{"product_id":"eve-lf280k-280ah-lifepo4-battery-cells-brand-new-grade-a-with-qr-code","title":"EVE LF280K 280Ah LiFePO4 Battery Cells - Brand New Grade A with QR Code","description":"\u003ch3 data-zone-id=\"0\" data-line-index=\"0\" data-line=\"true\"\u003e\u003cspan style=\"color: rgb(255, 76, 76);\"\u003eFree Shipping \u0026amp; Free Tax\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"detail-desc-decorate-content\"\u003e\u003cspan\u003eThe Price listed is the final price! Free shipping, free customs duties and tax, You don't need to pay any other fees. \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"detail-desc-decorate-content\"\u003e\u003cspan\u003eAdvantage\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"53\" data-end=\"207\"\u003eThese original LiFePO4 cells come directly from EVE and are certified. The actual capacity of the cells is at least 310 Ah.\u003c\/p\u003e\n\u003cp data-start=\"209\" data-end=\"541\"\u003e✔️ 280Ah capacity – Ideal for energy storage projects\u003c\/p\u003e\n\u003cp data-start=\"209\" data-end=\"541\"\u003e✔️ Grade A+ quality – Automated production, tested with precise measuring equipment\u003c\/p\u003e\n\u003cp data-start=\"209\" data-end=\"541\"\u003e✔️ 8000+ cycles – Long lifespan for sustainable energy supply\u003c\/p\u003e\n\u003cp data-start=\"209\" data-end=\"541\"\u003e✔️ QR code engraved – Each cell individually marked\u003c\/p\u003e\n\u003cp data-start=\"209\" data-end=\"541\"\u003e✔️ Balanced cells – Ready for immediate use and of the highest quality\u003c\/p\u003e\n\u003ch3 data-start=\"432\" data-end=\"456\"\u003eSpecification\u003c\/h3\u003e\n\u003cp data-start=\"432\" data-end=\"456\"\u003e\u003cspan\u003eBattery brand: EVE\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"432\" data-end=\"456\"\u003eBattery model: EVE 280K\u003c\/p\u003e\n\u003cp data-start=\"432\" data-end=\"456\"\u003e\u003cspan\u003eChemistry: Lithium Iron Phosphate (LiFePO4 or LFP)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"432\" data-end=\"456\"\u003e\u003cspan\u003eNominal voltage: 3.2V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"432\" data-end=\"456\"\u003e\u003cspan\u003eOperational voltage: 2.5 V – 3.65 V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"432\" data-end=\"456\"\u003e\u003cspan\u003eNominal capacity: 280Ah\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"432\" data-end=\"456\"\u003e\u003cspan\u003eAC impedance resistance: ≤0.25mΩ\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"432\" data-end=\"456\"\u003e\u003cspan\u003eWeight: 5.6±0.3kg\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"432\" data-end=\"456\"\u003e\u003cspan\u003eDimensions (mm): 207.5*71.7*173.7±0.5\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"432\" data-end=\"456\"\u003e\u003cspan\u003eTerminal: M6\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"432\" data-end=\"456\"\u003e\u003cspan\u003eCycle life: ≥8000 cycles (0.5C\/0.5C,  25±2℃, 70%SOH)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"432\" data-end=\"456\"\u003e\u003cspan\u003eStandard charge\/discharge power: 0.5P\/0.5P\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"432\" data-end=\"456\"\u003e\u003cspan\u003eStandard charge\/discharge cut-off Voltage: 3.65V\/2.5V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"432\" data-end=\"456\"\u003e\u003cspan\u003eMax continuous charge\/discharge power: 0.5P\/0.5P\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"432\" data-end=\"456\"\u003e\u003cspan\u003eStorage temperature: 0℃~35℃\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"432\" data-end=\"456\"\u003e\u003cspan\u003eCharging temperature: 0℃~65℃\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"432\" data-end=\"456\"\u003e\u003cspan\u003eDischarging temperature: -30℃~60℃\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-immersive-translate-walked=\"48939508-3845-4a1a-80ec-32cf62890690\"\u003eDownload Document:\u003c\/h3\u003e\n\u003cp class=\"detail-desc-decorate-content\"\u003e\u003cspan\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/5344\/1838\/files\/EVE-LF280K_V1.pdf?v=1774251624\" title=\"EVE LF280K V1-Prodct Specification.pdf\" rel=\"noopener\" target=\"_blank\"\u003eEVE 280K  Cells Specification.pdf\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-end=\"30\" data-start=\"0\"\u003eImportant Installation Notice:\u003c\/h3\u003e\n\u003cp data-end=\"99\" data-start=\"32\"\u003eTo avoid contact resistance, the following points must be observed:\u003c\/p\u003e\n\u003cp data-end=\"745\" data-start=\"101\"\u003e✔️ Thoroughly clean the battery terminals with ethanol or pure alcohol to remove oxide layers.