CoreParts MBI3057 laptop spare part Battery

CoreParts Top Quality replacement Laptop Battery for Lenovo — model MBI3057 — is a 52 Wh (10.8 V, 4.4 Ah) 6-cell Lithium-Ion battery in black, designed as a compatible power solution for Lenovo laptops. Produced in China under quality controls and backed by a 12-month warranty, this battery provides a reliable power backup that meets OEM specifications and is straightforward to install to restore or extend your laptop's runtime.

Advantages

This Lithium-Ion replacement battery offers a 52 Wh capacity and high-quality cells for consistent performance and stable power delivery. It is manufactured to meet compatibility and safety requirements for Lenovo laptops, comes in a compact, lightweight design (approximately 0.2 kg) and includes a 12-month warranty for added assurance. Installation is simple, allowing users to replace the battery without professional tools.

Suitable for

• Replacing a worn or failing Lenovo laptop battery
• Extending laptop runtime for mobile work
• Users seeking a cost-effective OEM-compatible battery replacement

Key specifications

• Model: MBI3057
• Battery technology: Lithium-Ion (Li-Ion)
• Capacity: 52 Wh (10.8 V, 4.4 Ah) / 4800 mAh (manufacturer data)
• Cells: 6-cell configuration
• Colour: Black
• Weight: 0.2 kg
• Brand/MPN: MicroBattery / MBI3057
• EAN: 5712505517390
• Warranty: 12 months

How to use

Power down the laptop and disconnect any external power source. Remove the old battery following the laptop manufacturer's instructions, then insert the CoreParts MBI3057 battery into the battery bay until it locks in place. Reconnect power and start the laptop; allow the battery to charge fully before first use to ensure proper calibration. Refer to your Lenovo service manual for device-specific disassembly and safety steps.

Recommendations

Store and operate the battery within the temperature and humidity ranges specified by Lenovo. Avoid exposure to extreme heat, moisture, or direct sunlight. Use the original or certified charger and follow safety instructions to maximize battery life and maintain safe operation. Dispose of the battery according to local regulations for electronic waste.