Checking the battery pack

Lenovo IdeaTab A2109A-F Hardware Maintenance Manual

Battery charging does not start until the Power Meter shows that less than 95% of the total power remains; under this condition the battery pack can charge to 100% of its capacity. This protects the battery pack from being overcharged or from having a shortened life.

Tap the battery icon in the icon tray, and the percentage of battery power remaining is displayed. To get detailed information about the battery, tap Battery under Settings In the applications list, to enter the battery information interface.

Note: If the battery pack becomes hot, it may not be able to be charged. Remove it from the computer and leave it at room temperature for a while. After it cools down, reinstall and recharge it.

To check the battery pack, follow the steps below:

1.Turn off the computer. Follow the removal steps in “1020 Battery pack” on page 30 in “Removing and replacing an FRU” on page 26.

2.Measure the voltage between battery terminals 1 (+) and 14 (-). See the following figure:

1 2

7 6

Terminal

Voltage (V DC)

1+0 to +3.7

7Ground (-)

3.If the voltage is less than +3.7 V DC, the battery pack has been discharged.

Note: Recharging will be continued for at least 3 hours, even though the indicator does not light on.

If the voltage is still less than +3.7 V DC after recharging, replace the battery.

A2109, 2290XF2 specifications

The Lenovo 2290XF2, also known as the A2109, stands out in the realm of tablets with its impressive array of features and technologies designed to enhance user experience. This device has garnered attention among professionals and entertainment enthusiasts alike, thanks to its powerful performance and versatile functionality.

One of the main features of the A2109 is its sleek design, which combines style with portability. The tablet is equipped with a vibrant 9-inch display that boasts a resolution of 1280x800 pixels, delivering stunning visuals whether users are watching videos or playing games. The IPS technology employed in the screen ensures wide viewing angles and accurate color reproduction, making it an ideal choice for media consumption.

Under the hood, the Lenovo A2109 is powered by a quad-core processor, providing seamless multitasking and efficient performance. With 1GB of RAM and various storage options, including 8GB or 16GB of internal memory, users can store their favorite apps, photos, and videos with ease. The device also comes with a microSD card slot, allowing for expandable storage up to 32GB, which is a significant advantage for those who require more space.

In terms of connectivity, the A2109 features Wi-Fi and Bluetooth capabilities, ensuring users can stay connected to the internet and their devices anytime, anywhere. The inclusion of HDMI output further enhances its utility, enabling users to connect the tablet to larger displays, such as televisions or projectors, for a shared viewing experience.

The battery life of the A2109 is another noteworthy attribute. With its robust battery, users can expect up to 10 hours of usage on a single charge, making it suitable for day-long activities, whether working on the go or enjoying leisure time.

Moreover, the tablet runs on the Android operating system, which offers access to a vast ecosystem of applications via the Google Play Store, spanning various categories from productivity tools to games and entertainment.

The Lenovo A2109 also comes equipped with front and rear cameras, allowing users to take photos, engage in video calls, or capture moments spontaneously. Its durable build ensures longevity, positioning it as a reliable companion for both personal and professional use.

Overall, the Lenovo 2290XF2, A2109, is a well-rounded tablet that combines solid performance, a vibrant display, and enhanced connectivity options, making it an attractive choice for those seeking a capable portable device. Whether for work or play, it stands out as a versatile tool for modern users.