Battery pack Lenovo 52.5Wh 3-cell lithium-ion — replacement battery for portable devices

This Lenovo 52.5Wh 3-cell lithium-ion battery pack is a replacement power source designed for compatible portable devices. It delivers 52.5 watt-hours of capacity in a 3-cell Li‑ion configuration to extend run time for laptops and other mobile equipment that accept this form factor. The battery supports standard charging and discharging cycles and is intended to be used where the original removable or replaceable battery requires substitution.

Advantages

The battery pack provides a balance of energy capacity and compact size, enabling longer operation between charges without significantly increasing device weight. Its lithium-ion chemistry offers consistent voltage output throughout discharge, compatibility with common laptop power management systems, and predictable charge cycles when used with recommended chargers. The design is intended for straightforward replacement in models that accept this battery format.

Suitable for

• Laptop battery replacement
• Field work and remote use where mains power is unavailable
• Travel and commuting to extend device uptime
• Everyday mobile use for office and study applications

Key specifications

• Battery type: Lithium‑ion (Li‑ion)
• Nominal energy: 52.5 Wh
• Cell count: 3 cells
• Form factor: Pack suitable for compatible portable devices and laptops
• Typical use: Replacement for compatible internal or removable laptop batteries
• Charge/discharge: Supports standard charging and discharge cycles

How to use

Power down the device and disconnect any external power source before replacing the battery. Remove the original battery following the device manufacturer's instructions and insert the replacement pack securely into the battery bay or compartment until it locks or seats firmly. Reconnect AC power and allow the battery to charge fully before first extended use to ensure accurate battery level calibration. Use the device's battery management settings to monitor charge state and health.

Recommendations

Store and use the battery within the temperature range specified by the device manufacturer. Avoid exposing the battery to water, extreme heat, or physical damage. Use compatible chargers and follow device-specific procedures for calibration and firmware updates to maintain optimal performance and battery life.