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Quick tech specs
  • TAA-Compliant Desktop Internet Office 6 outlet standby Uninterrupted Power Supply with battery backup provides power protection for your computer set-up
  • Built-in RJ45 jacks prevent surges from damaging your modem/fax/10BT equipment
  • 3-year Tripp Lite Warranty/$100,000 Lifetime Insurance
  • 300VA power capacity maintains your Internet connection allowing you to work online through short blackouts or safely shut down during long ones
  • 3 UPS battery supported and 3 surge-only outlets
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Know your gear

Tripp Lite's Internet Office 300 UPS System provides complete power protection for your entire computer set-up. 300VA power capacity maintains your Internet connection allowing you to work online through short blackouts or safely shut down during longer ones. Unique design features 6 outlets (3 UPS and surge + 3 surge-only outlets) and diagnostic LEDs. Built-in RJ45 jacks prevent surges from damaging your modem/fax/10BT equipment. A 6-ft. telephone cord is also included. $25,000 Ultimate Lifetime Insurance covers connected equipment.

Key Buying Points:

300VA output power rating (150 watts)

Up to 11 minutes backup time (single PC; 15-in monitor)

Battery run time: 10 minutes half load / 4 minutes full load

6 protected outlets (3 UPS and surge + 3 surge-only outlets); 6-ft. cord

Built-in RJ45 jacks prevent surges from damaging your modem/fax/10BT equipment; 6-ft. telephone cord included

Complete surge protection and EMI/RFI noise filtering

$25,000 Ultimate Lifetime Insurance covers connected equipment

5 diagnostic LEDs indicate AC present, line fault, on battery, overload and battery low/replace


Typical Applications

Personal computers with modems, network workstations, home-office workstations, point-of-sale terminals and more.


Package Includes

Internet Office 300 UPS System

6-ft. telephone cord

Instruction manual with warranty information

This item was discontinued on January 27, 2021

Contact Sales Assistance
(800) 800-4239, Monday-Friday 7am-7:30pm CT

Customize your gear

As you assemble your hardware, configurable options may change or become unavailable.

Better Together

Tripp Lite UPS 300VA 150W Desktop Battery Back Up Compact 120V RJ45 TAA
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Tripp Lite UPS 300VA 150W Desktop Battery Back Up Compact 120V RJ45 TAA is rated 4.80 out of 5 by 5.
Rated 5 out of 5 by from Best size and configuration to protect Best size and configuration to protect even a $10,000 sewing machine!
Date published: 2013-10-11T00:00:00-04:00
Rated 5 out of 5 by from Format and cost and function are the best! I protect all electronic equipment in my house with Tripplite. Even my wife's sewing machines that are very computerized. The machines are very expensive, and I need to see that nothing can happen to them.
Date published: 2014-10-01T00:00:00-04:00
Rated 5 out of 5 by from This is my second Tripp Lite Purchase This is a replacement for my 9 year old previous Tripp Lite system. It is a quality product, well priced, but I am most impressed with Tripp Lite's Customer Services! Highly recommend Tripp Lite and its products.
Date published: 2018-04-01T00:00:00-04:00
Rated 5 out of 5 by from Overall a good product Was overcharged by our local electronics store by $12 over MSRP. 1 of the 9 I purchased was defective. I am preparing a warranty claim now, guess we'll see how that goes and possibly edit this review. I would recommend this to anyone in need of a small ups.
Date published: 2012-10-29T00:00:00-04:00
Rated 5 out of 5 by from Protection that wins! We must protect the computerized sewing machine. So, I do it with Tripp-Lite Internet Office. Plenty of outlets for the sewing machine, and plenty of protection.
Date published: 2017-03-10T00:00:00-05:00