Dell 45Whr 4-Cell Lithium-Ion Laptop Battery (451-BBCG) for Latitude, Inspiron, Vostro

Running out of power mid-task can derail your entire workday. The Dell 45Whr 4-Cell Lithium-Ion Battery (451-BBCG) restores dependable, long-lasting energy to your compatible Dell laptop, so you can stay productive without hunting for an outlet. This genuine Dell battery is engineered to meet original specifications, delivering consistent performance and safety.

Who is it for

This battery is ideal for professionals, students, and anyone who needs their Dell Latitude, Inspiron, or Vostro laptop to last through meetings, classes, or travel. If your current battery drains quickly or no longer holds a charge, this replacement brings your device back to full mobility.

Main features

• 45Whr capacity with 4-cell lithium-ion chemistry for extended runtime
• 11.4V nominal voltage and approximately 3947mAh current capacity
• Built-in overcharge, over-discharge, and short-circuit protection
• Compatible with Dell Latitude 3440, 3540, E5440, E5540; Inspiron 14 (3442), 15 (3542), 17 (3742); Vostro 2421, 2521
• CE, FCC, and RoHS certified for quality and environmental compliance

Specifications

• Battery type: Lithium-Ion (Li-Ion)
• Number of cells: 4
• Energy capacity: 45 Whr
• Nominal voltage: 11.4 V
• Current capacity: approx. 3947 mAh
• Rechargeable: Yes
• Colour: Black
• OEM part numbers: G019Y, 0G019Y, F49WX, 0F49WX, N5YH9, 0N5YH9, VJXMC, 0VJXMC

Tips

To maximise battery lifespan, avoid extreme temperatures and fully discharge the battery once a month. Always use a genuine Dell charger for optimal charging performance. Verify your laptop model against the compatibility list before purchase.