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Battery Constant Values for SU1500I, and SURT10000XLI

APC UPS Data Center & Enterprise Solutions Forum

Schneider Electric support forum for our Data Center and Business Power UPS, UPS Accessories, Software, Services, and associated commercial products designed to share knowledge, installation, and configuration.

Solved
Shahzad.Nim_apc
Cadet
0 Likes
2
140

Battery Constant Values for SU1500I, and SURT10000XLI

This was originally posted on APC forums on 3/21/2011


I have replaced my UPS betteries, but it is not giving full backup. I was told that to change the Battery Constant Values, via HyperTerminal. I set the values to SU1500I = 8C, and SURT10000XLI = 7E. But still it is not functioning properly. Can any one please suggest me the corrent "Battery Constant Values" or any other solution.


Accepted Solutions
Common_Sense_apc
Ensign
Ensign
0 Likes
0
140

Re: Battery Constant Values for SU1500I, and SURT10000XLI

This was originally posted on APC forums on 3/24/2011


Yes, I though that rating ups in the SU range was SU1400, I too have A1 for the SUA1500.

The battery constant only alters the displayed run-time, it does not effect the actual runtime.....however units can shut down immediately where new batteries have been fitted but the constants are that far out of whack due to tampering or old battery performance, from memory this can be worse if the UPS is connected to PC.

The best way to find your true runtime is to connect a fixed load of around 20-50% of the UPS capacity and turn off the incoming power, then compare the actual value with the indicated value and go from there.

CS

See Answer In Context

2 Replies 2
BillP
Administrator Administrator
Administrator
0 Likes
0
140

Re: Battery Constant Values for SU1500I, and SURT10000XLI

This reply was originally posted by Angela on APC forums on 3/21/2011


i found the constant for SUA1500I - which is A1.

were you instructed to do this by APC tech support? generally this procedure is to update the estimated runtime and does not have to do with the amount of actual runtime you receive (depending on settings) - thus maybe something else is going on here?

Common_Sense_apc
Ensign
Ensign
0 Likes
0
141

Re: Battery Constant Values for SU1500I, and SURT10000XLI

This was originally posted on APC forums on 3/24/2011


Yes, I though that rating ups in the SU range was SU1400, I too have A1 for the SUA1500.

The battery constant only alters the displayed run-time, it does not effect the actual runtime.....however units can shut down immediately where new batteries have been fitted but the constants are that far out of whack due to tampering or old battery performance, from memory this can be worse if the UPS is connected to PC.

The best way to find your true runtime is to connect a fixed load of around 20-50% of the UPS capacity and turn off the incoming power, then compare the actual value with the indicated value and go from there.

CS