Battery for laptop Lenovo BATTERY Internal 4‑cell 46Wh internal replacement

Internal laptop battery compatible with Lenovo, 4‑cell capacity rated at 46 Wh. This internal replacement battery is designed to restore mobile power to compatible Lenovo notebooks by replacing a worn or failing factory battery. It delivers typical runtime for everyday productivity tasks such as web browsing, document editing and light multimedia playback while preserving the laptop's original fit and connector arrangement.

Advantages

The 4‑cell 46 Wh construction offers a balance between runtime and compact size, making it suitable for ultraportable and mainstream notebook models. As an internal replacement, it maintains the original battery compartment fit and electrical compatibility where models specify a 46 Wh internal unit. The battery is intended for straightforward swap‑out installation and helps return the device to battery-operated use without requiring external power sources.

Suitable for

• Replacing an old or failing internal battery in compatible Lenovo laptops
• Restoring battery-operated mobility for office productivity and study
• Light multimedia use and web browsing on the go
• Users who require original-form internal replacements rather than external or universal power banks

Key specifications

• Cell configuration: 4 cells (4‑cell)
• Rated energy capacity: 46 Wh
• Form factor: internal laptop battery, designed to fit specified Lenovo internal battery compartment
• Intended use: replacement for internal notebook power source
• Typical runtime: suitable for general productivity tasks (actual runtime depends on device configuration and usage)

How to use

Power down the laptop, disconnect any external power and peripherals, then open the battery compartment or remove the service panel according to the laptop manufacturer's instructions. Carefully disconnect the existing internal battery connector and remove the old battery following anti‑static and safety precautions. Install the replacement 4‑cell 46 Wh battery by seating it in the compartment and reconnecting the battery cable securely. Reassemble the device, power on the laptop, and verify battery recognition and charging status in the operating system or BIOS.

Recommendations

Use the replacement battery only in compatible Lenovo notebook models that accept a 46 Wh internal battery. For safe handling, follow the laptop manufacturer's disassembly guide, avoid puncturing or exposing the battery to heat, and perform a full charge/discharge cycle after installation to calibrate the system's battery-reporting functions.