EVE LF280K 3.2V 280Ah LiFePO4 Prismatic Battery Cell – 5.49kg High-Capacity Standard Size for Home ESS, RV Solar Systems & Off-Grid Power Walls
Description
Product Description:
The EVE LF280K is the industry-standard 3.2V 280Ah lithium iron phosphate (LiFePO4) prismatic battery cell, widely recognized for its robust capacity and reliable performance in large-scale energy storage. With a substantial 280Ah rating and a classic 207.2mm x 173.7mm x 71.7mm form factor, this cell delivers the massive energy reserves required for high-demand applications.
Weighing approximately 5.49kg and featuring an ultra-low internal resistance of ≤0.3mΩ, the LF280K ensures maximum power transfer efficiency and minimal heat generation under sustained heavy loads. Built with advanced LiFePO4 chemistry, it offers excellent thermal stability, a long cycle life, and superior safety. It is the ideal core building block for residential solar storage, commercial energy storage cabinets, and large-scale off-grid battery banks.
Key Features:
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EVE LF280K Premium Cell: High-quality 280Ah prismatic LiFePO4 battery from the trusted brand EVE.
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280Ah High Capacity: Delivers massive energy storage for extended runtimes and high-power equipment.
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Industry-Standard Form Factor: Measures 207.2mm x 173.7mm x 71.7mm, compatible with most ESS and storage systems.
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Low Internal Resistance (≤0.3mΩ): Ensures efficient energy transfer and minimal heat generation during high-current discharge.
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Advanced LiFePO4 Safety Chemistry: Superior thermal stability, explosion-proof design, and enhanced safety against overcharging and short circuits.
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Long Cycle Life: Designed for thousands of charge/discharge cycles, providing exceptional long-term value.
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Versatile Applications: Ideal for home energy storage, RV solar systems, commercial ESS cabinets, and large DIY battery pack assembly.
Product Parameters:
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Brand: EVE
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Model: LF280K
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Cell Type: LiFePO4 (Lithium Iron Phosphate)
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Nominal Capacity: 280Ah
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Nominal Voltage: 3.2V
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Internal Resistance: ≤0.3mΩ
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Weight: 5490g ± 300g
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Dimensions: 207.2mm (Length) x 173.7mm (Width) x 71.7mm (Height)
Applications:
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Home Solar Energy Storage: Core power cell for residential solar battery banks and home ESS.
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RV & Camper Power Systems: High-capacity power for large 12V/24V RV battery banks.
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Commercial Energy Storage Cabinets: Reliable core for standardized ESS racks and cabinets.
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Off-Grid & Backup Power: Massive storage for large-scale off-grid solar farms and emergency backup systems.
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Large DIY Battery Packs: Ideal for building custom 12V, 24V, or 48V battery packs with high power requirements.
Frequently Asked Questions (FAQ):
Q1: What is the capacity of this battery?
A1: This EVE LF280K cell provides a robust 280Ah capacity, delivering massive energy storage for high-demand applications.
Q2: What is the internal resistance of this cell?
A2: The internal resistance is ≤0.3mΩ, ensuring efficient power transfer and low heat generation even under heavy sustained loads.
Q3: What is the advantage of the LF280K over the LF230?
A3: The LF280K offers 50Ah more capacity than the LF230, making it the ideal choice for users who need maximum energy storage. Its 71.7mm thickness is the standard size for most commercial ESS cabinet designs.
Q4: How many cells do I need for a 12V battery pack?
A4: For a standard 12.8V system, you will need 4 cells connected in series (4S). For a 24V system, use an 8S configuration.
Q5: What kind of charger should I use for this battery?
A5: 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.
Shipping and Returns
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Free Shipping: Enjoy free shipping on all orders over $65. For orders under $65, the shipping cost is $8.99.
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Delivery Time: Once shipped, orders typically arrive within 7–15 business days.
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Easy Returns: We want you to be completely satisfied. If you're not, you can return your product within 30 days of receiving your order. Please ensure the items are unused and in their original condition. For return instructions, please contact our support team.
Payment & Security
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Security
The DIY powerwall standard for good reason. Quality, capacity, and value unmatched in the market.
Laser-welded terminals. No resistance issues. Solid electrical connection.
The batteries arrived faster than expected and were packed in thick foam. No damage to the terminals. They¡¯ve been running my off-grid lights for a week now.
Quick responses to technical questions. Provided detailed documentation.
I shopped around a lot before buying the LF280K. They seem to be the real Grade A EVE cells, and the price point is unbeatable for this capacity. Very happy so far!
Refund Policy
OneAndes Return & Refund Policy
At OneAndes, we are committed to providing high-quality cylindrical lithium-ion batteries for your drones, vacuums, garden tools, and other power needs. If you are not completely satisfied with your purchase, we are here to help. Please read our full return policy below before initiating a return.
