Lenovo B480, B580 Using the ac power adapter, Charging the battery, Maximizing the battery life

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•The way you use your computer: how often you access the hard disk drive, how bright you make the computer display.

Using the ac power adapter

The power to run your computer can come either from the lithium-ion battery pack provided with it, or from ac power through the ac power adapter. While you use ac power, the battery charges automatically.

The ac power adapter has two basic components:

1.The transformer pack that converts ac power for use with the computer.

2.The power cord that plugs into the ac outlet and into the transformer pack.

Attention: Using an improper power cord could cause severe damage to the computer.

Connecting the ac power adapter

To connect the ac power adapter, do the following:

1.Plug the ac power adapter into an electrical outlet.

2.Connect the power cord to the transformer pack.

3.Insert the power jack into the computer.

Tips on using the ac power adapter

When using the ac power adapter, observe the following guidelines:

•When the ac power adapter is not in use, disconnect it from the electrical outlet.

•Do not bind the power cord tightly around the ac power transformer pack when it is connected to the transformer.

•Before you charge the battery, make sure that its temperature is at least 10°C (50°F).

•You can charge the battery when the ac power adapter is connected to the computer and the battery is installed.

Charging the battery

When you find that the battery power is low, you need to charge the battery or replace it with a fully charged one.

You are recommended to charge the battery in any of the following situations:

•When you purchase a new battery

•If the battery status indicator starts blinking

•If the battery has not been used for a long time

Notes:

•You are advised to install the battery pack when using your computer to prevent small particles from entering the inside of your computer.

•To maximize the battery life, do not start recharging the battery immediately after it drops from full charge.

•Charge the battery at a temperature between 50 °F and 86 °F (10 °C-30 °C).

•Full charge or discharge is not required.

Maximizing the battery life

To maximize the life of a new battery or a battery that you have not used recently, do either of the following:

12User Guide

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Contents User Guide Lenovo B480 and B580Safety, Warranty, and Setup Guide Regulatory Notice Contents Appendix D. Notices Prevent your computer from getting wet Read this firstProtect yourself from the heat that your computer generates Protect the cables from being damagedConditions that require immediate action Important safety informationProtect your computer and data when moving it Handle your computer gentlySafety guidelines Service and upgradesPlugs and outlets Power cords and power adaptersExtension cords and related devices External devices Power supply statementGeneral battery notice Rechargeable battery notice Lithium coin cell battery noticeHeat and product ventilation Electrical current safety information Laser compliance statementLiquid crystal display LCD notice Using headphones or earphonesAdditional safety information Xii User Guide Getting to know your computer Top viewLeft-side view Right-side view Front view Status indicators Bottom viewDevice access status indicator Caps lock indicatorNumeric lock indicator Features Power and battery status indicatorSpecifications Using your computer Frequently asked questionsConfiguring the operating system Tips on using your computerConnecting to power Reading the manualsChecking the battery status Putting the computer into sleep mode or shutting it downUsing the ac power adapter and the battery pack Maximizing the battery life Using the ac power adapterCharging the battery Connecting the ac power adapterHandling the battery Using the touch pad Lenovo B480 and B580 touch padNumeric keypad Using the recovery buttonUsing the keyboard Function key combinations Launching the camera and audio settings Fn+EscPower conservation Fn+F1 For Lenovo B480 modelsVolume keys Fn + left/right arrow Switching the display output location Fn+F3Adjusting display brightness level Fn + up/down arrow Display backlight control Fn+F2Using the Nvidia Optimus Graphics feature Connecting to external devicesUsing the media card reader Inserting a flash media cardHardware connection Connecting to the networkWired connection CableSoftware configuration Wireless connectionConnecting to the network User Guide Ergonomic information Accessibility and comfortYou and your computer What if you are traveling? Security Using passwordsUsing a fingerprint reader Attaching a mechanical lockUser Guide Recovery overview Solving recovery problems on the Windows 7 operating systemUser Guide Recovery overview User Guide Static electricity prevention Replacing the batteryReplacing devices Replacing the backup battery Lenovo B480 Lenovo B580 Prerequisites for the procedure Replacing the hard disk driveUser Guide Lenovo B580 Replacing a memory module Replacing devices Lenovo B580 To replace the PCI Express Mini Card, do the following User Guide Lenovo B580 Removing the optical drive Lenovo B580 User Guide Preventing problems General tips for preventing problemsBe gentle with your computer Be careful about where and how you workTaking care of your computer Carry your computer properlyHandle storage media and drives properly Take care in setting passwordsClean the cover of your computer Data protectionRegistering your computer Cleaning your computer keyboardCleaning your computer display Be sure not to modify your computerBattery and power problems Troubleshooting computer problemsTroubleshooting Battery problemsStartup problem Computer screen problemsAn ac power adapter problem Sleep and hibernation problemsProblems with drives and other storage devices Hard disk drive problemsOptical drive problems OneKey Recovery Pro program problemsPassword problem Your computer does not respond Sound problemOther problems Computer does not start from a device you wantUser Guide Appendix A. Regulatory information Wireless related informationWireless interoperability Usage environment and your health Export classification noticeElectronic emission notices Industry Canada Class B emission compliance statement User Guide Japan recycling statements Appendix B. Weee and recycling statementsChina Weee statement Important Weee Information Recycling information for Brazil Disposing of Lenovo computer componentsBattery recycling information for the European Union User Guide China RoHS Turkish RoHS Ukraine RoHSIndia RoHS Appendix D. Notices Energy Star model information TrademarksAppendix D. Notices User Guide Index User Guide Page Part Number 1P P/N

B580, B480 specifications

The Lenovo B480 and B580 are part of Lenovo's Essential series, designed for home and business users seeking reliable performance combined with an affordable price point. These laptops offer a range of features and technologies that cater to everyday computing needs while ensuring efficiency and productivity.

The B480 and B580 are equipped with Intel’s third-generation Core processors, enabling smooth multitasking and enhanced performance for various applications. Users can opt for configurations ranging from the Intel Core i3 to the more powerful Core i5 processors, allowing for flexibility based on individual requirements.

One of the main features of the Lenovo B480 and B580 is their 14-inch and 15.6-inch displays, respectively. The displays provide vibrant visuals with a resolution of 1366 x 768, making them suitable for watching movies, browsing the web, and completing work tasks. The B580's larger screen size is particularly appealing for those who prefer a more spacious viewing experience.

Both laptops come with ample storage options, featuring traditional hard disk drives (HDD) with capacities of up to 1TB. This allows users to store a significant amount of data, including documents, multimedia files, and software applications. Furthermore, the inclusion of a DVD drive in both models enhances their versatility, allowing users to play and burn CDs and DVDs.

In terms of memory, the B480 and B580 typically support up to 8GB of DDR3 RAM, ensuring smooth performance when running multiple applications simultaneously. The systems also include integrated Intel HD Graphics, which provide adequate graphics performance for standard tasks, casual gaming, and media playback.

Connectivity options are generous with several USB ports, HDMI output, and Ethernet ports available on both models. The inclusion of Wi-Fi and Bluetooth allows for easy wireless connections to networks and peripherals, enhancing the overall user experience.

Additionally, Lenovo's proprietary software tools contribute to the functionality of the B480 and B580. Lenovo Solution Center and OneKey Recovery simplify system management and provide users with an easy way to back up their data.

In conclusion, the Lenovo B480 and B580 are reliable laptops equipped with essential features and technologies suitable for a wide range of users. With their balance of performance, storage options, and connectivity, these models offer great value for anyone looking for a dependable and affordable laptop.
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