APCSmart-UPS 500VA Lithium Ion UPS with SmartConnect, SCL500RM1UC, Line Interactive, Sine Wave UPS, Short-Depth 120V Uninterruptible Power Supply

I bought this for a network equipment rack (shallow depth) in a small office. It doesn't have any kind of built in HTTP server to manage it via the web like it should so it ends up being kind of like an IoT device - you can only see the status and configure alerts through an APC website. Not the greatest but it was OK. However, today I got the email below which caused me to write this 1 star review. Basically, they are going to further restrict the lame functionality it has now in an effort to charge me more, assuming this thing even lasts past the warranty period.From APC:Thank you for being a valued APC Smart-UPS web portal customer. Out-of-box remote UPS monitoring via the SmartConnect Ethernet port is included with the purchase of every new Smart-UPS device tied to warranty. On the Standard plan, you have the following great benefits while you are under warranty:1. Remote UPS status monitoring2. Configurable power event notifications3. Remote UPS self-test and audible alarm diagnostics4. One-click remote UPS firmware upgradeWhat's changing?APC is introducing optional cloud service plans for customers who require more advanced features or for Smart-UPS that are no longer under warranty.New Advanced planThe Advanced plan introduces remote UPS outlet group power cycling for devices in locations that are hard to reach or have no IT staff on site. Remote outlet group reboot can be enabled for any Smart-UPS by purchasing the Advanced plan.What does this mean for you?Once your UPS warranty expires, your Smart-UPS will move to a Basic plan. You can continue to log into the web portal and view your UPS status but will no longer receive email notifications, remote UPS firmware updates or access to remote diagnostics. To restore your current features, you can purchase the Standard plan or purchase the Advanced plan if you also require remote outlet group reboot

Others have reported longevity issues and I will certainly update if I encounter any issues. For now, both units are doing their job. Unit 1 is powering a 24 port POE switch for 2 APs, 3 cameras, and some non-POE connectivity. Unit 2 is powering a blu-ray player, and two came consoles (used 1 at a time). These use cases are pretty low wattage so I doubt I'll outrun the power output of the UPSs.Comes with all parts needed for both desktop and rack mount installation. The cage nuts are awful, so bring your own if your planning on racking this. At this price point, Lithium batteries or not, I'd like to see an on device screen and controls. Instead, configuration has to be done through the free power cute software available from APCs website. It does work on Windows 11 for those who are curious. Config really isn't necessary as the out of the box defaults are usable. The only changes I made were to set a slightly wider (higher) switch over voltage and to silence the alarms.At the time of writing the web based monitoring is still included free. This does require a hard wire ethernet connection. This is nice as you receive email notifications for any issues (system events, battery status changes, network communication failures). You can also log in any time to check real-time status and run manual self-tests. This does not enable network management of connected devices (graceful shutdown) but the USB port does allow for a single device to receive a shutdown command as you would expect.Overall I'm happy with these and would purchase more depending on long term reliability. As long as your use case is within the VA rating with some safety margin, I would recommend for you as well.

This product is very sensitive and problematic. The device died suddenly, just one week after the warranty limit, 33 months after the purchase. Sadly, the warranty is for 36 months, but from the manufacturing date, not when you get it. So, all the storage time before you get it, the warranty is running, and it is not honored by APC. It is time to start looking for other brands.

Pretty much a UPS with Lithium-ion battery and online connectivity. Battery lifespan is supposed to be longer but only time will tell in years to come.The Smart aspect is being able to connect to your online APC account which registers any events that may occur and notifies you via email. You can also login to the portal for more information. If power goes you still get notification as the APC server pulse checks with the device.It has a USB data port for use with PowerChute or connecting to a device like a NAS. I have it connected to my NAS so that when power goes, the NAS will shutdown at certain %.It's lighter than the normal chemical based UPS and the battery is pretty small. As it's rack mountable 1u, I have it in my home rack. It comes with the ears as depicted in the picture.As the power is only 400W, I have this dedicated to my NAS. It would be nice if they would include a larger capacity battery on this model. Hopefully, they might release a larger capacity batter for it. The higher models have larger capacities but they are 2U and significantly heavier.This model does sine wave whereas the higher models do pure sine wave.All in all great UPS, good price point. Hopefully they make it greater with more capacity at the same price point.I am buying another one for another device. I would like to get a 3rd unit for a PoE switch but the 400W runtime is too short for what I require.

Unfortunately, I have to agree with the negative reviews. Mine worked for just over 4 years and then started dropping the load immediately. After a few more power failures, the UPS no longer even powers on. I guess the good thing is they have a 5 year warranty, but the hassle of pulling them out and replacing is disappointing.