{"product_id":"the-iron-current-lifepo4-deep-cycle-battery","title":"The Iron Current | 12V LiFePO4 Deep-Cycle Battery 100Ah–300Ah","description":"\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"The Iron Current | 12V LiFePO4 Deep-Cycle Battery 100Ah–300Ah\",\n  \"description\": \"High-capacity LiFePO4 deep-cycle battery for solar storage, RV, off-grid, and marine applications. 4000+ cycle life with intelligent BMS.\",\n  \"sku\": \"ES-9403957608671\",\n  \"productID\": \"9403957608671\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"EastSupplier\"\n  },\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/eastsupplier.com\/products\/\",\n    \"priceCurrency\": \"USD\",\n    \"price\": \"461.28\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\n      \"@type\": \"Organization\",\n      \"name\": \"EastSupplier\"\n    }\n  }\n}\n\u003c\/script\u003e\n\u003cdiv class=\"product-narrative\"\u003e\n  \u003cp\u003eEnergy independence is not a luxury. It is the final frontier of self-reliance.\u003c\/p\u003e\n  \u003cp\u003eIn a world where the grid flickers and diesel generators cough through the night, the lithium iron phosphate battery has quietly redefined what it means to store power. The Iron Current series is built on that principle — not as a backup plan, but as a primary energy architecture for those who refuse to be dependent. Whether you are powering an off-grid cabin in the Rockies, running a solar array on a remote worksite, or building a van-life electrical system that needs to start every morning without fail, this is the chemistry you bet on.\u003c\/p\u003e\n  \u003cp\u003eLiFePO₄ is the safest lithium chemistry ever commercialized. It does not thermally runaway. It does not off-gas. It delivers 4000+ cycles to 80% depth of discharge — a figure that makes lead-acid look like a disposable battery and even NMC lithium look nervous. The integrated BMS (Battery Management System) watches every cell, balancing charge and discharge with the vigilance of a flight computer. Temperature protection, over-current cutoff, short-circuit shutdown — these are not features, they are the minimum standard for a battery that earns its place in your system.\u003c\/p\u003e\n  \u003cp\u003eAvailable in 100Ah (1280Wh), 200Ah (2560Wh), and 300Ah (3840Wh) configurations, The Iron Current scales with your ambition. A single 100Ah unit runs lights and a fridge. Two of them in parallel run a cabin. The 300Ah is for people who measure their electrical loads in kilowatt-days, not watt-hours. All three share the same DNA: grade-A prismatic cells, laser-welded busbars, and a sealed ABS case rated for vibration, dust, and the kind of indifference to weather that only outdoor equipment truly earns.\u003c\/p\u003e\n  \u003cp\u003e\u003cem\u003ePower is not about having more. It is about having it when nothing else does.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #eee;\"\u003e\n\u003cdiv class=\"product-specs\"\u003e\n  \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n  \u003cul style=\"list-style: none; padding: 0;\"\u003e\n    \u003cli style=\"border-bottom: 1px solid #f0f0f0; padding: 12px 0;\"\u003e\n\u003cstrong\u003eChemistry:\u003c\/strong\u003e Lithium Iron Phosphate (LiFePO₄) — Grade A Prismatic Cells\u003c\/li\u003e\n    \u003cli style=\"border-bottom: 1px solid #f0f0f0; padding: 12px 0;\"\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 12.8V DC\u003c\/li\u003e\n    \u003cli style=\"border-bottom: 1px solid #f0f0f0; padding: 12px 0;\"\u003e\n\u003cstrong\u003eCapacity Options:\u003c\/strong\u003e 100Ah (1280Wh) | 200Ah (2560Wh) | 300Ah (3840Wh)\u003c\/li\u003e\n    \u003cli style=\"border-bottom: 1px solid #f0f0f0; padding: 12px 0;\"\u003e\n\u003cstrong\u003eCycle Life:\u003c\/strong\u003e 4000+ cycles @ 80% DoD (to 80% original capacity)\u003c\/li\u003e\n    \u003cli style=\"border-bottom: 1px solid #f0f0f0; padding: 12px 0;\"\u003e\n\u003cstrong\u003eBMS Protection:\u003c\/strong\u003e Over-charge, over-discharge, over-current, short-circuit, temperature (±0.1°C cell balancing)\u003c\/li\u003e\n    \u003cli style=\"border-bottom: 1px solid #f0f0f0; padding: 12px 0;\"\u003e\n\u003cstrong\u003eMax Continuous Discharge:\u003c\/strong\u003e 100A (1C rating)\u003c\/li\u003e\n    \u003cli style=\"border-bottom: 1px solid #f0f0f0; padding: 12px 