Battery Lenovo 11.25V 52.5Wh 3-cell internal replacement 5B10T09095

Rechargeable internal battery compatible with certain Lenovo laptop models. This 3-cell replacement battery is rated at 11.25 V and 52.5 Wh and is intended to restore original run time and stable power delivery after the factory pack has degraded. The design matches the form factor of internal battery bays and provides the same basic energy capacity as the original unit to support mobile use and repairs.

Advantages

The battery offers a direct-fit internal replacement that preserves the laptop's native power management and charging behaviour. With a 3-cell configuration and 52.5 Wh capacity, it delivers a balance of energy density and compact size to maintain acceptable runtime without increasing device weight or changing thermal characteristics significantly. Using a like-for-like internal replacement helps avoid compatibility problems and supports system stability during typical portable use.

Suitable for

• Repairing a Lenovo laptop with a worn or failed internal battery
• Replacing an original battery to restore expected battery life
• Service centres performing component-level laptop maintenance

Key specifications

• Nominal voltage: 11.25 V
• Energy capacity: 52.5 Wh
• Cell count: 3-cell configuration
• Type: rechargeable internal lithium-based battery pack
• Intended installation: internal replacement battery for compatible laptop models

How to use

Power down the laptop, disconnect any external power source and follow the manufacturer service instructions for safe battery replacement. Access the internal battery compartment according to the device maintenance manual, remove the depleted pack and install the replacement ensuring correct connector alignment and secure fastening. After installation, reconnect AC power and allow the system to detect and calibrate the new battery; perform an initial charge cycle if recommended by the device manufacturer.

Recommendations

Use only with compatible Lenovo models and follow safety guidance for handling lithium-based batteries: avoid short circuits, punctures or exposure to high temperatures, and dispose of the depleted battery according to local electronic waste regulations.