# Internal Lithium-ion Battery Lenovo FRU02DL012 57Wh for compatible laptops

**URL:** https://aio.lv/en/product--lenovo-fru02dl012--4127194
**Data updated:** 2026-02-18 14:36 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Lenovo
**Manufacturer code:** FRU02DL012
**EAN:** 5706998837486
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Internal Lithium‑ion battery Lenovo FRU02DL012 with a nominal capacity of 57Wh. Designed as a replacement or spare power source for compatible Lenovo laptop models. Provides portable device power for extended use, restores battery life when original pack is worn, and supports standard charging and discharging cycles. Genuine OEM part number FRU02DL012.

## Long description

Internal Lithium‑ion battery Lenovo FRU02DL012 with a nominal capacity of 57Wh. This internal battery is designed as a direct replacement or spare power source for compatible Lenovo laptop models. It restores portable device runtime when the original pack is worn or degraded and supports standard charging and discharging cycles typical for laptop use. The pack is suitable for users who need to maintain mobile productivity without relying constantly on mains power.
Advantages
This internal lithium‑ion battery provides a nominal capacity of 57Wh, offering a balance between runtime and weight for mainstream laptops. As a genuine OEM design it matches the physical dimensions and electrical characteristics required by compatible Lenovo systems, ensuring proper fit and battery communication with the host device. The battery supports safe charging and standard cycle life when used with the laptop's original charging system.
Suitable for
 Replacing a worn or failing internal battery to restore laptop runtime
 Keeping a spare battery for travel or field work where mains power is not available
 Servicing and repair of compatible Lenovo laptops
 Extending mobile productivity during long meetings, commuting, or remote work
Key specifications
 Battery chemistry: lithium‑ion
 Nominal capacity: 57 Wh
 Form factor: internal / built‑in pack designed for compatible laptop models
 Typical operating use: laptop power supply for mobile computing
 Compatibility: designed for specific Lenovo laptop models that accept this internal pack
How to use
Power off the laptop and disconnect from the mains before replacing the internal battery. Follow the laptop manufacturer's service instructions for safe removal and installation of an internal battery, using appropriate tools and static precautions. After installation, connect the laptop to its charger and allow the battery to charge fully according to the laptop's battery management system before normal use. Observe the system's battery status indicators and power management settings to confirm correct recognition and charging behavior.
Usage recommendations
Use the battery only in compatible Lenovo models and with the original or approved chargers. Store the battery at moderate state of charge in a cool, dry place if not used for extended periods. Avoid exposure to extreme temperatures, direct heat sources or liquids. For optimal longevity, follow the laptop manufacturer's guidelines on charging cycles and battery care.

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### What is the warranty period?

All Lenovo products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Lenovo service centers and through AiO.lv

### Can the product be returned after purchase?

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