 A hardware
device
that supplies power
to a device or appliance and enables
that device or appliance to work without a power cord.
Often capable of powering a laptop computer for several hours depending on how the laptop is used and how much power it requires. Today, many high-end devices such as computer
laptops and cell
phones use rechargeable batteries that allow a user
to recharge the battery once it has been depleted of power.
To the right is a picture of what a laptop battery may look once removed from the laptop.
Also see: Battery
definitions
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