expired Posted by Praetas • Dec 23, 2024
Dec 23, 2024 6:52 PM
Item 1 of 3
Item 1 of 3
expired Posted by Praetas • Dec 23, 2024
Dec 23, 2024 6:52 PM
7-Outlet APC BE670M1 675VA/360W UPS Battery Backup/Surge Protector
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- This is a single computer / multiple small devices Battery Backup, for about 5-10min runtime
- If you have an automatic generator, this is all you need is those 5min for the generator to kick in and keep things stable in the 30sec-2min cutover
- This will happily run an ISP modem/router for 30min+
- This is NOT enough for a desktop + Unifi setup (DM, PoE Switch with draw and APs), you want at least 1000Va if you want 5min, 1500Va if you want 15min+, very roughly. I recommend using a runtime calculator if you need specifics
- If your device beeps occasionally or the battery "doesn't last long, like a year", it's likely because either A) a bad battery, or B) frequent draws on the battery either through unstable utility power or overloading the draw of the device has worn the battery down faster than it should (don't plug vacuums/heaters/fans/etc into battery backups, folks)
- This is an EOL model but they will support all existing devices through their warranty, and APC is historically good at this - they are getting out of the low-end market though
Hope this helps people!
Discontinued on: Sep 30, 2024
https://www.apc.com/us/en/product...s-2-surge/
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I would pass on this go for the non-discontinued BE600M1, which as far as I can tell is almost identical. I'm pretty sure the replacement batteries will be the same once the time comes.
- This is a single computer / multiple small devices Battery Backup, for about 5-10min runtime
- If you have an automatic generator, this is all you need is those 5min for the generator to kick in and keep things stable in the 30sec-2min cutover
- This will happily run an ISP modem/router for 30min+
- This is NOT enough for a desktop + Unifi setup (DM, PoE Switch with draw and APs), you want at least 1000Va if you want 5min, 1500Va if you want 15min+, very roughly. I recommend using a runtime calculator if you need specifics
- If your device beeps occasionally or the battery "doesn't last long, like a year", it's likely because either A) a bad battery, or B) frequent draws on the battery either through unstable utility power or overloading the draw of the device has worn the battery down faster than it should (don't plug vacuums/heaters/fans/etc into battery backups, folks)
- This is an EOL model but they will support all existing devices through their warranty, and APC is historically good at this - they are getting out of the low-end market though
Hope this helps people!
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If you could at least see what layer to resume at later you could cut the object etc.
So I hacked the UPS by adding a cheap car battery in parallel.
Get a lithium ion powerbank with 12v output, and Y cable. There is a model Amazon made for modem router. It can also charge phones.
It's a lot more durable than a UPS, it's 10x smaller, can fit in a pocket, and last 2x longer. That's what I have been using.
You can use this UPS for something else
Also for people wondering APC does a real good job of telling you the run time of something on their ups. https://www.apc.com/us/en/product...s-2-surge/ Scroll to the bottom of the page and it will give you an estimate based upon the wattage.
Finally one thing to note about run times. For the longest run time you want the smallest inverter with the biggest battery. Typically the larger units have bigger batteries which is why they last longer. Just don't go out and buy a 1500w unit to power a 5w modem. The conversion inefficiency of the larger inverter will be vastly larger than the draw of the modem.
For example
https://www.apc.com/us/en/product...rk-backup/
This unit backed up my parents modem and telephone and has a battery 1/2 the size of the apc unit above but gets around the same run time of 1.5 to 2 hours.
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