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How long can UPS power be used? How long can UPS provide power? Under normal circumstances, UPS power can last for about 8 years. If the quality is good, it can last even longer. The power supply time of the UPS battery is usually about 10 minutes. If you want to use it for 3-4 hours, you need to connect an external battery. UPS power supply is a system equipment that is connected to the host and converts DC power into mains power through module circuits such as the host inverter. It is mainly used to provide stable and uninterrupted power supply to a single computer, computer network system, or other power electronic devices.

Working principle of UPS power supply

UPS generally consists of a rectifier, battery, inverter, static switch, and control system. UPS power supply is divided into three types: online, backup, and online interleaved. The editor will briefly introduce the working principle of online UPS.

The working principle of online UPS is that when the power supply of the online UPS is normal in the grid, the voltage input from the grid is filtered by a noise filter to remove high-frequency interference in the grid, and pure AC power can be obtained. It enters the rectifier for rectification and filtering, and the AC power is converted into smooth DC power. It is then divided into two paths. One path enters the charger to charge the battery, and the other path is supplied to the inverter. However, the inverter converts the DC power into 220V, 50Hz AC power for the load to use. When a power outage occurs, the input of AC power has been cut off and the rectifier is no longer working. At this time, the battery discharges and delivers energy to the inverter, which then converts DC power into AC power for use by the load. So, for the load, although the mains power no longer exists, the load has not been shut down due to mains power interruption and can still operate normally.

How long can UPS power be used? How many hours can UPS power be used?

The actual lifespan of large UPS battery packs is generally 5-8 years, and the general manufacturer's warranty is 3 years. The battery price is very high. A regular household UPS uninterruptible power supply takes ten to half an hour. It is recommended to use a 500V power supply for an additional 10-15 minutes after a power outage. Continuous operation of UPS power requires high heat dissipation, and UPS for seven to eight hours or even higher is designed for servers.

The duration of UPS uninterrupted power supply after a power outage is determined by its backup battery. The standard UPS battery is usually equipped for one hour of full load power supply based on the output power of the UPS. You only need to use one computer. The maximum power of a home computer is 300W, and using a 500W device (considering a high startup current) can meet the power supply conditions for two hours. You need to supply power for a long time, and you can increase the backup battery. According to the provided battery capacity, double the battery capacity will result in an additional power supply time of two hours.

How long can UPS provide power?

The UPS power supply consists of two parts: the host and the battery. The duration of delay (power supply) depends on the size of the battery capacity and the weight of the load. The standard configuration battery can only be used for emergency handling of affairs after a power outage for about 5 minutes. Long delay is required, and merchants will calculate and determine based on the specific time of delay, such as 2 hours or 4 hours. Determining how much time to extend refers to the amount of time the battery can provide power when fully loaded. For example, it can provide power for 2 hours at full load and 4 hours at half load.

How long is the service life of UPS power supply?

Normally, the lifespan of a UPS power supply can reach 8-10 years, while a properly maintained UPS power supply can last for more than 15 years. For example, in many data centers in the United States, it has been used for around 20 years and the UPS power supply inside has never been replaced. This is closely related to the core component of the power supply, the battery.

According to the different product quality, the service life of UPS power supplies also varies. High priced and high-quality UPS power supplies can be used for 10 years or even longer. In addition, according to the different storage environments of UPS power supplies, the environment should be dry, and frequent discharge is not allowed. It cannot be left unused for a long time, so it can be used for a longer period of time.

Precautions for using UPS power batteries:

1. When using, the UPS power battery must be fully charged, and the battery wiring should be in good contact. Do not turn on the UPS when the voltage is too low or the battery is not connected, otherwise there may be danger.

2. Before each startup, be sure to turn off all loads carried by the UPS. Be sure to turn on the UPS when the mains power is normal, and wait for the UPS to supply voltage normally before allowing the load to use electricity.

3. Do not turn on UPS when there is no mains power. After the mains power is cut off, it is necessary to handle the work as soon as possible. First, turn off the machine and then turn off the UPS. After turning off the UPS, be sure to wait for more than 10 seconds before turning it on to prevent damage to the UPS.

4. If the UPS battery is operating under mains power, it is recommended to unplug the AC power supply every three months or so to allow the inverter to operate and the battery pack to discharge until its alarm signal becomes short, and then connect the external power supply.

5. The actual load of UPS should be based on 70% of its power. If the actual power is 700W, a UPS with a power of 1000W should be selected. Note that the load should not be a thyristor rectifier circuit or a larger inductive circuit, otherwise danger may occur.

6. When the battery charging time is sufficient and the inverter load is around 70%, if the alarm signal becomes short and urgent after 2-3 months of UPS operation, it indicates that the battery life has reached its limit and must be replaced. Otherwise, not only will it affect work, but it may also cause other adverse consequences. The new battery needs to be charged before it can be used normally.

7. When working at UPS, there must be someone guarding it. When encountering a power outage, the UPS alarm should be promptly turned off, otherwise the battery life may be shortened due to excessive discharge, or the inverter tube may be burned out. Note the above points, UPS generally does not have any problems, and the battery life can reach 3-5 years.

8. Maintaining a suitable ambient temperature: An important factor affecting the lifespan of UPS power batteries is the ambient temperature, and the optimal ambient temperature required by battery manufacturers is generally between 20-25 ℃.

Based on the introduction in the above article, how long can UPS power be used? How long can UPS batteries provide power? I have some understanding of the issues to be aware of when using UPS power supply. UPS power supply is a widely used power supply nowadays, and it is important to choose the right UPS manufacturer. UPS products have won unanimous praise from users in various industries for their stable performance and excellent technology, and are a reliable new high-tech product in the lithium battery UPS industry.

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