Lenovo 42T5264 57Wh Battery

Description

Product Overview

This is a genuine Lenovo 42T5264 57Wh replacement battery, designed to restore your laptop’s original performance and mobility.

Specifications

• Voltage: 10.8V
• Capacity: 57Wh
• Chemistry: Li-ion
• Condition: Brand New

Compatibility Information

Part Number (P/N) Compatibility

This battery directly replaces the following Lenovo part numbers: 41U3198, 42T4552, 42T4653, 42T4654, 42T4677, 42T4678, 42T4742, 42T5230, 42T5262, 42T5263, 42T5264, 42T5265, 45J7969.

Model Compatibility

Compatible with these laptop models: IBM ThinkPad R400, IBM ThinkPad R61, IBM ThinkPad R61i, IBM ThinkPad T400, Lenovo ThinkPad R400, Lenovo ThinkPad R61, Lenovo ThinkPad R61e, Lenovo ThinkPad R61i, Lenovo ThinkPad T400, Lenovo ThinkPad T61.

Need Help Finding Your Model?

We’ve listed the most common compatible part numbers and models above. If you don’t see your specific model or part number listed, please leave it in the order notes during checkout. We’ll verify compatibility before shipping.

When Should You Replace Your Battery?

Here are common signs indicating it’s time for a battery replacement:

Symptom	Description
Short Battery Life	Laptop powers off quickly after unplugging, lasting significantly less than original runtime
Battery Won’t Charge	Battery doesn’t charge when connected to power adapter, or charging indicator flashes abnormally
Swollen Battery	Battery case appears bulged or distorted, causing trackpad/keyboard lifting
System Warnings	OS displays “Consider replacing your battery” or similar battery health alerts
Inaccurate Charge Reading	Battery percentage jumps dramatically or shows incorrect remaining capacity
Overheating	Battery becomes unusually hot during charging or normal use
Age Factor	Battery is 2-3 years old with noticeably reduced performance

Purchase Benefits

• Same Day Shipping (Order by 3PM)
• 30-Day Money Back Guarantee
• 1-Year Manufacturer Warranty
• In Stock – Ready to Ship
• Brand New Genuine Product
• Free Shipping