\u003cbr data-end=\"198\" data-start=\"195\"\u003e✔️ The terminals must not be touched with greasy fingers – they must be absolutely grease-free and clean.\u003cbr data-end=\"306\" data-start=\"303\"\u003e✔️ Ideally, the contacts should be cleaned with a brass brush or fine sandpaper (grit 1000).\u003cbr data-end=\"401\" data-start=\"398\"\u003e✔️ The contact surfaces of the cell connectors must also be carefully cleaned.\u003cbr data-end=\"482\" data-start=\"479\"\u003e❌ The use of assembly greases, copper paste, or similar substances must be strictly avoided – they cause contact resistance, which can lead to heat generation and measurement errors during operation. As a result, the full capacity of the cells cannot be utilized.\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"794\" data-start=\"747\"\u003e🔧 Tighten the M6 screws with a torque of 6 Nm.\u003c\/p\u003e\n\u003cp data-start=\"116\" data-end=\"536\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend a maximum discharge down to 2.70 V and a maximum charge of each cell up to 3.50 V.\u003c\/p\u003e\n\u003cdiv class=\"text-base my-auto mx-auto [--thread-content-margin:--spacing(4)] @[37rem]:[--thread-content-margin:--spacing(6)] @[72rem]:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:32rem] @[34rem]:[--thread-content-max-width:40rem] @[64rem]:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-model-slug=\"gpt-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-5\" dir=\"auto\" data-message-id=\"97941a22-5fca-48a3-ab78-ec3c45a34ade\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\"\u003e\n\u003cp data-end=\"280\" data-start=\"99\"\u003e48.0 V system: Max. voltage 56.0 V, Max. discharge 43.3 V\u003cbr data-end=\"159\" data-start=\"156\"\u003e24.0 V system: Max. voltage 28.0 V, Max. discharge 21.65 V\u003cbr data-end=\"220\" data-start=\"217\"\u003e12.0 V system: Max. voltage 14.0 V, Max. discharge 10.82 V\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-immersive-translate-walked=\"48939508-3845-4a1a-80ec-32cf62890690\"\u003e \u003c\/p\u003e\n\u003ch3 style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(32, 125, 233);\"\u003e\u003cstrong\u003eReal User Feedback: Why BetterESS LiFePO4 Batteries Stand Out\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cstyle\u003e\n  .review-carousel {\n    position: relative;\n    overflow: hidden;\n    width: 100%;\n    max-width: 600px;\n    margin: 30px auto;\n    text-align: center;\n    border-radius: 12px;\n    padding: 20px;\n    border: 1px solid #ccc;\n    background: #f9f9f9;\n  }\n\n  .review {\n    display: none;\n    transition: all 0.5s ease;\n  }\n\n  .review.active {\n    display: block;\n  }\n\n  .stars {\n    color: #f5a623;\n    font-size: 1.2rem;\n    margin-bottom: 10px;\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"review-carousel\"\u003e\n\u003cdiv class=\"review active\"\u003e\n\u003cdiv class=\"stars\"\u003e★★★★★\u003c\/div\u003e\n\u003ch4\u003e\"Very reliable cells\"\u003c\/h4\u003e\n\u003cp\u003eJohannes Becker\u003c\/p\u003e\n\u003cp\u003eGood quality! The EVE LF280K LiFePO4 cells arrived well-packaged and with identical voltage. Very reliable and powerful.. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n  \/* 视频容器 *\/\n  .video-wrapper {\n    display: flex;\n    justify-content: center;\n    padding: 20px 0;\n  }\n  .video-container {\n    position: relative;\n    width: 100%;\n    max-width: 800px; \/* 电脑端最大宽度 *\/\n    padding-bottom: 56.25%; \/* 16:9 高度百分比 *\/\n    height: 0;\n    overflow: hidden;\n  }\n  .video-container iframe {\n    position: absolute;\n    top: 0; left: 0;\n    width: 100%; height: 100%;\n    border: none;\n  }\n  \/* 手机端调整 *\/\n  @media (max-width: 600px) {\n    .video-container {\n      max-width: 100%; \/* 手机屏幕宽度100% *\/\n      padding-bottom: 56.25%; \/* 保持16:9比例 *\/\n    }\n  }\n\u003c\/style\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/5344\/1838\/files\/LF280K_1_f5d21878-4b37-483b-a543-a5a47387588e.jpg?v=1774346012\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/5344\/1838\/files\/LF280K_3_d0c961a3-04cb-4079-b54c-1e0f3df0e665.jpg?v=1774346011\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/5344\/1838\/files\/LF280K_4.jpg?v=1774346011\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/5344\/1838\/files\/LF280K_6_ebfff758-ef3d-4d42-a494-61694c337339.jpg?v=1774346011\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/5344\/1838\/files\/LF280K_7.jpg?v=1774346539\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/5344\/1838\/files\/LF280K_2_ba91e18a-8e95-40e6-915e-eb1d80eb6637.jpg?v=1774346011\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/5344\/1838\/files\/84ed97d3d2d17a099649150ae202da52.png?v=1749199242\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/5344\/1838\/files\/69931bc522826679fe59f4d2322f37c9.png?v=1749199245\"\u003e\u003c\/p\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cp\u003eThe warranty period is \u003cstrong\u003e5 years\u003c\/strong\u003e from the date you receive.