Amazon Basics UPS Battery Backup & Surge Protector 400VA/255W, 6 Outlets, Standby Uninterruptible Power Supply, for Power Outage Protection, Compact, Black
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This item is eligible for return within 30 days of receipt
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Availability:
In Stock.
Arrives
Tuesday, Jul 29
Size: Standby
Style: 6 Outlet (400VA)
Features
- Standby uninterruptible power supply (UPS) with 400VA / 255W battery backup; ideal for home networks, IoT devices, and home entertainment devices
- 6 outlets total (NEMA 5-15R), consisting of 3 surge-protected outlets and 3 surge-protected/battery-backup outlets
- Protects electronic devices during a power surge; provides reliable power, keeping devices powered during short outages and powered for long enough to shut down properly during extended outages
- Small compact size integrates easily into any home or office environment; 5-foot cord with NEMA 5-15P right angle and 45-degree offset plug (120V - 50Hz / 60Hz)
- Note: Power management software is available for download in the "Product guides and documents" section of this page
- Note: Please check the total device power consumption when applying battery backup outlet; for optimal system performance, keep the load below 80% of the unit's rated capacity
Description
Amazon Basics From the Manufacturer Amazon Basics
Battery Cell Composition: Lead Acid
Product Dimensions: 7.24"D x 4.33"W x 3.22"H
Voltage: 120 Volts
Color: Black
Product Dimensions: 7.24 x 4.33 x 3.22 inches
Item Weight: 4.2 pounds
Date First Available: June 19, 2018
Country of Origin: China
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Jul 29
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: Standby
Style: 8 Outlet (600VA)
The setup was easy. Four of the sockets use the backup power, the other four don't. So I hooked up just the necessary things for backup: My PC, monitor, and router. Then I pulled the plug out of the wall. There was no interruption whatsoever - everything just kept running. It said I had 26 minutes of battery time. So I'll break that down, because so many people want a time estimate. I bought the 600va/360w version. My PC was built to be low power consumption. I estimate it consumes 150w, maximum, and much less when idle. The monitor is a medium-sized 1080p monitor. I am guessing it takes 30w. That's a blind guess. The modem, maybe 15w. So that's less than 200w, and I get 26 minutes running time. Your desktop PC probably uses a bit more power. I'm on a circuit that blows frequently, so I only need a short time while the circuit is reset. So if you're only supporting a router/modem, it should last a very long time. It is apparent to me that many of the unhappy reviewers are need a commercial-grade solution and are expecting much more power and features than this simple, inexpensive UPS has. The unit is rated at 360w. As you approach that maximum, efficiency will drop and your run time will be greatly reduced. Keep it to 200w or less, if you want good efficiency. Don't try putting a 'fridge or a microwave on this little guy. It isn't made for that. A normal laptop might get a few hours out of this. Most desktop PC's use more power than mine does, especially a fancy gaming rig or software engineer's station. If you have a mighty computer, you won't get much more than time to shut it down gracefully. A more modest computer might last 15 minutes or more. Please keep in mind these are my amateur estimates. There is software. Check under the product info on the Amazon page. I forget which tab it is under, but there's a link. Plug the supplied cable into your computer to configure the unit. Install software. It will ask for a username and password. Both are "admin" until/unless you change them. You don't have to use the software. It just lets you tinker with settings and see the battery time and load. Handy for experimenting with different loads. No complaints, it's doing just what I hoped it would do. Hope this review is helpful to some.
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Reviewed in the United States on January 25, 2023 by J. Brown
Size: Standby
Style: 6 Outlet (400VA)
This has worked flawlessly for me for a long time now and I'm finally around to giving it a review. It's handled spikes and outages and works like a champ. I'd definitely recommend it to anyone needing a UPS. It's display is easy to read and the availability shown is accurate. It has protected from spikes, from multiple pulses (power on off on off on...) and gives you warning before finally powering off. I've used it to run two computers and three monitors (one is a large tv) and it protects fine. In longer outages, it's run my computer on and off as needed - I've never tried to drain it fully, but it's run 30 minutes and had power to spare. I'll buy another when I need to replace it.
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Reviewed in the United States on June 9, 2025 by Ryan K.
Size: Standby
Style: 8 Outlet (600VA)
The battery backup works fine, and the software gives a pretty good review of its performance. I'm very disappointed that Amazon doesn't offer a replacement for the battery. Of all the batteries Amazon carries, it doesn't offer a replacement battery for its own product. Wouldn't that make sense? These batteries have a short lifespan. Can someone at Amazon tell me where to find a replacement battery? As a follow up to the above review: Since I couldn't find an exact replacement for the battery in my old UPS; I took a gamble and ordered the NPP NP12-5AH battery, also from Amazon. Worked Like A Charm. It fit perfectly in the small battery compartment, charged up real nice, and has my older 600VA running like new. It was also a very reasonable replacement cost wise. Don't let the low cost and country of origin deter you. This is a quality product and I'm lucky to have found it.
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Reviewed in the United States on March 8, 2025 by GerryD.
Size: Standby
Style: 6 Outlet (400VA)
We installed a WiFi network at my place of business and were looking for multiple UPS's for each of our switches and WiFi Access Points. When looking for what device would work best I came across this Amazon Branded piece of equipment. The price was fair and I really like their, "Backed by an AmazonBasics limited 1-year warranty, including the battery; $75,000 connected equipment guarantee" - the last bullet in the description. This warranty is a joke. We had a power surge in our building and most of the UPS's worked as intended, however there was 1 that did not. All the equipment connected to it was fried after the surge and no longer works. Over $900.00 of equipment was destroyed (all of which was ordered from Amazon). I just wanted a credit I could, gift card, something! I had serial numbers and images of the equipment and everything. I immediately contacted customer support and told them that I wanted to submit an issue/claim under the "Backed by an AmazonBasics limited 1-year warranty, including the battery; $75,000 connected equipment guarantee." I had to continue to reach back out to Amazon Customer Support 3+ times, each time they told me someone would follow up with me within the next 3-5 business days on my warranty claim. I spent a total of 4-5 hours (spread out over multiple days) of my time emailing, chatting over the phone, sending pictures, chatting online and still nothing has happened. I have continually been ignored and have been given false promises of, "I will PERSONALLY call you back on (x) date to follow up with you on this issue." Then, after no phone call or follow-up, I would email them back, only to have a different person respond and tell me to call Amazon Customer Support (which means I would start from scratch and have to tell my story all over again and go through the same steps). The continuous false promises and disregard (whether intentional or not) is beyond frustrating - especially when you buy the device because of the warranty that is promised. I am a regular user of Amazon services, but I'm very disappointed with the way this situation was handled and I feel that I have wasted my time and have been ignored multiple times. Not a product I would recommend buying.
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Reviewed in the United States on October 16, 2019 by Taylor