

Dell 3-Cell 42Wh Laptop Battery - 7FMXV
Brand: Dell
Model: Dell Latitude 5280, 5290, 5480, 5490, 7280, 7290, 7380, 7390, and select Inspiron/Vostro laptops
Capacity: 42 Wh
Power: 11.4 V
Features: Overcharge protection, temperature control, short-circuit protection
Color: Black
Product Overview
The Dell Latitude 5280, 5290, 5480, 5490, 7280, 7290, 7380, 7390, and select Inspiron/Vostro laptops is a laptop battery designed for restoring reliable battery life. As a dependable laptop battery, it brings together its verified specifications to deliver consistent, everyday value for home, office, and business users.
Key Features
- Brand: Dell
- Model: Dell Latitude 5280, 5290, 5480, 5490, 7280, 7290, 7380, 7390, and select Inspiron/Vostro laptops
- Capacity: 42 Wh
- Power: 11.4 V
- Dimensions: ~20.0 × 5.0 × 0.8 cm (approximate)
- Cell Count: 3-Cell
- Technology: Li-Polymer internal chemistry
- Weight: ~0.20–0.25 kg
- Typical Runtime: ~3–5 hours depending on workload
Performance & Efficiency
In day-to-day use, it delivers capacity of 42 Wh, power of 11.4 V. These verified specifications support dependable operation for restoring reliable battery life.
Compatibility & Expandability
The laptop battery is designed to fit common laptop battery setups, making it easy to add to your existing devices and infrastructure without complicated configuration.
Connectivity, Storage & Features
Key connectivity and functional details include Features: Overcharge protection, temperature control, short-circuit protection.
Design & Build Quality
In terms of build, it features dimensions ~20.0 × 5.0 × 0.8 cm (approximate), weight ~0.20–0.25 kg, color Black, giving it a practical, well-considered design suited to daily use.
Ideal For
- Replacing worn-out batteries
- Restoring laptop runtime
- Mobile and on-the-go use
- Compatible laptop models
General
- Battery Capacity4200 mAh
- Voltage11.4V



