$183.99
The APC BX1000M rates 3.2 among tower (1,000 to 2,000 VA) UPS battery backups; the APC BE850G2 rates 2.9 among desktop (under 1,000 VA) ones. The APC BE850G2 costs $46.29 less ($137.70 vs $183.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
$137.70
Scores side by side
These two sit in different size classes (tower (1,000 to 2,000 VA) and desktop (under 1,000 VA)), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | APC BX1000M | APC BE850G2 |
|---|---|---|
| Overall rating | 3.2/5 | 2.9/5 |
| Value 25% | 66 $30.67 per 100 W ($183.99, 600 W) | 66 $30.60 per 100 W ($137.70, 450 W) |
| Output 15% | 23 600 W rated output | 13 450 W rated output |
| Topology and waveform 20% | 55 line-interactive, waveform not published | 50 topology and waveform not published (neutral score used) |
| Runtime 10% | 49 42 min at 100 W | 38 35 min at 100 W |
| Features 15% | 45 automatic voltage regulation, LCD | 15 USB charging |
| Warranty 15% | 40 3-year warranty, $75,000 equipment guarantee | 40 3-year warranty, $75,000 equipment guarantee |
Specifications
| APC BX1000M | APC BE850G2 | |
|---|---|---|
| Power | ||
| Rated apparent power | 1,000 VA | 850 VA |
| Rated real power | 600 W | 450 W |
| Topology | Line-interactive | - |
| Automatic voltage regulation | Yes | - |
| Battery and runtime | ||
| User-replaceable battery | Yes | Yes |
| Runtime at 100 W | 42 min | 35 min |
| Outlets and features | ||
| Outlets | 8 (4 on battery) | 9 (6 on battery) |
| Format | Tower | Desktop |
| Display | LCD | - |
| USB charging ports | No | Yes |
| Data port, software or network option | No | No |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Connected-equipment guarantee | $75,000 | $75,000 |