Poland Warehouse Stock Grade A 280Ah 9000 Cycle Lifepo4 Battery Cell with Free

Free shipping included with VAT for EU warehouse stock.

CALB is a leading research and manufacturing company specializing in battery technology. With extensive intellectual property holdings, their products have gained worldwide popularity. CALB contributes to green power utilization and CO2 reduction through global shipments.

Scientific Research Innovation Platform: Ten major platforms including "National Enterprise Technology Center," "Postdoctoral Research Workstation," and "Henan Engineering Technology Research Center."

Intellectual Property: 100% core technology coverage with patents in China, United States, Europe, and other regions. Awarded China Excellent Patent Award and multiple certifications.

Scientific Achievements: 22 research projects passed technological achievements appraisal, with 10 recognized as internationally advanced and 1 as internationally leading level.

9000 Cycles: 0.5C charge to 3.65V, 0.5C discharge to 2.5V as a cycle. After 9000 cycles, 80% capacity remains.

EU Warehouse Stock, Poland Warehouse Stock, VAT included, Shipping Included

The 280Ah LiFePO4 lithium battery is ideal for DIY solar energy storage and off-grid backup systems. Suitable for caravan, camp caravan, golf cart, forklift, electrical bike, motorbike, and various energy storage applications.

Screw-connected prismatic battery cells can be easily mounted with bus bars and screws, making them perfect for DIY projects.

• Safety: Safest lithium battery with built-in PCM/PCB, non-flammable and non-explosive
• Clean Energy: No toxic materials contained
• Long Life Cycle: 80% capacity remains after 500 deep cycles
• No Memory Effect: Highly efficient charging anytime with no capacity reduction
• Operation Temperature: -20~55°C
• High Temperature Performance: Excellent performance and high temperature resistance
• Low Self-discharge: < 3% monthly

All batteries undergo testing before shipment to ensure quality and performance.

• Exercise caution when working with electrical equipment
• Wear safety glasses and gloves when appropriate
• Ensure cells are within operating temperature range prior to use
• Do not use if cells are punctured, damaged, or leaking
• Provide adequate protection during assembly and use
• Dispose of properly at recycling facilities
• Do not submerge in water
• Avoid direct heat, extreme temperatures, or fire
• Prevent harsh impacts or extreme vibrations

Protected with foam and UN-certified cartons for safe transportation.

• Do not submerge the battery in water
• Do not insert batteries with (+) and (-) reversed
• Do not disassemble, dispose in fire, heat, or short circuit
• Do not expose batteries to sunlight for long periods
• Do not keep batteries close to children
• Do not short circuit the battery in any situation
• Do not discharge new batteries - fully charge them first
• Do not open the battery safety valve
• Do not violently wrest the screw on the terminal
• Do not mix different brands, capacities, or conditions

Please check all battery voltages and inner resistance to ensure they are balanced before DIY assembly. All batteries are tested before shipment, but additional testing is recommended. Basic knowledge of electronics and battery assembly is required. No refund or warranty for unprofessional operations. Minor scratches may occur during transportation but do not affect performance.

Note: We ship to other countries - contact us for details. Honest and reliable shipping services provided.

Initial balance is crucial for all LiFePO4 cells, regardless of grade or condition. Voltage alone is unreliable for determining state of charge due to the flat charge/discharge curve. Proper balancing ensures accurate capacity testing and prevents BMS triggers during operation.

For large battery banks or cells with varying internal resistance, manual top balancing is recommended. Parallel connection allows natural balancing but can take weeks or months. Professional balancing ensures optimal performance and longevity.