Cornex LiFePO4 280Ah Cell

SKU: Cornex-280

Original price was: $69.99.Current price is: $37.99.

46% Off

  • Premium Grade A LiFePO4 Cells: Experience maximum performance and longevity with our brand-new, top-tier Cornex 280Ah cells, ensuring superior cycle life and safety.
  • High-Capacity Energy Solution: Each pack is configured with a minimum of four Cornex 280Ah LiFePO4 cells, providing a robust foundation for large-scale solar, off-grid, or marine power systems.
  • Complete & Ready-to-Assemble Kit: Simplify your installation with a full hardware set included for each cell: one battery busbar, two metal shims, and two screws.
  • Unmatched Reliability with 5-Year Warranty: Invest with absolute confidence, backed by our comprehensive long-term warranty that guarantees peace of mind.
  • Comprehensive Door-to-Door Shipping Solutions.
  • International Seafreight to Destination Port. (Port of Discharge)
  • Air Freight, DDP(Delivered Duty Paid): 14~21 days, door-to-door.
  • Ocean Freight, FCA/FOB/CIF: Vary from 20 to 50 days depends on port of destination, port-to-port.
  • 12~36 Months Limited Warranty. (Excluding accident, misuse, abuse, neglect, unauthorized repairs or alterations, or normal wear and tear.)
1. Are lithium batteries considered hazmat for shipping?

Yes. Lithium batteries are classified as Class 9 Miscellaneous Dangerous Goods under international and national transportation regulations (such as the IATA DGR for air transport).
They are considered hazardous material (“hazmat”) for shipping because they pose a risk of:

  • Short Circuit: Which can lead to overheating.
  • Fire: If damaged, defective, or improperly packaged, they can catch fire.
  • Explosion: A fire can lead to a rapid release of energy.

Consequently, their shipment is strictly governed by specific packaging, labeling, documentation, and quantity restrictions based on the mode of transport (air, sea, ground).

2. Why is the shipping cost for lithium batteries higher?

Shipping costs for lithium batteries are high due to the significant risks and specialized handling they require.

The primary reasons are:

  • Hazardous Material (Dangerous Goods) Surcharges: Carriers add substantial fees to manage the inherent fire risk of lithium batteries.
  • Specialized Packaging: Mandatory use of non-conductive, fire-retardant, and damage-resistant packaging to prevent short circuits and thermal events.
  • Regulatory Compliance: Costs associated with required dangerous goods training, certified documentation, and specific labeling for each package.
  • Limited Carrier Options & Segregation: Fewer carriers accept lithium batteries, and they often must be stored separately, adding logistical complexity.

In short, the high cost directly reflects the safety measures needed to mitigate the risk of fire during transit.

In stock

Cornex LiFePO4 280Ah Cell

Specification
Nominal Voltage3.2VRT, 0.5P/0.5P
Rated Charging Capacity280AhRT, 0.5P/0.5P
Rated Discharging Capacity280AhRT, 0.5P/0.5P
Rated Charging Energy896WhRT, 0.5P/0.5P
Rated Discharging Energy896WhRT, 0.5P/0.5P
AC Internal Resistance0.18±0.05mΩRT, 1kHz
Standard Charging Power448WRT, 0.5P
Max. Cut-off Charging Voltage3.65V
Max. Charging Temp. Range-10℃~55℃
Optimal Charging Temp. Range10℃~35℃
Standard Discharging Power448WRT, 0.5P
Max. Pulse Discharging Power896WRT, 50%SOC, 10s
Min. Cut-off Discharging Voltage2.5V(T>0℃), 2.0V(T≤0℃)
Max. Discharging Temp. Range-30℃~55℃
Optimal Discharging Temp. Range10℃~35℃
Max. Storage Temp. Range40℃~60℃
Optimal Storage Temp. Range10℃~35℃
Optimal Storage SOC30%~50%SOC
Storage Humidity≤75% RH
Delivery SOC20%SOC
Cycle Life≥6000 Cycles
Cell Dimension71.5±0.5*174.4±0.5*207.2±0.5mm
Cell Weight5.4±0.2kg
Cornex Battery has established itself as a prominent manufacturer dedicated to advancing lithium iron phosphate (LiFePO4) technology. The company focuses on delivering robust, safe, and high-capacity battery solutions that cater to a diverse range of applications, from residential and commercial energy storage to complex industrial power systems and recreational vehicles.

A cornerstone of their product lineup is the exceptional Cornex LiFePO4 280Ah cell, a unit renowned for its outstanding cycle life, stable performance, and deep discharge capability. This cell serves as a reliable building block for creating powerful battery packs, ensuring long-term reliability and efficiency. Building upon this success, Cornex continues to push the boundaries of energy density with innovations like the Cornex Battery 314Ah LiFePO4. This higher-capacity option provides even greater energy reserves in a compact form factor, allowing users to maximize their power availability while optimizing space.

By prioritizing stringent quality control, superior thermal stability, and a commitment to innovation, Cornex Battery provides dependable energy storage solutions. The company empowers its customers to achieve greater energy independence, highlighting its role as a key player in the global transition towards sustainable and efficient power management.

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