Battery Cell Grading Explained: How Manufacturers Sort Lithium-Ion Cells by Quality and Performance
🔋 iAtlas Battery #30 | 🏭 Manufacturing → 📊 Battery Cell Grading Not every lithium-ion battery cell leaving a production line performs exactly the same. Even when cells use the same materials, design, and manufacturing process, small variations can appear in capacity, open circuit voltage, internal resistance, self-discharge, and other characteristics. These differences matter when…