HP Envy 15-1002xx Notebook PC - Manual (Page 64)

Identifying the accessory battery components
Component Description
(1) Battery fuel gauge When pressed, the battery fuel gauge checks the amount of
available battery charge.
(2) Battery charge lights Show the percentage of available battery power.
● Blinking: The accessory battery has reached a low battery
level.
● One light on: The accessory battery has 25 percent remaining
battery charge.
● Two lights on: The accessory battery has 50 percent remaining
battery charge.
● Three lights on: The accessory battery has 75 percent
remaining battery charge.
● Four lights on: The accessory battery is fully charged.
(3) Battery release latches Release the battery from the bottom of the computer.
Inserting or removing an accessory battery
CAUTION: Removing a battery that is the sole power source can cause loss of information. To prevent
loss of information, save your work before removing the battery.
To insert the accessory battery:
NOTE: When you install the accessory for the first time, be sure to remove the protective cover on the
accessory battery connector.
54 Chapter 6 Power management