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Laptop Battery Lenovo
Model: ThinkPad T440P, T540P, W540
P/N: ASM 45N1148, FRU 45N1149
EAN/GTIN: 8435597421655
Laptop battery Lenovo
Model: ThinkPad T440P, T540P, W540
P/N: ASM 45N1148, FRU 45N1149
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, allowing us to offer an excellent quality/price ratio without compromising the operation of the equipment.
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, priority is given to:
This allows a safe and efficient user experience, comparable to the original battery under normal use conditions.
To ensure that you choose the correct battery, it is important to verify the following data:
In each product sheet you will find a list of compatible models and equivalent references to facilitate the identification.
| Voltage: | 10.80 V |
| Capacity: | 4400 mAh |
Before purchasing, please make sure that the battery you need is the one we advertise. To avoid errors and returns, compare your laptop battery with the one shown in the photographs. In some cases they may match the P/N number and not physically match.
This laptop battery is compatible with the indicated models (and more). You can see the complete model of your laptop located below it. If you cannot find the model of your laptop or do not know which battery is compatible, please ask and we will be happy to inform you.
| Against deep discharge | Automatic cut-off to protect the cells. |
| Protection thermal | Temperature monitoring and cut-off. |
| Against short circuits | Instant safety response. |
| Charging temperature control | Stable and safe charging. |
| RoHS | Restriction of hazardous substances |
It is possible that your laptop is compatible with this battery even if it does not appear explicitly in the list. 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:
If these points coincide, it is very It is likely that the battery is compatible with the device, even if the model is not listed.
In case of doubt, it is advisable to verify compatibility before making the purchase to avoid errors.
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.
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
During replacement
First use of the battery
To optimize performance and useful life, it is recommended to perform a complete initial charging cycle:
This process helps to correctly calibrate the laptop's power management system.
Tips to extend battery life
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.
Data sheet