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low runtime ES700G

APC UPS for Home and Office Forum

Schneider Electric support forum for our APC offers including Home Office UPS, Surge Protectors, UTS, software and services and associated products designed to share knowledge, installation, and configuration.

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gianry_apc
Crewman
Crewman
0 Likes
5
224

low runtime ES700G

This was originally posted on APC forums on 3/7/2013


I've bought an ES700G ups to use with a NAS. The NAS drain current is more or less 45W (measured with digital tester)but the ups software shows a runtime of 43 minutes at full charge. The Runtime Graph for my ups says 74 minutes for a load of 45 W.

How is it possible ?


Accepted Solutions
gianry_apc
Crewman
Crewman
0 Likes
0
224

Re: low runtime ES700G

This was originally posted on APC forums on 3/8/2013


ok, I've plugged in without any charge and power off. I'll wait till tomorrow so I'll test it again

See Answer In Context

5 Replies 5
BillP
Administrator Administrator
Administrator
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224

Re: low runtime ES700G

This reply was originally posted by Angela on APC forums on 3/7/2013


The estimate you see in the software is just that - an estimate. It generally becomes more accurate as the UPS runs on battery power (which sort of calibrates it) and if the UPS has never been on battery, this could be why.

If it were me and you were super concerned right now to verify it before an actual power outage, I'd remove the cord from the wall on the UPS to cause a blackout and see what you get for run time through the software at that time. The value might jump around at first and then become more accurate and stablilize. If you run the UPS down until it turns off, you could also see how long it lasted but that would cause an unnecessary discharge of your UPS - it should be fine though as long as you don't do that every day. If you do decide to run it all the way down and verify you get closer to 74 minutes, then I'd do it with the data cable disconnected from your computer to avoid any shutdowns of that or any commands for shutting down prematurely coming from the computer so you can time it.

gianry_apc
Crewman
Crewman
0 Likes
0
224

Re: low runtime ES700G

This was originally posted on APC forums on 3/7/2013


OK, i' ll check better as your tips

gianry_apc
Crewman
Crewman
0 Likes
0
224

Re: low runtime ES700G

This was originally posted on APC forums on 3/8/2013


I've checked well. I think the battery has not charged well. as I unplug the cable from the wall the nas software tell me 60% battery remaining.

which is the right procedure to charge the battery ?

BillP
Administrator Administrator
Administrator
0 Likes
0
224

Re: low runtime ES700G

This reply was originally posted by Angela on APC forums on 3/8/2013


When the UPS is first installed, you should let it charge up and not try to run any tests for at least 24 hours. The more you play with it, the longer it will take to fully charge. I guess I had made the assumption we were already passed that but maybe not.

I'd leave it alone for 24 hours at a minimum and just leave it turned on and plugged in or even turned off and plugged in is fine to let it charge and then look into what i mentioned. You probably need to give it at least 16-24 hours from when you just touched it now and noticed it go to 60%.

gianry_apc
Crewman
Crewman
0 Likes
0
225

Re: low runtime ES700G

This was originally posted on APC forums on 3/8/2013


ok, I've plugged in without any charge and power off. I'll wait till tomorrow so I'll test it again