APC
Back-UPS 850VA / 450W UPS Battery Backup & Surge Protector, 9 Outlets, Type A Charger, BE850G2 Uninterruptible Power Supply for Home Office & Computer
*Price sourced from Amazon.com. Last updated 2026-05-27. Price and availability subject to change.
Bottom line: The Back-UPS 850VA / 450W UPS Battery Backup & Surge Protector, 9 Outlets, Type A Charger, BE850G2 Uninterruptible Power Supply for Home Office & Computer is a category leader on buyer feedback in the power protection category, priced around $134.99, rated 4.6★ across 3,775 verified Amazon reviews. A confident buy for most shoppers in this category.
This APC 850VA battery backup power supply offers guaranteed power and surge protection for wireless networks, computers,and other electronics in your home or business. Backup battery power supply is designed for use during outages and unsafe voltage fluctuations, and provides surge protector with battery backup in the event of damaging power surges and spikes. The APC Back-UPS BE850G2 Uninterruptible Power Supply is the perfect battery backup for computer to protect your data and keep you connected.
SpecPicks Verdict
SpecPicks classifies APC Back-UPS 850VA / 450W UPS Battery Backup & Surge Protector, 9… as a category leader on buyer feedback in the power protection category, based on 3,775 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. APC's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
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
- ✓ Highly rated — 4.6★ average across customer reviews
- ✓ Large, well-vetted feedback pool (3,775 reviews)
- ✓ 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
- 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 power interruptions.
- 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, NAS, and Smart-Home IoT devices
- 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 protection and fast charging 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
Full Specifications
| Brand | APC |
|---|---|
| Color | Black |
| Runtime | 2 minutes |
| Voltage | 850 Volts |
| Wattage | 450 watts |
| Amperage | 2.4 |
| Unit Count | 1.0 Count |
| Form Factor | Tower |
| Connectivity | USB |
| Model Number | BE850G2 |
| Input Voltage | 120 Volts |
| Maximum Power | 450 Watts |
| Connector Type | NEMA |
| Item Type Name | Uninterruptible Power Supply UPS |
Ready to buy?
APC Back-UPS 850VA / 450W UPS Battery Backup & Surge Protector, 9 Outlets, Type A Charger, BE850G2 Uninterruptible Power Supply for Home Office & Computer is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-27. Price and availability subject to change.
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