Does this computer have an internal battery with a life of 5-hours?

Does not have an internal Battery. Lenovo does make that feature available in some models, but this one does not have a battery.

Can I get this computer with windows 7 operating system?

Some of the Lenovo IdeaCentres were initially available with Windows 7 - especially the earlier B500 series. I decided to "tough-out" the Windows 8 learning curve, so I purchased Windows 8 as it's designed to work with the touch screen on the Lenovo B550. I really like the B550 and recommend Newegg & their excellent Customer Service Support Group.

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Lenovo B550 23" AIO Intel Core i3 4130 4GB / 1TB HDD (57321271)

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Intel Core i3-4130
4GB DDR3 1TB HDD
23" Touchscreen
Windows 8
Intel HD Graphics 4400

Overview

Specs

Reviews (1)

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23" ALL-IN-ONE ENTERTAINMENT PC

The IdeaCentre B550 is the all-in-one desktop PC that will bring your digital home to life. Fueled by smart processing, powerful graphics, and vivid audio, its Full HD 23" frameless IPS display looks beautiful and performs even better. Plus, it is easy to expand or upgrade.

Model
Brand	Lenovo
Series	IdeaCentre
Model	B550 (57321271)

Quick Info
Type	All-in-One PC
Form Factor	All-in-One
Usage	Consumer
Processor	Intel Core i3-4130 3.4GHz
Processor Main Features	64 bit Dual Core Processor
Cache Per Processor	3MB L3 Cache
Memory	4GB DDR3
Storage	1TB SATA III 7200RPM
Optical Drive	DVDRW
Graphics	Intel HD Graphics 4400
Audio	Dolby Advance Audio v2
Ethernet	Gigabit Ethernet
Wireless Card	802.11b/g/n Wireless LAN
Power Supply	200W
Monitor	23" IPS LED, 1920x1080 Full HD
Speaker	3W x 2
Keyboard	2.4G Wireless Keyboard
Mouse	2.4G Wireless Mouse
Operating System	Windows 8
Special Features	Wall Mountable (VESA 100x100) 720P Webcam

Motherboard
Chipset	Intel H81

CPU
CPU Type	Intel Core i3
CPU Name	Intel Core i3-4130
L3 Cache Per CPU	3 MB
CPU Socket Type	LGA 1150
CPU Main Features	64 bit Dual Core Processor

Graphics
GPU/VGA Type	Intel HD Graphics 4400

Memory
Memory Capacity	4GB DDR3
Memory Spec	4 GB x 1
Maximum Memory Supported	16 GB

Storage
HDD	1TB
HDD Interface	SATA III
HDD RPM	7200rpm

Optical Drive
Optical Drive Type	DVDRW

Display
Screen Size	23"
Touchscreen	Yes
Screen Type	Multi-Touch Screen
Display Feature	IPS LED, 1920x1080 Full HD

Audio
Audio Features	Dolby Advance Audio v2

Communications
LAN Speed	10/100/1000Mbps
WLAN	802.11b/g/n Wireless LAN
Bluetooth	Bluetooth 4.0

Front Panel Ports
Card Reader	6 in 1 (MS/MS PRO/MMC/SD/SDHC/SDXC)

Back Panel Ports
Rear USB	2 x USB 3.0 (Side) 4 x USB 2.0

Mouse
Mouse Type	Wireless Mouse

Keyboard
Keyboard Type	Wireless Keyboard

Dimensions & Weight
Dimensions (H x W x D)	22.83" x 16.77" x 3.98"
Weight	20.06 lbs.

Additional Information
Date First Available	October 29, 2013

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Limited Warranty period (parts): 1 year
Limited Warranty period (labor): 1 year
Read full details

Return Policies

Return for refund within: 15 days

Return for replacement within: 15 days

This item is covered by Newegg.com's 15-Day Return Policy. Read full return policy for details.

Lenovo B550 23" AIO Intel Core i3 4130 4GB / 1TB HDD (57321271)

Learn more about the Lenovo B550 (57321271)

Customer Reviews of the Lenovo B550 (57321271)

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info

Item#: N82E16883265689

Lenovo B550 23" AIO Intel Core i3 4130 4GB / 1TB HDD (57321271)

Learn more about the Lenovo B550 (57321271)

Customer Reviews of the Lenovo B550 (57321271)

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info