General safety guidelines

Always observe the following precautions to reduce the risk of injury and property damage.

Service

Do not attempt to service a product yourself unless instructed to do so by the Customer Support Center. Use only a service provider who is approved to repair your particular product.

Note: Some parts can be upgraded or replaced by the customer. These parts are referred to as Customer Replaceable Units, or CRUs. Lenovo expressly identifies CRUs as such, and provides documentation with instructions when it is appropriate for customers to replace those parts. You must closely follow all instructions when performing such replacements. Always make sure that the power is turned off and that the product is unplugged from any power source before you attempt the replacement. If you have any questions or concerns, contact the Customer Support Center.

Power cords and power adapters

Use only the power cords and power adapters supplied by the product manufacturer.

Never wrap a power cord around the power adapter or other object. Doing so can stress the cord in ways that can cause the cord to fray, crack or crimp. This can present a safety hazard.

Always route power cords so that they will not be walked on, tripped over, or pinched by objects.

Protect the cord and power adapters from liquids. For instance, do not leave your cord or power adapter near sinks, tubs, toilets, or on floors that are cleaned with liquid cleansers. Liquids can cause a short circuit, particularly if the cord or power adapter has been stressed by misuse. Liquids can also cause gradual corrosion of the power cord terminals and/or the connector terminals on the adapter which can eventually result in overheating.

Always connect power cords and signal cables in the correct order and ensure that all power cord connectors are securely and completely plugged into receptacles.

Do not use any power adapter that shows corrosion at the ac input pins and/or shows signs of overheating (such as deformed plastic) at the ac input or anywhere on the power adapter.

Do not use any power cords where the electrical contacts on either end show signs of corrosion or overheating or where the power cord appears to have been damaged in any way.

© Lenovo 2006. Portions © IBM Corp. 2004.

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Lenovo 40Y8710 manual General safety guidelines, Service, Power cords and power adapters
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40Y8710 specifications

The Lenovo 40Y8710 is a premium replacement battery specifically designed for select Lenovo laptops. As mobile computing continues to gain traction, having a reliable and efficient battery is crucial for productivity and portability. The 40Y8710 is engineered with cutting-edge technology to ensure optimal performance, longevity, and compatibility with a range of devices.

One of the key features of the Lenovo 40Y8710 is its lithium-ion technology. Lithium-ion batteries are known for their high energy density, allowing for a lightweight design while providing substantial power. This translates to longer battery life and less frequent charging, enabling users to work or play without interruption. The battery capacity is approximately 4400mAh, which is ideal for handling intensive tasks such as gaming, graphic design, and video editing.

Compatibility is another strong suit of the Lenovo 40Y8710. It is designed to work seamlessly with various models in the Lenovo ThinkPad series, specifically models like the ThinkPad T440, T440s, T540p, and others. This ensures that users can enjoy a hassle-free replacement process without concerns about fit or functionality.

The Lenovo 40Y8710 battery features a smart charge technology. This innovative feature allows the battery to optimize charging cycles, which helps in extending the overall lifespan of the battery. The intelligent circuitry in the battery manages power draw and keeps the system safe from overheating and other potential hazards.

Additionally, the Lenovo 40Y8710 is built with durability in mind. It undergoes rigorous testing to withstand the demands of daily use, significantly minimizing the risks of malfunctions. This reliability is essential for professionals who depend on their laptops for essential tasks.

In terms of safety, the battery comes equipped with built-in safeguards against overcharging, short-circuiting, and other common battery-related issues. This ensures that users can confidently use their Lenovo devices without fear of battery-related malfunctions.

Overall, the Lenovo 40Y8710 battery combines advanced technology with practical design. Its long-lasting power, smart charge features, and rigorous safety standards make it an excellent choice for Lenovo laptop users seeking a reliable battery replacement. Whether for work or entertainment, the 40Y8710 enhances the user experience by ensuring that laptops remain powered and ready for action.
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