{"title":"$45\/kWh - Unused Surplus - Laser Connection","description":null,"products":[{"product_id":"3-2v-15ah-48wh-lifepo4-cylindrical-cells-no-shrink-wrap","title":"3.2v 15ah 48wh LiFePo4 Cylindrical Cells - Naked","description":"\u003cp\u003eThese cells have never been used, have good voltage, and the cells we tested were full capacity.\u003c\/p\u003e\n\u003cp\u003eThey are just missing the shrink wrap. You can add your own shrink wrap. Perhaps if you use cell holders with spacing you won't need to add shrink wrap. You cannot have cells in series touching without something protecting against a short so if you don't use spacers between the cells you must use shrink wrap or some material to prevent a short.\u003c\/p\u003e\n\u003cp\u003eThe tabs on both ends are copper which is nice because a lot of customers are building packs by soldering them. Using a thicker soldering iron works well and you can even utilize nickel for the connections.\u003c\/p\u003e\n\u003cp\u003eFully Charged: 3.65v\u003cbr\u003eFully Discharged: 2v\u003cbr\u003eStandard Charge Rate: 7.5a (0.5C)\u003cbr\u003eStandard Discharge Rate: 15a (1C)\u003cbr\u003eMax Continuous Charge Rate: 30a (2C)\u003cbr\u003eMax Continuous Discharge Rate: 75a (5C)\u003cbr\u003eDimensions: 5.25\" x 1.25\" (140mm x 33mm)\u003c\/p\u003e","brand":"Battery Hookup","offers":[{"title":"Default Title","offer_id":45524146225314,"sku":"No Shrink Wrap","price":2.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2398\/3077\/files\/IMG_0338_clipped_rev_1.png?v=1747850659"},{"product_id":"3-2v-15ah-48wh-lifepo4-cylindrical-cells-new","title":"3.2v 15ah 48wh LiFePo4 Cylindrical Cells","description":"\u003cp\u003eThese cells have never been used, have good voltage, and the cells we tested were full capacity. Amazing deal at this price.\u003c\/p\u003e\n\u003cp\u003eNote: cells may have a tiny ding mark on the shrink wrap\u003c\/p\u003e\n\u003cp\u003eThe tabs on both ends are copper which is nice because a lot of customers are building packs by soldering them. Using a thicker soldering iron works well and you can even utilize nickel for the connections.\u003c\/p\u003e\n\u003cp\u003eFully Charged: 3.65v\u003cbr\u003eFully Discharged: 2v\u003cbr\u003eStandard Charge Rate: 7.5a (0.5C)\u003cbr\u003eStandard Discharge Rate: 15a (1C)\u003cbr\u003eMax Continuous Charge Rate: 30a (2C)\u003cbr\u003eMax Continuous Discharge Rate: 75a (5C)\u003cbr\u003eDimensions: 5.25\" x 1.25\" (140mm x 33mm)\u003c\/p\u003e","brand":"Battery Hookup","offers":[{"title":"Default Title","offer_id":45577396519074,"sku":"new cells","price":2.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2398\/3077\/files\/IMG_0305_clipped_rev_1.png?v=1747334269"},{"product_id":"2x-sunwoda-lf314-314ah-lfp-prismatic-cells-grade-a-qualified-rohs-certified-ultra-long-life-10-000-cycles","title":"4x Sunwoda LF314 3.2v 314Ah LiFePo4 Prismatic Cells","description":"\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eBrand New - Low Price\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThese high-demand new cells are priced at our lowest possible upfront cost. To make this pricing possible, discount codes are disabled. The price shown is our final, best price\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eYou get 4 cells per lot. Cells do not have threaded posts so you will need to laser weld your busbars. We don't know how thick the terminals are so tap and die would be risky and not recommended. \u003c\/p\u003e\n\u003cp\u003eThese batteries are all \u003cb\u003eBrand New SUNWODA 3.2V 314Ah Grade A\u003c\/b\u003e LiFePO4 prismatic cells, fresh from a 2025 production lot, qualified and RoHS certified as per the included stamp. These are premium energy storage cells from Sunwoda, a leading manufacturer, with excellent matching potential and real-world tested capacities often exceeding nominal—typically \u003cb\u003e320–335Ah+\u003c\/b\u003e (many user reports and seller listings show ~330Ah average for strong performance in builds).\u003c\/p\u003e\n\u003cp\u003eWe sell them in convenient 4\u003cb\u003e-packs\u003c\/b\u003e to make shipping easier and more affordable—customers can easily buy multiples like 4, 8, 12, or 16 cells to build full packs (e.g., 12.8V 314Ah, 25.6V, or 51.2V systems). No accessories included—just the high-quality cells ready for your project.\u003c\/p\u003e\n\u003cp\u003eThese cells are rated for \u003cb\u003e10,000–12,000+ cycles\u003c\/b\u003e (to 80% SOH at 0.5C charge\/discharge, 25°C, under optimized ESS conditions—sources vary from 8,000 to 15,000+ depending on DOD and temp, with many official claims at 12,000 cycles for long-term solar\/off-grid reliability and 20+ years calendar life).\u003c\/p\u003e\n\u003cp\u003e•\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eFully charged - 3.65V\u003c\/p\u003e\n\u003cp\u003e•\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eFully discharged - 2.5V (or 2.0V at low temps ≤0°C)\u003c\/p\u003e\n\u003cp\u003e•\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eStandard charge\/discharge rate - 0.5C (157a)\u003c\/p\u003e\n\u003cp\u003e•\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eMax Continuous Charge\/Discharge Current: 0.5C (pulse up to 1C possible in short bursts per similar models)\u003c\/p\u003e\n\u003cp\u003e•\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eDimensions - approx. 6.85 inches × 2.82 inches × 8.05 inches (174 mm × 71.5 mm × 204–207 mm)\u003c\/p\u003e\n\u003cp\u003e•\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eWeight - approx. 12.3 lbs per cell (5.6 kg ±0.25 kg)\u003c\/p\u003e\n\u003cp\u003e•\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eInternal Resistance - typically ≤0.21 mΩ (low IR for efficient operation and minimal heat)\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey highlights\u003c\/b\u003e:\u003c\/p\u003e\n\u003cp\u003e•\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eGrade A qualified cells with fresh 2025 production for top performance and longevity.\u003c\/p\u003e\n\u003cp\u003e•\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eHigh real-world capacity over-delivery (~330Ah common in tests), outperforming many 280Ah\/300Ah alternatives.\u003c\/p\u003e\n\u003cp\u003e•\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eUltra-safe LiFePO4 chemistry—no thermal runaway, excellent stability, dual insulation design.\u003c\/p\u003e\n\u003cp\u003e•\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eIdeal for DIY solar batteries, home ESS, off-grid, RV\/marine, or commercial storage—high energy density and efficiency.\u003c\/p\u003e\n\u003cp\u003eSecure this matched 2-pack of premium Sunwoda 314Ah cells—fresh stock from a respected brand, with flat studs for easy welding\/integration. Limited availability on these high-capacity ESS-grade cells! Great for scaling your battery builds affordably.\u003c\/p\u003e","brand":"Battery Hookup","offers":[{"title":"Default Title","offer_id":46678290104482,"sku":null,"price":180.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2398\/3077\/files\/IMG_4901.heic?v=1773680612"}],"url":"https:\/\/batteryhookup.com\/collections\/40-kwh-unused-surplus-laser-connection.oembed","provider":"Battery Hookup","version":"1.0","type":"link"}