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APC UPS 850VA/450W UPS Battery Backup & Surge Protector for PC, Router, NAS… competes with other Power Protection products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full Power Protection category for alternatives.

APC

APC UPS 850VA/450W UPS Battery Backup & Surge Protector for PC, Router, NAS | Back-UPS UPS battery backup for home office electronics — 35-min runtime, surge protection, dual USB-A charging port

Name: APC UPS 850VA/450W UPS Battery Backup & Surge Protector for PC, Router, NAS | Back-UPS UPS battery backup for home office electronics — 35-min
Brand: APC
SKU: B085JJZDFK
Price: 136.57 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$136.57

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*Price sourced from Amazon.com. Last updated 2026-04-19. Price and availability subject to change.

Bottom line: The APC UPS 850VA/450W UPS Battery Backup & Surge Protector for PC, Router, NAS | Back-UPS UPS battery backup for home office electronics — 35-min runtime, surge protection, dual USB-A charging port is a niche pick — read recent reviews before buying in the power protection category, priced around $136.57. Compare close alternatives before committing.

The APC Back-UPS BE850G2 is a 850VA/450W battery backup built for the always-on corner of a home office: desktop, router, modem, and NAS. When utility power drops, the unit carries a 100W load for up to 35 minutes, which is enough runtime to save open work, close a database cleanly, or simply ride out the brownouts and flickers that corrupt NAS volumes and force ugly filesystem checks on reboot. Nine NEMA outlets split the job sensibly: six give you full battery backup plus surge protection for the gear that cannot lose power, while three surge-only outlets absorb printers and secondary…

SpecPicks Verdict

SpecPicks scored APC UPS 850VA/450W UPS Battery Backup & Surge Protector for PC… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the power protection category. APC's power protection lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

Common buyer scenarios for power protection of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Backed by APC's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

KEEP WORKING WHEN THE POWER GOES OUT: 850VA/450W provide up to 35 minutes of runtime at 100W to save work, shut down safely, or ride out short outages. Protect desktops, monitors, NAS, & modems from data-corrupting power cuts
PROTECTS YOUR WHOLE HOME OFFICE SETUP: Battery backup keeps your computer, router, modem, NAS, and smart home gear running during outages. Surge-only outlets handle printers and monitors. One unit, entire workspace covered
9 OUTLETS + 2 USB-A CHARGING PORTS: 6 battery-backup and 3 surge-only NEMA outlets, plus 2 USB-A ports (5V/2.4A shared) to charge phones and tablets without sacrificing a protected outlet
EASY TO MONITOR, EASY TO MAINTAIN: Silenceable alarm and LED indicators give instant status at a glance. Battery is User-replaceable in minutes - no technician needed. Replacement battery model RBC17 (sold separately)
3 YEAR WARRANTY + ENHANCED PROTECTION FOR CONNECTED ELECTRONICS: Supported by a 3Year Warranty, plus Equipment Protection for enhanced coverage of connected devices, providing added assurance against powerrelated damage

Full Specifications

Brand	APC
Color	Black
Runtime	2 minutes
Voltage	850 volts
Wattage	450 watts
Amperage	2.4
Unit Count	1 Count
Form Factor	Tower
Connectivity	USB
Model Number	BE850G2
Compatibility	PC
Input Voltage	120 volts
Maximum Power	450 watts
Connector Type	NEMA
Item Type Name	Uninterruptible Power Supply UPS
Output Current	2.4 A
Output Voltage	850 volts
Output Wattage	450 watts
Item Dimensions	12.87 x 4.13 x 5.47 inches
Mfr Part Number	BE850G2

Ready to buy?

APC UPS 850VA/450W UPS Battery Backup & Surge Protector for PC, Router, NAS | Back-UPS UPS battery backup for home office electronics — 35-min runtime, surge protection, dual USB-A charging port is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-04-19. Price and availability subject to change.