These are a must have for a 3D printer. I've lost a few prints because of power flashes, but this is going to be a game changer. I used to be so nervous if a thunderstorm rolled in during a print, not anymore. Luckily I haven't had to fully utilize it yet, but I tested it by unplugging the power cord from the wall. Flawlessly kept printing.
8.8Our score 4 photosAPC Battery Backup 550VA/330W Uninterruptible Power Supply for PC, BE550G
Reliable 650VA / 390W UPS battery backup that protects home office electronics and keeps essential devices powered during blackouts, surges,
About this item
- Keeps Devices Running During Power Outages: Reliable 650VA / 390W UPS battery backup that protects home office electronics and keeps essential devices powered during blackouts, surges, and unexpected power interruptions
- Stay Connected When It Matters Most: Delivers up to 29 minutes of runtime when powering a 100W load. Mid-Size battery backup for computers, Wi‑Fi routers, modems, external drives, NAS, and Smart-Home IoT devices
- Power & Charge All Your Essential Devices: 8 well‑spaced outlets (4 battery backup + surge protection, 4 surge‑only), provide reliable battery backup and surge protection for multiple devices
- Instant Ups Status & Easy Battery Replacement: Clear indicators and mutable audible alerts give quick UPS status updates. The battery is User‑replaceable with genuine APC replacement battery Model RBC17 (sold separately)
- Enhanced Protection For Connected Electronics: Supported by a 3‑Year Warranty and $75,000 Equipment Protection, offering enhanced coverage for connected devices and added assurance against power‑related damage
Reliable 650VA / 390W UPS battery backup that protects home office electronics and keeps essential devices powered during blackouts, surges,
Ranked #99 in Accessories · 4 things we like
Quick answer The APC Battery Backup 550VA/330W Uninterruptible scores 8.8/10 with us. Amazon owners rate it 4.4 out of 5 across 4,029 reviews, in line with the 4.4 average of the 11 uninterruptible power supply (ups) we track. It was listed at $101.13 on Amazon when we last checked in September 2026. Key facts: form factor Baby AT, battery average life 3 years.
The APC Back-UPS BE550G is a dependable 550VA/330W UPS battery backup and surge protector designed to help keep essential home and office electronics protected during power outages, voltage fluctuations and damaging power surges. This compact APC UPS features eight NEMA 5-15R outlets: four outlets provide battery backup and surge protection, while four additional outlets provide surge-only protection. Use this uninterruptible power supply as a battery backup for a computer, monitor, Wi-Fi router, modem, networking equipment, gaming console and other valuable electronics.
During a power outage, the BE550G supplies temporary battery power to connected equipment, helping you remain connected, save important work and safely shut down your computer. The BE550G computer UPS includes a 340-joule surge energy rating, audible alarms, LED status indicators and data-line surge protection. A USB con
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Product information
24 specifications| Voltage | 120 volts |
|---|---|
| Amperage | 2.75 A |
| Form Factor | Baby AT |
| Input Voltage | 120 volts |
| Maximum Power | 330 watts |
| Output Current | 2.75 A |
| Output Voltage | 120 volts_of_alternating_current |
| Power Plug Type | Type B - 3 pin (North American) |
| Connector Type | NEMA |
| Number of Outlets | 8 |
| Battery Average Life | 3 years |
| Output Wattage | 330 watts |
| Wattage | 330 watts |
|---|---|
| Frequency Range | 60Hz |
| Runtime | 30 minutes |
| Item Dimensions D x W x H | 7"D x 12"W x 3.3"H |
| Item Weight | 13 pounds |
| Item Dimensions | 12 x 3.3 x 7 inches |
| Color | Black |
| Enclosure Material | Plastic |
| Brand | APC |
| Model Number | BE550G |
| Item Highlight | UPS battery backup for PCs, routers & electronics. Surge protection (+RJ45 e-net), ENERGY STAR certified, Replaceable Ba |
| Number of Packs | 1 |
Pros & cons
- KEEPS DEVICES RUNNING DURING POWER OUTAGES: Reliable 650VA / 390W UPS battery backup that protects home office electronics and keeps essential devices powered during blackouts, surges, and unexpected power interruptions
- STAY CONNECTED WHEN IT MATTERS MOST: Delivers up to 29 minutes of runtime when powering a 100W load. Mid-Size battery backup for computers, Wi‑Fi routers, modems, external drives, NAS, and Smart-Home IoT devices
- POWER & CHARGE ALL YOUR ESSENTIAL DEVICES: 8 well‑spaced outlets (4 battery backup + surge protection, 4 surge‑only), provide reliable battery backup and surge protection for multiple devices
- INSTANT UPS STATUS & EASY BATTERY REPLACEMENT: Clear indicators and mutable audible alerts give quick UPS status updates. The battery is User‑replaceable with genuine APC replacement battery Model RBC17 (sold separately)
APC Battery Backup 550VA/330W Uninterruptible: questions & answers
Is the APC Battery Backup 550VA/330W Uninterruptible worth buying?