1. Return Window
You have 30 calendar days from the date you received your item(s) to request a return. Any return request submitted after 30 days will not be eligible for a refund or exchange.
2. Eligibility Conditions
To qualify for a return, all items must meet the following conditions:
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Condition: Items must be unused, undamaged, and in the same condition that you received them.
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Packaging: Items must be returned in their original packaging with all accessories, manuals, and protective covers intact.
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Proof of Purchase: A valid receipt, order confirmation email, or proof of purchase must accompany all returns.
Non-Returnable Items:
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Batteries that have been installed, used, or show any signs of wear.
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Items marked as “Final Sale” or “Clearance” at the time of purchase.
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Customized or special-order products.
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Gift cards.
If a returned item fails to meet these conditions, we reserve the right to deny the return or charge a restocking fee.
3. How to Initiate a Return
Follow these steps to return your product:
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Contact Us: Email our support team at support@oneandes.com with your order number and the reason for return. We aim to respond to all return requests within 24 hours on business days.
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Receive RMA: We will provide you with a Return Merchandise Authorization (RMA) number and return instructions. Do not ship any item without an RMA number.
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Pack Securely: Place the item in its original packaging, include all accessories, and clearly write the RMA number on the outside of the box.
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Ship to Our US Warehouse: Ship the package to the following address:
OneAndes Returns
10320 6th St
Rancho Cucamonga, CA 91730
USA*Important: Lithium-ion batteries are classified as hazardous materials (Class 9). Please follow the shipping guidelines provided in Section 4 below. We recommend using a trackable shipping service and purchasing shipping insurance, as we cannot guarantee receipt of your returned item.*
4. Return Shipping Costs
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Defective or Incorrect Items: If the item you received is defective, damaged in transit, or different from what you ordered, OneAndes will cover the return shipping cost. In this case, we will provide you with a prepaid return shipping label.
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Buyer’s Remorse / Non-Defective Returns: If you are returning an item for any other reason (e.g., no longer needed, ordered the wrong model), you are responsible for the return shipping costs. You must prepay the return shipping cost using a trackable carrier that accepts lithium batteries. We do not provide prepaid return labels for non-defective returns.
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Lithium Battery Shipping Regulations: By law, all returns must be shipped in compliance with applicable dangerous goods regulations. We will provide guidance on proper packaging and labeling. Failure to comply may result in carrier refusal, seizure, or additional fees. We are not responsible for returned items lost or rejected by the carrier due to improper shipping.
5. Refunds
Once we receive and inspect your return at our Rancho Cucamonga, CA facility, we will notify you via email of the approval or rejection of your refund.
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Approved Refunds: If approved, your refund will be processed to your original method of payment within 5 to 10 business days. Please note that depending on your bank or credit card issuer, it may take additional time for the credit to appear on your statement.
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Partial Refunds: In certain situations, only partial refunds may be granted:
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Items not in original condition, missing parts, or damaged for reasons not due to our error.
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Items returned more than 30 days after delivery (reviewed on a case-by-case basis).
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Non-Refundable Fees: Original shipping charges are non-refundable unless the return is due to our error (defective product or incorrect shipment).
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Restocking Fee: We do not charge a restocking fee for defect-free returns, but we may deduct the return shipping cost, which will be deducted from your refund.
6. Exchanges
We replace items only if they are defective or damaged upon arrival. If you need to exchange a defective item for the same product, please contact us at support@oneandes.com. Exchanges are subject to product availability.
If you ordered the wrong battery size or model, please follow the standard return process above and place a new order for the correct item.
7. Damaged or Missing Items
If your package arrives visibly damaged, please take photos of the package before opening and contact us immediately. We will work with the shipping carrier to file a claim and arrange for a replacement or refund. Damaged or missing item claims must be reported within 7 calendar days of delivery. For immediate assistance, you may also call us at (213) 316-8849.
8. Order Cancellation
You may cancel your order without penalty if it has not yet been shipped. To cancel, email us at support@oneandes.com as soon as possible. If the order has already been processed or shipped, you will need to follow the standard return process upon receipt.
9. Warranty
All OneAndes batteries are backed by a 12-month limited warranty against defects in materials and workmanship. This warranty does not cover damage caused by misuse, improper charging, unauthorized modifications, normal wear and tear, or use outside of manufacturer specifications. For warranty claims, please contact our support team.
10. Contact Us
If you have any questions about our Return & Refund Policy, please reach out:
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Email: support@oneandes.com
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Phone: (213) 316-8849 (Mon-Fri, 9 AM – 5 PM Pacific Time)
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Mailing Address: 10320 6th St, Rancho Cucamonga, CA 91730, USA
We aim to respond to all inquiries within 24 hours during business days. Please include your order number for faster assistance.