2-power 2P-5D10G90550 – 39,6 cm (15,6 inch)

Laptop batteries degrade over time, leaving you tethered to a wall outlet and cutting short your productivity. The 2-Power 2P-5D10G90550 battery restores reliable, long-lasting power to your Dell Latitude or Precision laptop, so you can work unplugged with confidence. Built with high-quality lithium-ion cells, it delivers consistent performance and safety, matching or exceeding the original battery specifications.

Who is it for

This battery is ideal for professionals, students, and anyone who depends on their Dell Latitude E5440, E5540, E6440, E6540, or Precision M2800 laptop throughout the day. If you're tired of carrying your charger everywhere or your current battery no longer holds a charge, this replacement is a cost-effective solution to extend the life of your laptop.

Main features

• 6-cell lithium-ion battery with 49Wh capacity for extended runtime
• 11.1V output voltage ensures stable power delivery
• 4400mAh capacity provides ample power for daily tasks
• Integrated protection against overcharge, over-discharge, overheating, and short circuits
• CE, FCC, and RoHS certified for safety and environmental compliance
• Designed as a direct replacement for original Dell batteries, no software updates needed

Specifications

• Battery type: Lithium-Ion (Li-ion)
• Voltage: 11.1 V
• Capacity: 4400 mAh
• Energy: 49 Wh
• Number of cells: 6
• Colour: Black
• Compatibility: Dell Latitude E5440, E5540, E6440, E6540, Precision M2800
• Protection: Overcharge, over-discharge, overheat, short-circuit
• Certifications: CE, FCC, RoHS
• Cycle life: 300-500 cycles
• Operating temperature: 0°C to 45°C
• Storage temperature: -20°C to 60°C
• Rechargeable: Yes
• Mounting: Internal (removable)

Tips

To maximise battery lifespan, avoid extreme temperatures and perform a full charge-discharge cycle once a month. Calibrate your laptop's battery meter after installation by fully charging, then discharging until the system shuts down, and recharging to 100%.