APC Back-UPS 850VA/450W Battery Backup UPS & Surge
APC

APC Back-UPS 850VA/450W Battery Backup UPS & Surge

Protector, 9 Outlets, 20-Min Runtime, Protects PC, Router, NAS & Home Office |Model BE850G2

$133.99$142.99Save 6%4.6(3,778 reviews)
Mubboo Score A-
Buy on Amazon $133.99

Price as of 2026-06-05. Check Amazon for the current price.

Quick Decision

Mubboo Score
A-
Price
🟡 At Average Price
Best For
Budget-conscious shoppers
Skip If
UGREEN NAS UPS offers a better rating (4.8/5) at a similar or lower price ($110)
Reviews
3,778+ · reliable

Price Intelligence

🟡 At Average Price

Currently $133.99 — $3.20 below the 90-day average of $137.20.

All-time low: $115 on Fri Jan 17 (from 182 price checks).

Is This Right For You?

✅ Great for
  • Budget-conscious shoppers — priced below 72% of UPS Battery Backups
  • Those who want a top-rated option — in the top 16% of UPS Battery Backups by rating
⚠️ Think twice if
  • UGREEN NAS UPS offers a better rating (4.8/5) at a similar or lower price ($110)
💡 Consider instead
  • CyberPower ST425 Standby UPS Battery Backup and Surge Protector — 55% cheaper at $60 (Score A)
  • UGREEN NAS UPS — higher rated at 4.8/5 ($110)

📊 Based on data analysis of 25 products in this category.

Mubboo Score: A-

Quality9.2/10
based on 4.6/5 customer rating
Popularity8.0/10
3,778 reviews, top 40% in UPS Battery Backups
Value7.2/10
priced below 72% of UPS Battery Backups

How It Compares

This Product
APC Back-UPS 850VA/450W Battery Backup UPS & Surge
Most Popular
APC UPS Battery Backup
Best Rated
UGREEN NAS UPS
Best Value
CyberPower ST425 Standby UPS Battery Backup and Surge Protector
Price$133.99$83.99$109.99$59.95
Rating4.6/54.5/54.8/54.4/5
Reviews3,77828,9035825,145
Mubboo ScoreA-A+A-A

Quick Specs

Color
Black
Runtime
2 minutes
Voltage
850 Volts
Wattage
450 watts
Amperage
2.4
Unit Count
1.0 Count
Form Factor
Tower
Item Weight
9.6 Pounds

What People Say

Synthesized from 40 reviews · 98% verified purchases.

Consider pure sine wave models for active PFC power supplies, and test battery immediately upon arrival. Install monitoring software for automatic shutdown setup.

Praised for
  • Reliable during power outages
  • Easy to set up
  • Good value
  • Sufficient runtime
  • Informative display
Common complaints
  • Battery or self-test failures
  • Software issues
  • Display defects

Expert Picks in UPS Battery Backups

wirecutter
  • CyberPower LE1000DG — Essential gear backup

Category recommendations from independent expert publications. Source links in References.

Related Video Reviews

Key Features

  • 850VA / 450W RELIABLE BACKUP POWER: Supplies short‑term battery power during outages to maintain internet connectivity and allow safe shutdown of computer and other devices during …
  • STAY CONNECTED WHEN IT MATTERS MOST: Delivers up to 20 minutes of runtime when powering a 150W load. Mid-Size battery backup for computers, Wi‑Fi routers, modems, external drives, …
  • POWER & CHARGE ALL YOUR ESSENTIAL DEVICES: 9 well‑spaced outlets (6 battery backup + surge protection, 3 surge‑only), plus 2 USB‑A ports (5V/2.4A shared), provide reliable protecti…
  • 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 replaceme…
  • 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…

Source: product listing on Amazon.

About APC

  • 8 products in our database
  • Average rating: 4.6/5 across all products
  • Price range: $83.99$643.99
  • Categories: UPS Battery Backups

Other UPS Battery Backups

Featured in Our Reviews

Bottom Line

APC Back-UPS 850VA/450W Battery Backup UPS & Surge earns Mubboo Score A-. Priced at $134, around its typical level. Rated 4.6/5 from 3,778+ reviews. Strong buy if: budget-conscious shoppers, those who want a top-rated option. Skip if: ugreen nas ups offers a better rating (4.8/5) at a similar or lower price ($110) — APC UPS Battery Backup (Score A+, $84) may fit better.

Buy on Amazon $133.99Last verified: 2026-06-05

Frequently Asked Questions

Is the APC Back-UPS 850VA/450W Battery Backup UPS & Surge worth buying in 2026?

It earns a Mubboo Score of A-, with a 4.6/5 rating from 3,778 reviews — better than 84% of UPS Battery Backups we track.

How much does the APC Back-UPS 850VA/450W Battery Backup UPS & Surge cost?

It is currently $133.99. The 90-day average is $137.20 and the all-time low we recorded is $115.

How does the Back-UPS 850VA/450W Battery Backup UPS & Surge compare to other UPS Battery Backups?

The category's most-reviewed alternative is the APC UPS Battery Backup (4.5/5, 28,903 reviews, $83.99). The Back-UPS 850VA/450W Battery Backup UPS & Surge carries a Mubboo Score of A- vs A+.

Sources & References

Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-05) and may change.