0;\"\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e Charge 0°C–45°C | Discharge -20°C–60°C\u003c\/li\u003e\n    \u003cli style=\"border-bottom: 1px solid #f0f0f0; padding: 12px 0;\"\u003e\n\u003cstrong\u003eEnclosure:\u003c\/strong\u003e Sealed ABS, IP65-rated dust\/water resistance\u003c\/li\u003e\n    \u003cli style=\"border-bottom: 1px solid #f0f0f0; padding: 12px 0;\"\u003e\n\u003cstrong\u003eTerminal Type:\u003c\/strong\u003e M8 bolts with copper washers (included)\u003c\/li\u003e\n    \u003cli style=\"border-bottom: 1px solid #f0f0f0; padding: 12px 0;\"\u003e\n\u003cstrong\u003eWeight (100Ah):\u003c\/strong\u003e ~11 kg \/ 24.3 lbs\u003c\/li\u003e\n    \u003cli style=\"border-bottom: 1px solid #f0f0f0; padding: 12px 0;\"\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Solar storage, RV\/camper, marine, off-grid cabin, UPS backup, electric trolling motor\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-faq\" style=\"margin-top: 30px;\"\u003e\n  \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eQ: Can these batteries be connected in series for 24V or 48V systems?\u003c\/strong\u003e\u003cbr\u003eA: Yes, up to 4 units in series for a 48V nominal bank. For parallel connections (increasing capacity at 12V), up to 4 units can be connected in parallel. Always ensure all batteries are at the same state of charge before connecting.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eQ: How does LiFePO₄ compare to lead-acid or AGM?\u003c\/strong\u003e\u003cbr\u003eA: LiFePO₄ delivers roughly 4× the usable energy per kilogram, 10× the cycle life, and maintains voltage flat throughout discharge (no \"voltage sag\"). A 100Ah LiFePO₄ replaces approximately 200Ah of lead-acid in real-world usable capacity.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eQ: Does the BMS support low-temperature charging cutoff?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The integrated BMS disables charging below 0°C to prevent lithium plating, which permanently damages cells. Discharge continues down to -20°C.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eQ: What charger is recommended?\u003c\/strong\u003e\u003cbr\u003eA: Any LiFePO₄-compatible charger with 14.2V–14.6V absorption voltage. For solar, pair with an MPPT charge controller configured for lithium profile.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eQ: Is a special inverter required?\u003c\/strong\u003e\u003cbr\u003eA: No. Standard 12V pure sine wave inverters work. The battery's flat discharge curve (12.8V–12.0V across 90% of capacity) actually improves inverter efficiency compared to lead-acid's voltage sag.\u003c\/p\u003e\n\u003c\/div\u003e\n\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\/S993c686bc6c84a8587de6d80bcf1d00eu.webp?v=1780622250\" style=\"max-width: 100%; margin-bottom: 10px; border-radius: 8px;\" alt=\"Product image\" loading=\"lazy\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S5fe935b07010480792133e9e1eaef74b7.webp?v=1780622251\" style=\"max-width: 100%; margin-bottom: 10px; border-radius: 8px;\" alt=\"Product image\" loading=\"lazy\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sc413803bf1964550b1513e6b977e02b9i.webp?v=1780622251\" style=\"max-width: 100%; margin-bottom: 10px; border-radius: 8px;\" alt=\"Product image\" loading=\"lazy\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S491cc34a479f4bc1ac69e0a53c2e4b3fN.webp?v=1780622251\" style=\"max-width: 100%; margin-bottom: 10px; border-radius: 8px;\" alt=\"Product image\" loading=\"lazy\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sf03ebc9492ce41ed909864a2e6498a22M.webp?v=1780622251\" style=\"max-width: 100%; margin-bottom: 10px; border-radius: 8px;\" alt=\"Product image\" loading=\"lazy\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sa56989920d0f4809bc42e4adafddb378b.webp?v=1780622251\" style=\"max-width: 100%; margin-bottom: 10px; border-radius: 8px;\" alt=\"Product image\" loading=\"lazy\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sb6ea685a6b134f3093ce6f901374c9802.webp?v=1780622251\" style=\"max-width: 100%; margin-bottom: 10px; border-radius: 8px;\" alt=\"Product image\" loading=\"lazy\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sc02d30afca2d43a9a094bf06bb38706fn.webp?v=1780622251\" style=\"max-width: 100%; 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