MITSU Laptop Battery for Dell Latitude 7390 and 7490, 5800 mAh, 7.6V

The MITSU laptop battery is a high-quality replacement power source specifically engineered for Dell Latitude 7390 and 7490 series laptops. Designed to meet or exceed original manufacturer specifications, this battery provides a reliable energy supply for your portable computer, allowing you to work, study, or travel without constant reliance on a power outlet. By utilizing premium-grade cells, the battery ensures consistent voltage delivery and stable performance throughout its lifecycle, effectively restoring the original mobility and runtime of your device.

Advantages

This replacement battery offers a seamless fit and reliable power management for your Dell laptop. The high-capacity 5800 mAh design ensures that your device maintains its operational efficiency for extended periods. Because it is built with advanced cell technology, it provides a safe and durable alternative to aging or degraded batteries, helping to prevent unexpected shutdowns and performance drops. The unit is designed for easy installation, allowing users to quickly restore their laptop's independence from wall chargers.

Suitable for

• Replacing degraded batteries in Dell Latitude 7390 laptops
• Restoring battery life for Dell Latitude 7490 models
• Users requiring a reliable backup power source for mobile work
• Extending the operational lifespan of existing business laptops

This battery may not be suitable for laptop models outside of the specified Dell Latitude 7390 and 7490 series. It is also not intended for use in devices that require a different voltage or physical connector configuration, as attempting to install an incompatible battery can lead to hardware damage or safety risks.

Key specifications

• Capacity: 5800 mAh (44Wh)
• Voltage: 7.6V
• Compatibility: Dell Latitude 7390, 7490
• Cell quality: High-grade lithium-ion

How to use

To install the battery, first ensure your laptop is completely powered off and disconnected from the AC adapter. Open the laptop chassis according to the manufacturer's service manual, locate the existing battery, and carefully disconnect the power cable from the motherboard. Remove the old battery, insert the new MITSU unit into the compartment, and secure it in place. Reconnect the power cable, close the laptop case, and fully charge the new battery before its first use to ensure optimal calibration.

What to consider before purchase

• Verify your specific laptop model number matches the compatibility list
• Check the physical dimensions and connector type of your current battery
• Ensure your laptop is not under a manufacturer warranty that might be voided by opening the case
• Confirm that your current power issues are caused by the battery and not the charging port or adapter

Usage recommendations: For the best performance and longevity, it is recommended to perform a full charge and discharge cycle when first installing the battery. Avoid exposing the laptop to extreme temperatures and try to keep the battery charge between 20% and 80% for daily use to maximize its overall lifespan.