$137.70
The APC BE850G2 is the better UPS battery backup overall, rated 2.9 to 2.7. The APC BE850G2 leads on features. The Amazon Basics UPS 800VA wins on value. The Amazon Basics UPS 800VA costs $49.74 less ($87.96 vs $137.70).
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.
$87.96
Which should you buy?
- Choose the APC BE850G2 for features (USB charging vs none of the listed features).
- Choose the Amazon Basics UPS 800VA for value ($19.55 per 100 W ($87.96, 450 W) vs $30.60 per 100 W ($137.70, 450 W)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every desktop (under 1,000 VA) UPS battery backup; a clear win is highlighted. How we rank explains each one.
| Factor weight | APC BE850G2 | Amazon Basics UPS 800VA |
|---|---|---|
| Overall rating | 2.9/5 | 2.7/5 |
| Value 25% | 66 $30.60 per 100 W ($137.70, 450 W) | 87 $19.55 per 100 W ($87.96, 450 W) |
| Output 15% | 13 450 W rated output | 13 450 W rated output |
| Topology and waveform 20% | 50 topology and waveform not published (neutral score used) | 25 standby, waveform not published |
| Runtime 10% | 38 35 min at 100 W | 50 runtime at 100 W not published (neutral score used) |
| Features 15% | 15 USB charging | 0 none of the listed features |
| Warranty 15% | 40 3-year warranty, $75,000 equipment guarantee | 0 warranty not published, scored as none |
Specifications
| APC BE850G2 | Amazon Basics UPS 800VA | |
|---|---|---|
| Power | ||
| Rated apparent power | 850 VA | 800 VA |
| Rated real power | 450 W | 450 W |
| Topology | - | Standby |
| Automatic voltage regulation | - | No |
| Battery and runtime | ||
| User-replaceable battery | Yes | - |
| Runtime at 100 W | 35 min | - |
| Runtime at half load | - | 12 min |
| Runtime at full load | - | 2 min |
| Outlets and features | ||
| Outlets | 9 (6 on battery) | 12 (6 on battery) |
| Format | Desktop | Desktop |
| USB charging ports | Yes | No |
| Data port, software or network option | No | No |
| Warranty | ||
| Warranty | 3 years | - |
| Connected-equipment guarantee | $75,000 | - |