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How much power does a UPS use to recharge?

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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TomR_apc
Crewman
Crewman
0 Likes
4
149

How much power does a UPS use to recharge?

This was originally posted on APC forums on 12/24/2007


Can someone tell me how much power a typical UPS would use while charging. Specifically, I need to know how the charging cycle works once a UPS has kicked in during a power loss and now has had its power supply restored so that it is now in "recharge" mode. I am trying to estimate power usage/needs for an emergency generator. For instance, if we have a power outage and roll out then start up a generator, will the UPCs running off of that generator use the kind of power I think they might? (It looks like a 120V, 12A UPC would charge at 1440 watt load.). Thanks.


Accepted Solutions
TomR_apc
Crewman
Crewman
0 Likes
0
149

How much power does a UPS use to recharge?

This was originally posted on APC forums on 12/24/2007


Can someone tell me how much power a typical UPS would use while charging. Specifically, I need to know how the charging cycle works once a UPS has kicked in during a power loss and now has had its power supply restored so that it is now in "recharge" mode. I am trying to estimate power usage/needs for an emergency generator. For instance, if we have a power outage and roll out then start up a generator, will the UPCs running off of that generator use the kind of power I think they might? (It looks like a 120V, 12A UPC would charge at 1440 watt load.). Thanks.

See Answer In Context

4 Replies 4
TheNotoriousKMP_apc
Sisko
Sisko
0 Likes
0
149

Re: How much power does a UPS use to recharge?

This was originally posted on APC forums on 12/24/2007


Tom,

Can you provide a few base model numbers. The capacity differs based on the UPS, and I should be able to look up the information for you.

TheNotoriousKMP_apc
Sisko
Sisko
0 Likes
0
149

Re: How much power does a UPS use to recharge?

This was originally posted on APC forums on 12/26/2007


The 1400 would use 136W for the battery charger.

Are there any other UPS's where the sepcs can be referenced for either yourself, or the thread starter

Battman_apc
Commander
Commander
0 Likes
0
149

Re: How much power does a UPS use to recharge?

This was originally posted on APC forums on 1/7/2008


According to APC Doc #504, the Matrix UPS charging power is as follows:

1-2 smartcells: 500 watts

3 smartcells or Smartcell XR : 1000 watts
This is a large amount of charging power - which is why one has to keep close eye on the battery health of Smartcells; if they start getting resistive there is enough charging power to totally melt the cells down...resulting in cracked / swelled cases, clear white "acid" and internal corrosion.

Dave

TomR_apc
Crewman
Crewman
0 Likes
0
150

How much power does a UPS use to recharge?

This was originally posted on APC forums on 12/24/2007


Can someone tell me how much power a typical UPS would use while charging. Specifically, I need to know how the charging cycle works once a UPS has kicked in during a power loss and now has had its power supply restored so that it is now in "recharge" mode. I am trying to estimate power usage/needs for an emergency generator. For instance, if we have a power outage and roll out then start up a generator, will the UPCs running off of that generator use the kind of power I think they might? (It looks like a 120V, 12A UPC would charge at 1440 watt load.). Thanks.