Laptop Battery for LENOVO THINKPAD R61 T61 R61I R61E 42T5227

Laptop battery for LENOVO THINKPAD R61 T61 R61I R61E 42T5227

Models: Thinkpad R61, T61, R61I, R61E 14"
P/N: 42T5227, T400, 7417, 42T5262, 42T5264

High quality compatible laptop batteries

These compatible laptop batteries are designed to offer performance equivalent to that of the original battery, maintaining autonomy, stability and safety in daily use.

They are not original batteries from the laptop manufacturer, but compatible batteries developed under demanding technical standards, which allows us to offer an excellent quality/price ratio without compromising the operation of the laptop. equipment.

Why choose a quality compatible battery

A well-designed compatible battery not only reduces cost, but can offer completely reliable performance if it meets the appropriate parameters.

These batteries are manufactured under certified quality control processes in accordance with ISO 9001 and ISO 14001 standards, which guarantees a high level of demand in both manufacturing and environmental management.

In these Batteries are prioritized:

• True compatibility with the equipment
• Stability in charging and discharging
• Integrated electronic protections
• Optimized lifespan

This allows a safe and efficient user experience, comparable to the original battery under normal conditions of use.

What you should check before buying

To make sure you choose the right one. correct battery, it is important to verify the following data:

• Original reference of the battery
• Exact model of the laptop
• Voltage (V) and capacity (mAh or Wh)
• Shape and type of connector

In each product sheet you will find a list of compatible models and equivalent references to facilitate identification.

LENOVO THINKPAD battery R61

This 10.8V battery for Lenovo ThinkPad is the perfect solution to maintain your productivity wherever you go.

Before purchasing, compare your battery with the photos in the advertisement to make sure it is the same, as some models may have the same P/N number but be physically different. Please also check the model of your laptop and that the voltage of your battery matches that indicated.

Specifications

Compatibility

• Lenovo ThinkPad (14.1")
• Lenovo ThinkPad R61 Series
• Lenovo ThinkPad R61 7659 / 7733 / 7732 / 7734 / 7735 / 7736 / 7737 / 7738 / 7742 / 7743 / 7744 / 7751 / 7753 / 7754 / 7755
• Lenovo ThinkPad R61i Series
• Lenovo ThinkPad R61i 7732
• Lenovo ThinkPad R61i 7742
• Lenovo ThinkPad T61 Series
• Lenovo ThinkPad T61 1959 / 6377 / 6378 / 6379 / 6480 / 6481 / 7658 / 7659 / 7660 / 7661 / 7662 / 7663 / 7664 / 7665 Series
• Lenovo ThinkPad T400 2764 / 7417
• ThinkPad W500
• ThinkPad R400
• ThinkPad R61 (14.1 INCH WIDESCREEN)
• ThinkPad T400
• ThinkPad T61 (14.1 INCH WIDESCREEN)
• ThinkPad T61U (14.1 INCH WIDESCREEN)

Cross references

• 41U3198
• 41U3196
• 41U3197
• 43R2499
• Asm 42T4533
• Asm 42T5226
• Asm 42T5228
• Asm 42T5265
• Fru 42T4531
• Fru 42T4532
• Fru 42T4645
• Fru 42T5225
• Fru 42T5229
• Fru 42T5262
• Fru 42T5263
• Fru 42T5264
• T400
• 7417
• 42T4548
• 42T5227

Electronic protections

Your model is not listed?

It is possible that your laptop is compatible with this battery even if it is not explicitly listed? in the listing. This may occur because some manufacturers use the same battery in different models or variants.

In this case, it is recommended to check the following:

• The reference of the original battery matcheswith any of those indicated
• The voltage is exactly the same (critical data)
• The connector and shape are identical
• The dimensions are compatible with the laptop housing

If these points match, it is very likely that the battery is compatible with the device, even if the model is not listed.

In case of doubt, it is advisable to check the compatibility before making the purchase to avoid errors.

Real advantages when replacing the battery

• Recovers autonomy
  Allows you to use the laptop again without constantly depending on the charger.
• Stable operation
  Avoids unexpected shutdowns and improves the behavior of the equipment.
• Longer useful life
  Reduces the need for frequent replacements.
• Installation simple
  In most cases, replacement is quick and does not require advanced technical knowledge.

Compatibility: the key point

Compatibility is the most important aspect when choosing a laptop battery. Therefore, in this sheet you will find all the compatible references and equivalent models associated with this product.

Choosing correctly guarantees proper operation and avoids problems during installation or use.

Recommendations for replacing the battery

Replacing the battery of a laptop is a simple process in most cases, but it is important to follow a series of recommendations to guarantee a correct and safe installation.

Before installation

• Turn off the laptop completely (not in sleep mode)
• Disconnect the charger and any peripherals
• Work on a clean, dry surface free of static electricity

During replacement

• Handle the battery with care, avoiding bumps or deformations
• Do not force connectors or parts
• Make sure that the connector fits correctly in its position
• Check that the battery is securely fixed in its housing

First use of the battery

To optimize performance and useful life, it is recommended to perform a complete initial charging cycle:

• Charge the battery to 100% before first use
• Use the laptop until the charge is reduced to approximately 10-15%
• Recharge fully

This process helps to correctly calibrate the laptop's power management system.

Tips to extend battery life

• Avoid frequent full discharges (0%)
• Do not keep the battery constantly at 100% for long periods
• Avoid prolonged exposure to high temperatures
• Always use compatible chargers that are in good condition

Important

If during installation you detect that the battery does not fit correctly or the connector does not match exactly, the installation should not be forced. In that case, it is advisable to check the compatibility before continuing.