Notice you must know about Samsung np740u5m battery

This article is from samsung.com, we believe it is the correct way to handle your samsung battery pack. Now read as follow: Fully charge the battery using the AC adapter before using the
computer for the first time.
• Use only Samsung-approved AC adapters, batteries,
and cables. Unapproved adapters or cables can cause
the battery to explode or damage the computer.
• Incorrectly connecting the charger may cause serious
damage to the computer.
• This computer is equipped with an internal battery.
The battery is not user-serviceable or user-replaceable.
• To safely remove or replace the battery, take the device
to a Samsung Service Center. You will be charged for
this service.
• You can use the computer while it is charging, but
the battery charging time may increase. If the battery
temperature rises too much, the charging may stop as a
safety measure.
To restore the battery power after cutting it, connect the
AC adapter.

samsung np740u5m 11.4V 3950mAh laptop batteries

Voltage: 11.4V

Capacity: 3950mAh (45Wh)

Battery cells: 3-cell

Chemical: Li-ion

Battery Color: white

Condition: new original battery

Warranty: 9 months