Description
The Dell XCMRD OEM Replacement Laptop Battery is a standard-capacity, external clip-in power pack built for legacy Dell Inspiron, Vostro, and Latitude laptop lines. Its universal manufacturer part number is XCMRD .
Essential Features Summary:
| Feature Category |
Core Technical Data Point |
| Model & SKU Identifiers |
Dell OEM Part Number: XCMRD | Interchangeable P/Ns: FW1MN, 4WY7C, 0MF69, MR90Y |
| Cell Composition |
Lithium-Ion (Li-Ion) | 4-Cell internal cylindrical design |
| Charge Capacity |
40 Wh / Roughly 2700 mAh to 2900 mAh |
| Voltage Output |
14.8V (Note: Not backwards compatible with 11.1V configurations) |
| Safety Integration |
Over-charge protection, over-discharge mitigation, short-circuit defense |
| Useful Lifespan |
Rated for 300 to 500 complete discharge/charge cycles |
| Physical Proportions |
Standard black slide-in lock bars | Weight: ~255 grams (9 oz) |
| Hardware Fit Ecosystem |
Dell Inspiron: 15 (3521/3537/3542/3543), 14 (3421/3442), 17 (3721/3737)
Dell Latitude: 3440, 3540
Dell Vostro: 2421, 2521, 3446 |
