DELL 02X39G peça de substituição para portátil bateria

The DELL 02X39G battery for Dell laptops is a rechargeable internal battery designed to restore portable power and extend run time for compatible Dell notebook models. Finished in black, this battery is intended as a replacement part to return a laptop to original mobility and support typical mobile workflows such as web browsing, office applications, video playback and light creative tasks. The design focuses on compatibility with Dell systems and on providing stable voltage and capacity for everyday use.

Advantages

This battery delivers consistent power output and is manufactured to meet the electrical and mechanical requirements of supported Dell laptops. It offers a straightforward installation form factor that aligns with the laptop's battery bay and contacts. The black finish integrates visually with many Dell laptop designs. The battery provides reliable energy delivery for standard mobile workloads and helps avoid sudden shutdowns caused by worn or degraded cells.

Suitable for

• Replacing an old or failing internal battery in compatible Dell laptops
• Extending unplugged working time for business and study tasks
• Powering laptops during travel, meetings and remote work
• Maintaining productivity during presentations and on-site troubleshooting

Key specifications

• Intended device type: laptop battery for Dell notebooks
• Colour: black
• Form factor: internal removable battery pack designed for specific Dell models
• Usage type: rechargeable lithium-based battery for mobile use

How to use

Before installation power down the laptop and disconnect the AC adapter. Remove the existing battery following the laptop manufacturer’s instructions or service manual, then align the replacement battery with the battery bay and secure it until it clicks into place. Reconnect the AC adapter and charge the battery fully before first use to calibrate the charge indicator. After installation, verify the system recognizes the battery through the operating system battery status or BIOS/UEFI battery information screen.

Recommendations

Use the battery in environments within the laptop manufacturer’s specified temperature and humidity ranges. To prolong battery life, avoid deep discharges when practical, store the battery at around 40–60% charge if not used for extended periods, and keep firmware and power management settings up to date via official Dell updates.