Can a UPS Really Stabilize Voltage?
When the home voltage is normal, a UPS (Uninterruptible Power Supply) "cleans" the incoming 220V AC power before supplying it to connected devices. In this case, it does function somewhat like a voltage stabilizer while also charging its built-in battery. Take Haidier's UPS model ET1K, for example—it not only stabilizes voltage during fluctuations but also provides backup power via its lithium battery during outages.
Can It Fully Replace a Voltage Stabilizer?
While a UPS can regulate voltage, it’s not exactly the same as a dedicated stabilizer. For instance, high-end online UPS units can maintain stable output even during severe voltage fluctuations, whereas cheaper standby UPS models offer minimal voltage regulation. Some people even remove the battery from a UPS and use it solely as a stabilizer—it might work when power is available, but it becomes useless during a blackout, which isn’t cost-effective.
When Can a UPS Act as a Stabilizer?
If your home experiences only minor voltage fluctuations and you also need backup power during outages, a battery-equipped UPS like Haidier’s can serve as a temporary solution. However, for sensitive equipment like servers or precision instruments, it’s better to invest in a professional voltage stabilizer—or, if budget allows, opt for an online UPS for superior protection.