PF288-588A LFP Cell for ESS Product Specification

This product specification defines the performances and notes of the PF288-588A LFP cell for ESS produced by Cornex. The cell has a nominal capacity of ≥588Ah and nominal energy ≥1881.6Wh, operating voltage 2.5-3.65V (T>0°C) or 2.0-3.65V (T≤0°C), and impedance 0.13±0.05mΩ. Standard test conditions include 0.5P constant power charge/discharge at 25±2°C. Key performance parameters include high temperature charge/discharge energy efficiency ≥96% at 45°C, low temperature efficiency ≥85% at 5°C, and rate charging energy retention ≥100% for 1P vs 0.5P. The cell meets safety standards per GB/T 36276-2023, with voltage and temperature warnings. It weighs 10.2±0.2kg, operates at altitudes ≤6000m, and has a monthly residual capacity loss ≤1% under specified storage. The document covers scope, basic parameters, test conditions, electrochemical, environmental, durability, safety performance, appearance, packaging, transportation, storage, and end-of-life management.