CATL 3.2V LiFePO4 Battery Cell — 280Ah Grade A
Short Description
Unlock the legendary performance of CATL 280Ah Grade A prismatic cells. As the global leader in battery technology, CATL delivers unmatched stability, exceptional cycle life, and world-class safety for your DIY energy storage projects. Ideal for high-demand RV setups, off-grid power banks, and solar home storage, these cells are 100% brand new, factory-matched, and ready to provide years of reliable power.
Key Features
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100% Authentic CATL Quality: Genuine Grade A cells directly from the world’s #1 battery manufacturer. No B-grade, no cycle-test rejects.
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Massive 280Ah Capacity: Perfect for building high-density, long-lasting energy storage banks.
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Industry-Standard Durability: Engineered for 6000+ deep cycles at 80% DOD. Designed to outlast your equipment.
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Factory-Matched Precision: Every set is strictly matched for capacity (Ah) and internal resistance (mΩ) before shipping to ensure pack-level balance and longevity.
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Proven Stability: Superior thermal management and consistent voltage curve under varying discharge loads.
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Versatile DIY Power: The gold standard for 4S (12V), 8S (24V), or 16S (48V) battery packs.
Specifications
| Specification | Details |
| Manufacturer | CATL (Contemporary Amperex Technology Co. Limited) |
| Model | CATL 280Ah (Grade A) |
| Nominal Voltage | 3.2V |
| Nominal Capacity | 280Ah |
| Cycle Life | ≥ 6000 cycles @ 80% DOD |
| Internal Resistance | ≤ 0.25 mΩ (Factory fresh) |
| Max Charge Current | 1C (280A) |
| Max Discharge Current | 1C (280A) |
| Weight | ~5.45 kg |
| Dimensions | 173 × 72 × 205 mm |
| Terminals | M6 Threaded Stud |
| Certifications | UL1642, IEC62619, CE, UN38.3, MSDS |
Why Choose CATL 280Ah?
CATL isn't just a brand—it's the power source for the world's leading electric vehicles. Choosing CATL 280Ah means you are building your battery bank with the same chemistry and engineering precision used in top-tier automotive applications. It is the ultimate choice for users who refuse to compromise on safety and longevity.
What’s in the Box?
To make your DIY journey seamless, every single cell purchased comes fully equipped with premium accessories:
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1 x CATL 280Ah LiFePO4 Battery Cell
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1 x Copper Busbar (Flexible or Solid options available)
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2 x Nuts/Bolts
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1 x Custom-Cut Epoxy Insulation Sheet/ Epoxy Board
Important Safety Notice
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Top-Balance: Essential before initial assembly.
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BMS Requirement: Must be used with a compatible LiFePO4 BMS to monitor individual cell voltage and prevent overcharge/over-discharge.
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Safety First: Never short-circuit terminals. Ensure all connections are tightened to specification. Assembly by qualified individuals only.
Warranty
Ampbird stands behind the quality of our CATL inventory with a 5-year limited warranty against manufacturing defects and excessive capacity loss.