Switch the battery, not the unit: Like all electronics, a UPS gained’t very last permanently. But ideally, try to be able to exchange the battery quite a few occasions ahead of you have to substitute all the device.
We had been ready to plug in 738 watts’ value of devices—two lamps, a admirer, ten halogen bulbs, and also a KitchenAid mixer established to medium power—in advance of its battery finally cried uncle and shut down.
That’s a decreased peak output than what we got from the vast majority of UPS units we tested, but it surely ought to even now be plenty of to power a desktop Laptop, a residence modem, a Wi-Fi router, an exterior hard drive, and maybe several compact devices.
Just how much runtime do you have to assistance your attached machines? That depends on what you want to backup using your UPS. Runtime refers to the length of time a UPS can electrical power its attached machines from the function of a power disruption.
It requires no setup Besides plugging it in, and it comes along with its possess software. It has a user-replaceable battery and involves computerized voltage regulation (an important characteristic that some much less expensive designs lack), which can prolong the overall lifespan from the battery and aid protect against harm to delicate electronics.
Even so, we determined not to really make แบตเตอรี่เครื่องสำรองไฟคืออะไร it a choose mainly because it carried out improperly in our surge assessments, permitting by means of just 593.2 volts from the neutral line but leaving its other two energy circuit wires unprotected. It’s also high priced, costing $280 at แบตเตอรี่เครื่องสำรองไฟ this creating.
The CyberPower CP1500AVRLCD3 is on the par with our enhance select in most respects, and it done marginally better within our operate-time assessments, retaining a 300 W load jogging for 21.
It doesn’t have telephone ports, but that’s accurate of most versions we examined, like our other picks.
Consumer-replaceable battery: We analyzed only People designs by using a person-replaceable battery (video clip), which lets you invest only $thirty to $sixty on a fresh battery Down the road as an alternative to being forced to acquire an entire new UPS.
You must by no means plug a UPS into an extension cord, as doing so is a fire possibility. We necessary each design’s wire to get five feet or for a longer period.
It keeps gadgets driven prolonged plenty of that you should shut them down properly. If you merely choose to keep the Wi-Fi community run all through a blackout, this UPS can perform so for approximately one.5 hrs (that’s how แบตเตอรี่เครื่องสำรองไฟคืออะไร long it lasted with our 20 W fan).
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I’m a senior employees author at Wirecutter masking batteries, chargers, and charging know-how. I’ve been a science journalist for greater than ten years, masking lots of subject areas from particle physics to satellite remote sensing.
It's got a handy display. In contrast to our other picks, the CP1350AVRLCD3 has a backlit monitor, in order to quickly monitor exactly what the UPS is executing at a look.