LENOVO 45N1139 / S440 S3

Overview

The LENOVO 45N1139 / S440 S3 is a high-performance lithium-ion battery designed for Lenovo ThinkPad S440 and other compatible models. It provides reliable power, extended battery life, and optimized efficiency for business and personal use.

How to Use/Install

1. Turn off your laptop and unplug it from any power source.

2. Locate the battery compartment on the bottom of your ThinkPad S440.

3. Unlock and remove the old battery by sliding the release latch.

4. Align the new LENOVO 45N1139 battery with the compartment.

5. Insert and secure the battery until it clicks into place.

6. Power on your laptop and ensure the battery is detected.

7. Fully charge the battery before first use for optimal performance.

Available Services / Licenses / Plans

The LENOVO 45N1139 / S440 S3 battery comes with multiple service and warranty options:

1. Standard Warranty – 1-year coverage for manufacturing defects.

2. Extended Warranty – Optional coverage for up to 3 years.

3. Battery Replacement Plan – One-time free replacement within the service period.

Key Differences in Services / Licenses / Plans

• Standard Warranty provides basic coverage for defects.

• Extended Warranty adds more years of protection and priority support.

• Battery Replacement Plan ensures a hassle-free replacement if performance declines.

Key Features of LENOVO 45N1139 / S440 S3

1. High-Capacity Battery – Ensures longer usage time per charge.

2. Lithium-Ion Technology – Provides efficient energy management.

3. Designed for ThinkPad S440 – 100% compatibility with Lenovo laptops.

4. Fast Charging Support – Reduces downtime with quicker charging.

5. Overcharge & Overheat Protection – Ensures battery longevity and safety.

6. Lightweight and Portable – Ideal for mobile professionals.

7. Durable and Long-Lasting – Tested for extended lifespan.

8. Eco-Friendly – Complies with energy efficiency regulations.

9. Easy Installation – User-friendly plug-and-play design.

10. OEM Certified – Designed and tested by Lenovo for optimal performance.

Competitor Products

1. Dell 65Wh 6-Cell Battery – Comparable alternative for Dell Latitude models.

2. HP Long-Life Notebook Battery – Extended capacity battery for HP business laptops.

For additional support and warranty details on the LENOVO 45N1139 / S440 S3, visit the official Lenovo website or contact customer service.