Laptop battery MITSU for Dell 5481/5590 3600mAh 41Wh 11.4V (MPN 5BM729)

The MITSU laptop battery for Dell 5481 and 5590 models is a reliable power solution designed to restore the mobile performance of your device. With a capacity of 3600mAh and a nominal voltage of 11.4V, this replacement battery provides the necessary energy to keep your laptop running during daily tasks. It is engineered to match the original specifications, ensuring a seamless fit and consistent power delivery for compatible Dell systems.

Advantages

This replacement battery offers a cost-effective way to extend the lifespan of your laptop without compromising on compatibility. By utilizing high-quality cells, it provides stable power output and reliable performance for everyday computing needs. The design mirrors the original manufacturer's dimensions and connector configuration, allowing for a straightforward installation process that does not require specialized tools or technical modifications.

Suitable for

• Daily office productivity and document editing
• Web browsing and media consumption
• Remote work and study sessions
• Replacing degraded or non-functional original batteries

This battery may not be suitable for high-performance tasks such as professional video editing, 3D rendering, or intensive gaming, which typically require higher power output and longer runtime than this standard capacity unit provides. It is also not intended for use with laptop models outside of the specified Dell 5481 and 5590 series.

Key specifications

• Capacity: 3600mAh (41Wh)
• Voltage: 11.4V
• Compatibility: Dell 5481 and 5590 series
• Technology: Lithium-ion

To install the battery, ensure your laptop is completely powered off and disconnected from the AC adapter. Open the laptop chassis according to the manufacturer's service manual, carefully remove the old battery, and insert the MITSU unit into the designated compartment. Secure the battery with the original screws and reconnect the internal power cable before closing the casing.

What to consider before purchase

• Verify your specific laptop model number matches the compatibility list
• Check the voltage and capacity requirements of your current battery
• Ensure the physical shape and connector type match your existing unit

Usage recommendations: For optimal battery health, avoid exposing the laptop to extreme temperatures and perform a full charge cycle at least once a month. Keep the battery charged between 20% and 80% for long-term storage to maintain cell integrity.