{"product_id":"eve-mb31-3-2v-314ah-lifepo4-prismatic-cell-massive-capacity-ultra-long-lifespan-grade-a-lithium-iron-phosphate-for-high-density-solar-storage-ess","title":"EVE MB31 3.2V 314Ah LiFePO4 Prismatic Battery Cell – 5.66kg High-Energy Upgrade for Home ESS, Commercial Storage Cabinets \u0026 Large Off-Grid Systems","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Description:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eThe EVE MB31 is the flagship 3.2V 314Ah lithium iron phosphate (LiFePO4) prismatic battery cell, representing a major capacity upgrade from the industry-standard 280Ah while maintaining a nearly identical footprint (207.2mm x 173.7mm x 71.7mm). With an impressive 314Ah rating, this cell delivers approximately 12% more energy storage without requiring significant design changes to your existing battery packs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eWeighing approximately 5.66kg and featuring an ultra-low internal resistance of ≤0.3mΩ, the MB31 ensures maximum energy transfer efficiency and minimal heat generation even under sustained heavy loads. Built with advanced LiFePO4 chemistry, it offers excellent thermal stability, a long cycle life, and superior safety. It is the ultimate core building block for large-scale energy storage systems, commercial ESS racks, and high-capacity off-grid power walls.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eKey Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eEVE MB31 Premium Cell:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e High-quality 314Ah prismatic LiFePO4 battery from the trusted brand EVE.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e314Ah Upgrade Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Delivers ~12% more capacity than 280Ah in the same classic footprint.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eLow Internal Resistance (≤0.3mΩ):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Ensures efficient energy transfer and minimal heat generation during high-current discharge.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eAdvanced LiFePO4 Safety Chemistry:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Superior thermal stability, explosion-proof design, and enhanced safety against overcharging and short circuits.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eLong Cycle Life:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Designed for thousands of charge\/discharge cycles, providing exceptional long-term value.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eOptimized High-Energy Form Factor:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Measures 207.2mm x 173.7mm x 71.7mm — the standard size for large prismatic cells.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eVersatile Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Ideal for large home ESS, commercial storage cabinets, RV solar upgrades, and large-scale DIY battery pack assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Parameters:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e EVE \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e MB31\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCell Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e LiFePO4 (Lithium Iron Phosphate)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNominal Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 314Ah\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNominal Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 3.2V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eInternal Resistance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e ≤0.3mΩ\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 5660g ± 300g\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 207.2mm (Length) x 173.7mm (Width) x 71.7mm (Height)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eApplications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eLarge Home Energy Storage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Core power cell for high-capacity residential solar battery banks and home ESS.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCommercial Storage Cabinets:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Reliable core for standardized ESS racks and commercial energy storage cabinets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eRV \u0026amp; Camper Power Systems:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e High-capacity upgrade for large 12V\/24V RV battery banks.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eOff-Grid \u0026amp; Backup Power:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Massive storage for large-scale off-grid solar farms and emergency backup systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eLarge DIY Battery Packs:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Ideal for building custom 12V, 24V, or 48V battery packs with maximum energy density.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFrequently Asked Questions (FAQ):\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan class=\"\"\u003eQ1: What is the capacity of this battery?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA1: This EVE MB31 cell provides a substantial 314Ah capacity, offering approximately 12% more energy storage than the standard 280Ah cells.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: What is the internal resistance of this cell?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA2: The internal resistance is ≤0.3mΩ, ensuring efficient power transfer and low heat generation even under heavy sustained loads.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: What is the advantage of the MB31 over the LF280K?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA3: The MB31 delivers 34Ah more capacity in the exact same 207.2mm x 173.7mm x 71.7mm form factor as the LF280K, allowing you to upgrade your pack capacity without modifying your battery box layout.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: How many cells do I need for a 12V battery pack?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA4: For a standard 12.8V system, you will need 4 cells connected in series (4S). For a 24V system, use an 8S configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: What kind of charger should I use for this battery?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA5: You must use a charger specifically designed for 3.2V LiFePO4 batteries with a 3.65V cut-off voltage. A BMS (Battery Management System) is essential for safe pack assembly.\u003c\/span\u003e\u003c\/p\u003e","brand":"EVE","offers":[{"title":"Default Title","offer_id":51454206214390,"sku":"OAS1072","price":253.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/eve-mb31-314ah-cell-front_6c3b154f-0c8d-49ca-bf25-f4c9c4050886.webp?v=1786967830","url":"https:\/\/oneandes.com\/products\/eve-mb31-3-2v-314ah-lifepo4-prismatic-cell-massive-capacity-ultra-long-lifespan-grade-a-lithium-iron-phosphate-for-high-density-solar-storage-ess","provider":"OneAndes","version":"1.0","type":"link"}