APC Back-UPS Pro Sine Wave UPS, 1500VA/900W (BR1500MS2)
Quick take
The APC Back-UPS Pro Sine Wave UPS (BR1500MS2) is built to protect a home office or gaming PC setup, plus networking gear, from outages and unstable voltage. It stands out for true sine wave output, AVR voltage regulation, and surge protection that also extends to coax and Ethernet. The main buying caveat is that battery runtime is limited (it is designed for short ride-through, not hours of continuous power).
Pros and cons
Pros
- True sine wave output for more sensitive power supplies (useful for PCs, NAS, and other high-end electronics).
- AVR helps correct brownouts and voltage spikes without immediately switching to battery.
- 10 outlets with battery backup plus surge-only outlets, plus coax and Ethernet surge protection.
- LCD display shows runtime, load, and battery health, and it has a silenceable alarm.
Cons
- As a line-interactive UPS, it may take a brief moment to transfer to battery during an outage.
- Runtime depends heavily on what you plug in, so you may not get long run times under heavier loads.
- Battery replacement is user-replaceable, which is convenient for service, but it does mean planning for eventual maintenance.
What buyers think
Buyer-review evidence is strongly positive around day-to-day reliability during real-world power events, including flickers, fluctuations, and full outages. Many buyers report that the unit performs as expected for protecting computers, monitors, and networking equipment, and that setup feels straightforward. Users also tend to like the added monitoring visibility from the LCD and the practical mix of outlets for keeping core devices on battery while less critical peripherals can be surge-only.
There is also some useful nuance in feedback: the UPS is described as needing a short transfer period when moving from utility power to battery during outages, and battery life will naturally depend on load and how often power conditions force the UPS to run on battery. Overall, buyer sentiment clusters around reliable ride-through, sensible protection features, and good fit for PC and network protection.
Key features that matter for home office protection
True sine wave output for sensitive electronics
Unlike basic UPS models that output simulated waveforms, this unit is designed for true sine wave output. That can matter for devices with power supplies that are less forgiving, such as some higher-end PCs, NAS systems, and other sensitive electronics.
AVR handles voltage problems without draining the battery
Automatic Voltage Regulation (AVR) is intended to correct voltage that is too high or too low automatically. The goal is to protect components from chronic under-voltage or over-voltage damage while avoiding unnecessary battery use.
Outlet layout and surge protection for both power and data lines
The BR1500MS2 includes 10 total outlets, with 6 battery-backup outlets for essential devices and 4 surge-only outlets for peripherals. In addition to power protection, it includes built-in coax and Ethernet surge protection, which is relevant if you run a router, modem, network switch, or other network hardware that connects to these lines.
Monitoring that helps you plan shutdowns
The LCD display shows runtime remaining, current watt draw (load), and battery health. A silenceable alarm keeps you informed without constant noise, which is helpful when you are working or gaming during an event.
Capacity, runtime, and what it means for your load
Rated at 1500VA / 900W, the UPS is meant to provide headroom for typical home office and gaming loads. Battery charge time is listed at 16 hours, and the manufacturer also references up to about 73 minutes at 100W, which can help you estimate lower-power scenarios.
At the other end, reported runtime in the product specs is listed as 4 minutes (and can vary by load). Practically, that means this UPS is best viewed as a short “ride-through” to let you save work, shut down cleanly, and keep networking online during brief outages, rather than as a long-duration backup for heavy loads.
Active PFC and compatibility considerations
It is active PFC compatible, which is helpful when powering modern power supplies that use active PFC. If your devices are known to be sensitive to power quality, the true sine wave design plus AVR and monitoring are the biggest reasons to consider this model.
Setup, form factor, and everyday usability
This model uses a tower form factor (about 15 inches deep, 4.4 inches wide, and 11.9 inches high). Weighing in around 27.55 pounds, it is not something you typically move often. For most home office setups, the benefit is stable placement near a desk or equipment rack.
It also includes both USB-C and USB-A charging ports, so you can charge a phone, tablet, or other small devices without using a battery-backed outlet.
Pros and cons in context (who this UPS is for)
Best for
- Home office and gaming PC owners who want true sine wave output for sensitive equipment.
- People protecting a combination of PC plus monitors and networking gear (especially routers, modems, NAS, and data-line connections).
- Buyers who value AVR voltage correction and want clearer status visibility via the LCD.
Who should avoid it
- Anyone expecting long runtime while running high-wattage loads, since this is designed for short ride-through.
- Buyers who need a UPS that delivers instant, seamless power transfer with zero transfer time, since line-interactive units can involve a brief switch to battery.
Is it worth it? A straightforward verdict
The APC Back-UPS Pro Sine Wave (BR1500MS2) is a strong choice if your priority is clean, dependable ride-through for a PC and network setup, with true sine wave output and AVR voltage regulation. It also makes practical sense if you want both battery-backed outlets and surge protection for coax and Ethernet. The value tradeoff is runtime, which is load-dependent and best treated as time for saving work and staying connected briefly, not as a substitute for a generator or whole-home backup.