\u003c\/p\u003e\n\u003cp\u003eWe only replace new cell for free due to the failure of manufacturing.\u003c\/p\u003e\n\u003cp\u003eBefore the shipment, we will detect the cell voltage\/resistance\/appearance and other issues. we can only ensure that single cell is good before the shipment.\u003c\/p\u003e\n\u003cp\u003eWhen arrival you can test the cells within 1 week, if you found problems please contact us for refund or replace. Any return behavior buyers need to be responsible for shipping fee.\u003c\/p\u003e\n\u003ch3\u003eRemark\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cp\u003ePlease read carefully all the description before taking orders, the battery is suitable for DIY lovers with experience, people who are not familiar with the safe use of lithium battery knowledge, please go to our shop to buy the finished product.\u003cbr\u003e\u003cbr\u003eDIY battery pack must get the cells balanced (same voltage ) before assembly.\u003cbr\u003eAnd we don’t accept refund for buyers who don’t know how to assembled or unbalanced assembly.\u003cbr\u003e\u003cbr\u003ePlease use the correct BMS during assembly. We don’t accept refund for the problem caused during assembly process or after the assembly. Such as not use the BMS, the BMS connected to the wrong wire lead to battery damage, charger failure, the assembly error or unbalanced assembly, etc.\u003cbr\u003e\u003cbr\u003eBefore assembling, please make sure use the same capacity cell and use the same brand of the cell. It is forbidden to mix cells with different capacity and brand in the same battery system. Otherwise, we will not be responsible for quality assurance.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eApplication\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp class=\"detail-desc-decorate-content\"\u003e\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i0.25142db8EayKPy\"\u003eSolar energy storage, solar power system, UPS supply, Engine starting battery, Electric bicycle\/motorcycle\/scooter, Golf trolley\/carts, RV, EV, Caravan So on.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"detail-desc-decorate-content\"\u003e\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i0.25142db8EayKPy\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/5344\/1838\/files\/003_compress.jpg?v=1752565861\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e📧 Contact us : \u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMore any questions about the BetterESS Power Battery? \u003cbr\u003eEmail:  \u003ca href=\"mailto:service@better-ess.com\"\u003eservice@better-ess.com\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"better-ess","offers":[{"title":"4 PCS \/ EU Stock (3-7 Days)","offer_id":51865557598510,"sku":null,"price":328.0,"currency_code":"USD","in_stock":true},{"title":"4 PCS \/ China (35-45 Days）","offer_id":51865557631278,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"8 PCS \/ EU Stock (3-7 Days)","offer_id":51865557664046,"sku":null,"price":653.0,"currency_code":"USD","in_stock":true},{"title":"8 PCS \/ China (35-45 Days）","offer_id":51865557696814,"sku":null,"price":677.0,"currency_code":"USD","in_stock":true},{"title":"16 PCS \/ EU Stock (3-7 Days)","offer_id":51865557729582,"sku":null,"price":1306.0,"currency_code":"USD","in_stock":true},{"title":"16 PCS \/ China (35-45 Days）","offer_id":51865557762350,"sku":null,"price":1330.0,"currency_code":"USD","in_stock":true},{"title":"24 PCS \/ EU Stock (3-7 Days)","offer_id":51865557795118,"sku":null,"price":1959.0,"currency_code":"USD","in_stock":true},{"title":"24 PCS \/ China (35-45 Days）","offer_id":51865557827886,"sku":null,"price":1995.0,"currency_code":"USD","in_stock":true},{"title":"32 PCS \/ EU Stock (3-7 Days)","offer_id":51865557860654,"sku":null,"price":2612.0,"currency_code":"USD","in_stock":true},{"title":"32 PCS \/ China (35-45 Days）","offer_id":51865557893422,"sku":null,"price":2660.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/5344\/1838\/files\/EVE280K_20.png?v=1774346539","url":"https:\/\/better-ess.com\/fr\/products\/eve-lf280k-280ah-lifepo4-battery-cells-brand-new-grade-a-with-qr-code","provider":"BetterESS","version":"1.0","type":"link"}