Brand: IBM / Lenovo (Replacement part from third-party) · SKU: 42T4555 · MPN: 42T4555 · Category: Components
Replacement Li-ion laptop battery for specific Lenovo ThinkPad models, noted as compatible with the 14-inch widescreen version of the T60, T61, R60, R61, T400, and R400 laptops. It is listed as replacing numerous other part numbers and is often associated with a 6-cell configuration, though a 9-cell version is sometimes mentioned as an alternative. The battery uses Samsung (South Korea) cells and is typically black.
| Color | Black |
|---|---|
| Voltage | 10.8 Volts (also compatible with 11.1 Volt systems) |
| Cell Count | 6 Cell Li-ion (9 cell alternative mentioned) |
| Cell Origin | Samsung (South Korea) |
| Compatibility | Lenovo ThinkPad T60, T61, R60, R61, T400, R400 (14-inch widescreen models only) |
| Recharge Cycles | 300-500 |
| Capacity (Standard) | 5200 mAh (For 6-Cell version) |
| Warranty | 2 Year Warranty |
| Weight | N/A |
| Dimensions | N/A (Designed for 14.1" widescreen series) |
The 42T4555 is a replacement laptop battery primarily for the 14-inch widescreen versions of the Lenovo ThinkPad T61 and IBM ThinkPad R61 series, as well as T60, R60, T400, and R400 models. It is a rechargeable Li-ion battery that replaces several official Lenovo part numbers. The 6-cell version typically has a capacity of 5200 mAh and operates at 10.8V.
Yes, this IBM / Lenovo 42T4555 Laptop Battery (14-inch Widescreen) (42T4555) is 100% genuine IBM / Lenovo (Replacement part from third-party) hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This IBM / Lenovo 42T4555 Laptop Battery (14-inch Widescreen) includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the 42T4555.