Price History for CyberPower Standby Series CP550SLG 550VA / 330W Simulated Sine Wave UPS 8 Outlets / USB Port
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CyberPower Standby Series CP550SLG 550VA / 330W Simulated Sine Wave UPS 8 Outlets / USB Port
What you re looking at is the CyberPower Standby CP550SLG a robust uninterruptible power supply (UPS) designed to shield your home office electronics from the unpredictable nature of power supply. This powerfu
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Aug 1, 2026 | $86.00 |
| Jul 27, 2026 | $81.45 |
| Jul 23, 2026 | $81.79 |
| Jul 22, 2026 | $88.48 |
| Jul 16, 2026 | $81.79 |
| Jul 15, 2026 | $87.44 |
| Jul 8, 2026 | $90.02 |
| Jul 5, 2026 | $89.96 |
| Jul 3, 2026 | $91.25 |
| Jul 1, 2026 | $88.99 |
| Jun 30, 2026 | $91.25 |
| Jun 27, 2026 | $88.99 |
| May 6, 2026 | $90.02 |
| Apr 27, 2026 | $77.95 |
| Apr 21, 2026 | $90.02 |
| Jan 24, 2026 | $77.95 |
| Dec 22, 2025 | $77.95 |
| Dec 17, 2025 | $77.95 |
| Nov 27, 2025 | $77.95 |
Analysis
CyberPower Standby Series CP550SLG 550VA / 330W Simulated Sine Wave UPS 8 Outlets / USB Port price analysis
Price analysis for CyberPower Standby Series CP550SLG 550VA / 330W Simulated Sine Wave UPS 8 Outlets / USB Port at Walmart: Today's price is $86.00. That's 6% off the MSRP of $91.11. Current price is 1% below the 90-day average of $87.28 (a $1.28 below the running mean).
- The current price of $86.00 is 6% (or $5.11) below the MSRP of $91.11.
- Current price is 1% below the 90-day average of $87.28 (a $1.28 below the running mean).
- The lowest recorded price on PriceWatchPro was $77.95 on November 27, 2025. That's $8.05 below today's price.
- The highest recorded price on PriceWatchPro was $91.25 on June 30, 2026. Today's price is $5.25 below that peak.
- 30-day trend: trending down 1.7% from $87.44 to $86.00.
- Across 18 tracked price changes, the listing has dropped 7 times with an average drop of $4.51.
- PriceWatchPro has been tracking this listing since November 27, 2025 (253 days of price history).
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