On Windows:
| Feature | Genuine ("Xịn") | Fake/Knock-off | | :--- | :--- | :--- | | | Solid, heavy | Light, cheap feel | | Print | Crisp, clear fonts | Fuzzy, typo-prone | | Fit | Snug, perfect | Loose or tight | | Health | Matches description | Drains erratically | | Heat | Warm only | Hot to the touch | xem pin xes better
| Characteristics | Lead-Acid Batteries | Lithium-Ion Batteries | | --- | --- | --- | | Energy Density (Wh/kg) | 30-50 | 100-150 | | Cycle Life | 300-500 | 5000+ | | Depth of Discharge (DOD) | 50% | 80% | | Maintenance | High | Low | | Weight | Heavy | Lightweight | On Windows: | Feature | Genuine ("Xịn") |
Genuine batteries are manufactured with precision. Fakes often cut corners. heavy | Light
Technical Assessment (Strengths)