12.jpg?v=1781165410\" slate-data-type=\"image\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/migrate_9328097329375_0.jpg?v=1781165371\" slate-data-type=\"image\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/migrate_9328097329375_8.jpg?v=1781165397\" slate-data-type=\"image\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/migrate_9328097329375_6.jpg?v=1781165391\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"The Iron Current | 12V 100Ah LiFePO4 Deep-Cycle Lithium Battery for RV Marine Solar\",\n  \"description\": \"12V 100Ah LiFePO₄ deep-cycle lithium battery with 100A BMS. 4,000+ cycles, Group 31 compatible, 1,280Wh capacity for RV, marine, solar, and off-grid applications.\",\n  \"sku\": \"9328097329375\",\n  \"mpn\": \"9328097329375\",\n  \"image\": \"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S1bd4009f179e42e1b955943045548cbc5.webp?v=1775274574\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"East Supplier Platform\"},\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/eastsupplier.com\/products\/12v-100ah-lifepo4-lithium-battery-100a-bms-for-rv-solar-marine-trolling-motor-backup-power-group-31-deep-cycle-lithium-batteries\",\n    \"priceCurrency\": \"USD\",\n    \"price\": \"352.96\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"itemCondition\": \"https:\/\/schema.org\/NewCondition\"\n  },\n  \"aggregateRating\": {\n    \"@type\": \"AggregateRating\",\n    \"ratingValue\": \"4.5\",\n    \"reviewCount\": \"3\",\n    \"bestRating\": \"5\"\n  }\n}\n\u003c\/script\u003e","brand":"East Supplier Platform","offers":[{"title":"12V 100AH L332 BT \/ United States","offer_id":48802650751199,"sku":"1005008249427531-12V 100AH L332 BT-United States","price":352.96,"currency_code":"USD","in_stock":true},{"title":"12V 100AH L332 BT \/ GERMANY","offer_id":48802650783967,"sku":"1005008249427531-12V 100AH L332 BT-GERMANY","price":394.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S1bd4009f179e42e1b955943045548cbc5.webp?v=1775274574","url":"https:\/\/eastsupplier.com\/pt-pt\/products\/the-iron-current-12v-100ah-lifepo4-deep-cycle-battery","provider":"EastSupplier Platform","version":"1.0","type":"link"}