Yes, it is one of the stronger picks in its group. We score the APC Battery Backup 550VA/330W Uninterruptible 8.8 out of 10. Amazon owners rate it 4.4 out of 5 across 4,029 reviews, in line with the 4.4 average of the 11 uninterruptible power supply (ups) we track.
How much does the APC Battery Backup 550VA/330W Uninterruptible cost?
It was listed at $101.13 on Amazon when we last checked in September 2026. That is cheaper than the $159.99 median for uninterruptible power supply (ups) in our catalog. Amazon prices change daily, so use the price button on this page to see the current figure.
What are good alternatives to the APC Battery Backup 550VA/330W Uninterruptible?
Similar, well-rated uninterruptible power supply (ups) in our catalog: APC Battery Backup 650VA/390W Uninterruptible (9.2/10, 4.6 stars from 4,145 owners); APC BE600M1 UPS Battery Backup & Surge Protector (9.0/10, 4.5 stars from 29,212 owners); APC BR1500MS2 Pure Sine Wave UPS Battery Backup (9.0/10, 4.5 stars from 3,518 owners).
APC Battery Backup 650VA/390W UninterruptibleAPC BE600M1 UPS Battery Backup & Surge ProtectorAPC BR1500MS2 Pure Sine Wave UPS Battery Backup
Customer reviews
All reviews on AmazonBreakdown from the 10 most helpful reviews we imported.
This product is just right for providing power to a few small electronic items, like a cable modem, router, and printer. It works well. I tested it by unplugging it from house current, and it worked. The connected devices kept working.This is not a real UPS, but it is fine for home use. A real UPS provides continuous power - it always provides power from the battery. This product does not do that. Instead, it normally gives power from the house current. When the power in the house goes out, this unit cuts over to the battery in a fraction of a second. So it is not continuous power. But it is f
Oustanding Product
This is my first battery back up that I've ever purchased. I couldn't really justify spending money on something that just seemed like a convenience until I did some research on how sudden shutdowns can be damaging to Solid State Drives (SSDs). I like how it not only helps with outages but works as a bigger buffer than just a power strip alone. I also liked the fact that it has several places to plug into for the battery backup and some extra ones for just surge protection. I would recommend this to anyone who wants to prevent damage to their computers, in particular their SSDs and those peopl
This APC battery backup has been one of the best investments I've made for protecting my electronics. I've experienced power spikes, surges, and brief interruptions from the electric company, and this UPS has saved my equipment more than once.Instead of my computer, router, and other electronics suddenly shutting down or taking the hit from a power fluctuation, the APC kicks in and keeps everything running long enough for the power to stabilize or for me to shut things down properly.I also appreciate the built-in surge protection, network protection, and replaceable battery. Setup is simple, a
Not sure if the reviews are lumped together so just to specify, this is for the BE-550G.I have historically never bothered to run a UPS, but I've been having minor power flickers in my house lately, a couple times a week that would reset my computer much to my annoyance (I run my desktop 24/7). I thought I should get a slightly bigger UPS since I have a custom built budget gaming rig, but I did some quick finger math and decided this one would work "for now". The device came with about a 95% charge if I remember correctly. I plugged in my computer and one monitor to the battery side and let it
I bought an APC UPS for my Tivo, on the advice of the Weaknees web site, and plugged the Tivo into the battery outlet of the APC UPS. I plugged other items (TV, cable box, remote charger) into other outlets. I came home after a planned power outage in my area to find that the Tivo was fried, completely not functional and with a blinking green light that indicates the motherboard was damaged (per Weaknees). The other connected items were fine. I know that there was a power surge because the line conditioner I have on my main A/V set up a floor above tripped and had to be reset.I contacted APC a
This review is for the APC Back-UPS ES 8 Outlet 550VA 120V. Amazon combines reviews for several different models so I wanted everyone to know exactly which model I am reviewing. This is also important since all of the models differ from one another.This is an excellent backup for the price. I purchased it to keep my modem and router from turning off and rebooting should the power flicker or go out for a short time. This backup does the trick. It has 4 back up ports and 4 standard surge protected ports. You can also hook it up to a PC (I did not). The backup is also very quiet (actually silent)
Customer reviews are shown as published on Amazon and are not written by Do Best Deal.