FAQ
What devices should I plug into battery backup outlets?
Battery-backup outlets are intended for your most important gear during an outage, such as your PC, monitor(s), and key networking equipment. Use surge-only outlets for less critical peripherals if your goal is to preserve runtime for essential devices.
Does this UPS output true sine wave power?
Yes. This model is designed with true sine wave output, which can be a better fit for more sensitive electronics than UPS units that produce simulated waveforms.
How does AVR work on this UPS?
AVR (Automatic Voltage Regulation) is meant to correct voltage that is too high or too low automatically. Ideally, that reduces how often the UPS needs to switch to battery during voltage fluctuations.
How long will the battery last during an outage?
Runtime depends on your total load (watts) connected to the UPS. The product information includes a referenced runtime at a lower power draw and a shorter runtime figure for heavier loads, so your actual time on battery will vary.
Is the battery user-replaceable?
Yes. The UPS uses a user-replaceable battery, which can help extend the useful life of the unit over time.
Does it protect Ethernet and coax lines?
Yes. It includes built-in surge protection ports for coax and Ethernet data lines, intended to help protect connected networking equipment.
Specifications
| Product Title | APC Back-UPS Pro Sine Wave UPS, 1500VA/900W, Active PFC Compatible, AVR, LCD, 10 Outlets, USB-C Charging Port | BR1500MS2 Uninterruptible Power Supply for Home Office, PC, Gaming Computers |
|---|---|
| Category | Electronics > Computers & Accessories > Computer Accessories & Peripherals > Uninterruptible Power Supply (UPS) |
| Brand | APC |
| Manufacturer | APC |
| Model Number | BR1500MS2 |
| Item Weight | 27.55 Pounds |
| Product Dimensions | 15"D x 4.4"W x 11.9"H |
| Color | Black |
| Voltage | 120 Volts |
| Amperage | 12 Amps |
| Battery Charge Time | 16 Hours |
| Form Factor | Tower |
| Input Voltage | 120 Volts |
| Maximum Power | 900 Watts |
| Surge Protection Rating | 1080 Joules |
| Output Current | 7.5 Amps |
| Output Voltage | 120 Volts |
| Power Plug Type | Type B - 3 pin (North American) |
| Connector Type | NEMA |
| Number of Outlets | 10 |
| Battery Average Life | 5 years |
| Output Wattage | 900 Watts |
| Wattage | 900 watts |
| Frequency Range | 60 Hz |
| Runtime | 4 minutes |
| Lower Temperature Rating | 32 Degrees Fahrenheit |
| Upper Temperature Rating | 104 Degrees Fahrenheit |
Recommended next
CyberPower CP1500PFCRM2U PFC Sinewave UPS Battery Backup and Surge Protector, 1500VA/1000W, 8 Outlets, AVR, Short Depth 2U Rackmount
The CyberPower CP1500PFCRM2U is a short-depth 2U rackmount UPS built for equipment that prefers (or requires) sine-wave power, common with active PFC power supplies. It offers 8 outlets, AVR, a color LCD for at-a-glance status, and optional network monitoring support for remote management.
APC UPS Back-UPS Pro 1500VA UPS, 900W Battery Backup & surge protector, AVR, 10 outlets (BX1500M)
The APC Back-UPS Pro 1500VA (BX1500M) is a home-office and networking UPS that adds battery backup plus surge protection for a 10-outlet setup. With AVR, an LCD status display, and user-replaceable batteries, it targets buyers who want protection for computers, Wi-Fi gear, and other essential electronics during outages, with the main tradeoff being that backup runtime depends heavily on the load.
GOLDENMATE 1000VA/600W Lithium UPS Battery Backup and Surge Protector, Backup
The GOLDENMATE 1000VA/600W lithium UPS backup is built for PCs, monitors, and networking gear that you want to keep online during short outages and brownouts. It uses a LiFePO4 battery, offers pure sine wave output, includes eight surge-protected NEMA 5-15 outlets, and provides real-time monitoring on an LCD panel, with a tradeoff of limited runtime at higher loads.
CyberPower CP1500AVRLCD3 Intelligent LCD UPS Battery Backup and Surge Protector, 1500VA/900W, 12 Outlets, 2 USB Ports, AVR, Mini Tower, UL Certified
The CyberPower CP1500AVRLCD3 is a mini-tower UPS built for desktop PCs, networking gear, and entertainment setups, with simulated sine-wave battery backup, AVR to smooth minor voltage dips, and a color LCD that tracks battery and power status. It includes 12 outlets (with six battery-backed/surge-protected) plus USB charging, but it is better suited for short, real outages and saving work, not extended runtime during heavy loads like gaming.