For installing battery you have to remove the battery cover on Samsung Galaxy Note 2. You can install Micro SD Memory Card on your Samsung Galaxy Note 2, first you have to remove the battery cover to do that.

• The battery, micro SIM card and SD card are installed under the battery cover.

Note: Before removing or replacing the battery cover, make sure the device is switched off. To turn the device off, hold down the key until the power-off image displays, then tap Power off.

• Do not bend or twist the back cover excessively during installation or removal. Doing so may damage the cover.

To remove the battery cover:

• Hold the device firmly and locate the cover release latch (1).
• Place your fingernail in the opening (2) and firmly pop the cover off (3) the device (similar to a soda can).

To replace the battery cover:

• Position the battery cover over the battery compartment and press down around the rim of the device until you hear clicks and the cover is secure.

Battery

• Before using your device for the first time, install the battery and charge it fully.

Note: Before removing or replacing the battery cover, make sure the device is switched off. To turn the device off, hold down the key until the power-off image displays, then tap Power off.

Installing the Battery

• Slide the battery into the compartment (1) so that the tabs on the end align with the slots at the bottom of the phone, making sure the connectors align.
• Gently press down to secure the battery (2).

Removing the Battery

• Grip the battery at the top end (3) and lift it up and out of the battery compartment (4).

Charging the Battery

Your device is powered by a rechargeable Li-ion battery. A wall charger, which is used for charging the battery, is included with your device. Use only approved batteries and chargers. Ask your local Samsung dealer for further details.

Before using your device for the first time, you must fully charge the battery. A discharged battery recharges fully in approximately 4 hours.

Note: Verify that the battery is installed prior to connecting the wall charger. If both the wall charger is connected and the battery is not installed, the handset will power cycle continuously and prevent proper operation. Failure to unplug the wall charger before you remove the battery can cause the device to become damaged.

It is recommended you fully charge the battery before using your device for the first time.

• Connect the USB cable to the charging head.
• Locate the Charger/Accessory jack.
• Insert the USB cable into the devices Charger/ Accessory jack.
• Plug the charging head into a standard AC power outlet. The device turns on with the screen locked and indicates both its charge state and percent of charge.

Note: While the device is charging, if the touch screen does not function due to an unstable power supply unplug the USB power adapter from the power outlet or unplug the USB cable from the device.

Note: This illustration displays both the correct and incorrect orientation for connecting the charger. If the charger is incorrectly connected, damage to the accessory port will occur therefore voiding the phones warranty.

When charging is finished, first unplug the chargers power plug from the AC wall outlet, then disconnect the chargers connector from the phone.

Note: If your handset has a touch screen display, please note that a touch screen responds best to a light touch from the pad of your finger or a non-metallic stylus. Using excessive force or a metallic object when pressing on the touch screen may damage the tempered glass surface and void the warranty.

Low Battery Indicator

When the battery level is low and only a few minutes of talk time remain (~15% charge), a warning tone sounds and the Battery low message repeats at regular intervals on the display. In this condition, your device conserves its remaining battery power, by dimming the backlight.

When the battery level becomes too low, the device automatically turns off.

The on-screen battery charge is represented (by default) as a colored battery icon. You can also choose to display a percentage value. Having a percentage value on-screen can provide a better idea of the remaining charge on the battery.

• Press Power button and then tap Settings > Display > Display battery percentage.