Notebook Battery Lenovo 7.7V 39Wh 2-cell (model 5B10Q93738)

Replacement notebook battery compatible with Lenovo laptops, offering a nominal voltage of 7.7 V and a capacity of 39 Wh in a 2-cell configuration. The battery is intended to restore original-spec runtime for compatible systems, replacing worn or degraded cells to provide reliable portable power for everyday mobile use, travel and work away from mains.

Advantages

This 2-cell 39 Wh battery provides a balance of capacity and compact size suitable for lightweight Lenovo notebooks. Its nominal 7.7 V rating matches the original power design to ensure stable operation and safe charging behavior. Designed as a direct replacement, it helps recover usable runtime without requiring system modifications and supports typical laptop power management functions.

Suitable for

• Everyday mobile computing tasks such as web browsing, email and office applications
• Travel and remote work where mains power is unavailable or intermittent
• Replacing worn or failing original battery units to restore battery life

Key specifications

• Nominal voltage: 7.7 V
• Capacity: 39 Wh
• Cell count: 2 cells
• Form factor: notebook internal replacement battery
• Typical use: portable notebook power source for extended runtime

How to use

Power off the laptop and disconnect any external power supply before removing the existing battery. Follow the laptop manufacturer’s service instructions to access the internal battery compartment and remove the old unit. Install the replacement battery in the correct orientation and secure any retaining clips or screws. Reconnect the external power adapter and power on the laptop; allow an initial full charge cycle according to the laptop’s battery calibration guidance to ensure the system recognises the new battery and reports accurate charge levels.

Recommendations

Store and use the battery within the laptop manufacturer’s recommended temperature range, avoid exposure to extreme heat or moisture, and use the laptop’s original or certified charger. Dispose of the replaced battery in accordance with local regulations for electronic waste and battery recycling.