There is time that power outage causes a loss of files and information you are working on. Having UPS (an abbreviation stands for Uninterruptible Power Supply) can help protecting your data by supplying power a while longer so you can backup your data before the power fails to work. However, any electronic devices have its lifetime; it is wise to make sure if your UPS still works properly or not. Here are five simple steps to check your
UPS battery backup.
First of all, plug AC cable of your UPS into power outlet and turn on the power. If the power light is lit, it means your UPS still works as it supposes to. If not, then that means your UPS battery backup is damaged and may not charge the battery as usual.
