Cornex 3.2V 314Ah LiFePO4 Prismatic Battery Cells (4PCS)– 6,000 Cycles, A-Grade with QR Traceability, EU Stock for Solar ESS & RV

$ 374.00

A-Grade Quality with Full Traceability: Each cell features an intact, scannable QR code for full production traceability – from raw material batch to final test data.
6,000 Deep Cycles @ 80% DOD: Engineered for long-term reliability – 6,000 cycles at 80% depth of discharge, ensuring decades of service life in daily cycling applications.
Strict Voltage & IR Testing: Every cell undergoes 100% factory testing for open-circuit voltage, AC internal resistance, and capacity grading – ensuring consistent cell-to-cell matching.
European Warehouse Stock: Pre-positioned in EU warehouses for 3–7 working day delivery – skip the 50-day ocean freight wait.
Full Certifications: UN38.3, MSDS, CE certified – compliant for air, sea, and road transport.

Specification

Item	Performance

Model	Cornex PF173-314A
Cell Grade	Brand New Grade A Cell
Chemistry	Lithium Iron Phosphate(LiFePO4 or LFP)
Nominal Capacity	314Ah
Nominal Voltage	3.2V
Nominal Voltage	2.5V–3.65V
AC Impedance Resistance(1KHz)	0.19±0.05 mΩ
Weight	5.6±0.084Kg
Dimensions	L6.85W2.82H8.15 in L174W71.7H207 mm
Cycle Life	≥6000 Cycles
Residual Capacity loss	Per month ≤3.0%
Charging Temperature	0℃~60℃
Discharging Temperature	-20℃~60℃

📸Battery Visuals & Physical Inspection

Cell Appearance
The Cornex 3.2V 314Ah cell features a robust prismatic aluminum housing with a blue PVC insulation sleeve. Key visual characteristics are as follows:

Housing Material: High-strength aluminum alloy – excellent thermal conductivity and corrosion resistance.
Insulation: Blue PVC shrink-wrap – provides electrical insulation and mechanical protection.
Terminals: Dual stud terminals (positive/negative) – compatible with standard busbar connections.
QR Code: Laser-etched on the top surface – scannable for full production traceability.
Vent Valve: Integrated safety vent – releases internal pressure in overpressure conditions.
Dimensions: 207.2 × 71.7 × 173.7 mm (L × W × H).
Weight: Approximately 5,650g per cell.

🔬 Voltage & Internal Resistance Testing – What You Need to Know

Every Cornex 314Ah cell undergoes rigorous factory testing before shipment. Understanding these parameters is critical for building a well-balanced battery pack.

WHO IS SUITABLE TO BUY?

DIY Enthusiasts
Home Solar + Storage
RV Traveler
Marine & Golf Carts
Off‑Grid & Remote Area Power
Utility & Grid Storage

📢 NOTE BEFORE PURCHASE

1. One CORNEX 3.2V 314Ah Cell will come with one set busbar, bolt, and washer for free. (e.g. 4 Cells will come with 4 pcs(busbars + bolts + washers) .
2. Each cell shall be used under strict monitoring, control, and protection by the BMS.
3. Before the first use, always charge the cells to full voltage.
4. We will match (capacity, voltage, resistance) all cells before delivery.
5. The battery is suitable for DIY lovers with experience.

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