MARUSON 800VA/450W Line Interactive UPS Battery Backup, AVR, Overload and Overcharge Protection, 860J Surge Protection, Power Management, UL Certified (Power Pro ALCD Series) (800VA/450W)

I purchased the battery backup about week ago. I live in California where power outages happen frequently. Recently, I experienced a power outage which render my electronic devices, TV, and computer useless. I think we can all agree that life nowadays without your electronic devices, TV or computer is not fun.A co-worker who recently purchased this exact unit recommended this product. I was skeptical at first but for a cheap price of around $50 bucks, I said why not. If anything, it’s Amazon and the return process is painless.The package arrived undamaged and in a timely manner. The unit seems sturdy and well built. I tested the unit on my TV and computer. It seems to be an excellent unit if you are looking for a battery backup. There are 6 outlets, which is more than what I needed. I like to have extra outlet just in case there are additional items I need to power on. The battery was easy to use.So far so good. If you experience power outages or need a battery backup for emergencies, this unit will do its job. I will post another review if something goes bad.

This unit was a much better value than what I could get at stores locally, but it croaked out about 14 months later

After a couple of month, it was not working properly. It would not keep its charge and drop at 20% after just 2 minutes . I had to replace it.

This unit does its job OK but the included software didn't allow to 'silence' the audible alarm when it's no longer on the grid. That's a real problem if you are in a sound booth or just want to not hear the fact the power is out. The company did allow me to return it and paid the return shipping as well.

Software is a hog and one unit's USB connection is flaky. Otherwise robust, best in class. I have two for the price and convenient size. They can easily be turned into batteries for an all in one project.

Used in a small business office where it powers a series of outlets installed in the walls. Printer, router, modem, phone, and a PC are powered by it. Run time when power out is around 90 minutes more than sufficient to finish your open work documents and perform a shut down of the applications. I estimate that on stand by for the PC only that it will run without power for 3 to 5 days. there is a fan that seems to run constantly, but the unit is inside a closet, so you only notice it if right on top of it.I would recommend it, delivered in a timely manner at an affordable price

I run several web servers that need dependable power and I bought 3 of these and then 2 more. Thwy offer robust power backup at a price point that gives great value. I will be buying more of them.

Received this item today and it is completely dead out of the box. No response at all to the power button and no power to/from it, no matter what I tried (and no, it didn't just need charging, it's not apparently doing that either). And to make things worse, Amazon will not take returns or refunds on "hazardous" battery items, so I guess I'll have to call the manufacturer to attempt to get a replacement one that might work. Kinda lost faith in it now, and wish I'd bought the other brand one that was similar.