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CyberPower CP550SLG Standby UPS System

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49,125 reviews covering 88 products for the category Uninterruptible Power Supply (UPS)

Experiential insights by users

About CyberPower CP550SLG Standby UPS System
84% liked the compatibility with multiple devices, but 16% had issues
The UPS has solved the problem of power flickers and rebooting the modem/router and TVs.
I can connect the UPS to my computer with a USB cable and monitor or change settings using free software.
The product deserves five stars as its outlets are oriented in the right direction to accept transformer plug type power supplies that come with most modems, routers, smart things, and cameras.
I have no damage to anything connected to my CyberPower UPS devices and I never lost my internet for even 1 second, indicating that the UPS devices are compatible with my devices and worked as expected.
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76% appreciated the control features, while 24% found them confusing
All my equipment reconnected with no problem using the UPS. Based on my experience, I can say that the UPS works well.
I tested the UPS by depleting the battery completely. But, when I plugged it back into the wall, it powered on after a couple of seconds.
I am thinking of adding a battery meter module to it.
The UPS system lacks feedback on battery status and charging.
86% liked the durable construction, but 14% found it flimsy
I tested the UPS by depleting the battery to the point where it wouldn't even power a night light. However, it powered back on after a couple of seconds when plugged back into the wall. I am happy with this feature, which I consider a must-have.
I installed this UPS to help my weather station survive power outages. It provides a solid sine wave response to the outage with at least 6 hours of continuous power.
I have two larger CyberPower backups and this product is also well made and functional.
I am unsure about the product's durability as I haven't used it for long.
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84% appreciated the response time, while 16% experienced a delay
During the test, all my equipment connected with no problem to the UPS even when the electricity flickered on and off. Rephrased: All my equipment connected with no problem to the UPS during the test even when the electricity flickered on and off.
After installing the UPS, I don't have to do a manual reset for the weather station to report its weather-related data when the power is restored.
With the UPS, all my equipment reconnected with no problem.
The device died exactly one month from delivery.
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77% liked the battery life, but 23% found it didn't last
I have only lost power once since buying the UPS and it did its job. I cannot comment on the battery longevity yet but I would be happy if it lasts for 3-5 years.
I suggest replacing the unit after 3-4 years of use.
I am concerned about how I will know when to replace the UPS system after 2-3 years of usage.
After only 3 years and 9 months of light use, the unit died.
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84% praised the high power capacity, while 16% found it insufficient
I installed this UPS to help my weather station survive power outages. This UPS provides a solid sine wave response to the outage with at least 6 hours of continuous power.
The UPS clicks off during power failures despite having only a 30% load as per its power rating.

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