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apc battery calibration constants 2023

apc ups calibration constants 2024

APC ups calibration constants 2024

APC calibration constants is a process to set ups at its default constants values by serial port. today we will learn, how to perform APC ups serial communication process and constant battery commands.

why do we need APC ups calibration?

you know our UPS battery life is a maximum of 3 years and then we will need to replace it. So when we replace batteries we need to calibrate our ups battery constants to their default values. if you do not calibrate your ups then your backup is at risk, without contacts ups can’t read the battery voltages exactly.

how to perform serial commands?

  • connect the ups with the laptop through a serial cable (how to make APC serial cable DIY).
  • open tera term software, select the com port, set the speed to 2400, and click on the new setting.
  • Press “shift+y” from the keyboard ups should reply “SM”
  • Press “1” and after three seconds again press “1” Ups should answer “PROG”
  • Press “0” (zero) to enter battery calibration mode ups should respond with the current saved battery constant value, check if this is a required value if not then press the “+” or “-” buttons on the keyboard to reach the value needed according the battery constants list.
  • Press “shift+R” to close the calibration. (Should reply “Bye”)

also read about apc ups:

APC calibration software 2024

how to make APC serial cable DIY

APC runtime calibration course

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how do verify?

  1. repeat 1st two commands of SM and PROG then press 0 ups should respond with the saved value of the constant.

APC battery calibration constants 2024

APC ups battery constants list:

Apc ups battery constants (SU series)

Model no

Battery constants

SU250
B1
SU400
9F
SU420I
85
SU420SI
8C
SU600
9F
SU620I
8A
SU900
9F
SU1250
9F
SU2000
9F
SU450,SU700
96
SU450XL,SU700XL
9F
SU700RMI2U
92
SU1000
A0
SU1000XL
9A
SU1000RMI2U
C7
SU1400
9A
SU1400RMI2U
A3
SU1400RM
89
SU1400R2IBX135
A3
SU1400RMXLI3U
81
SU1400XL, XLI,RM
80
SU2200I
AF
SU2200XL,3000
AF
SU3000RMXLI3UBLK
AF
SU5000I WHITE
91
 

APC BATTERY CONSTANTS (SUA SERIES)

 
MODEL NO
BATTERY CONSTANTS
SUA750I
82
SUA750XLI
86
SUA750RMI2U
82
SUA1000XLI
7F
SUA1000I
BC
SUA1500I
A1
SUA1500RMI2U
A1
SUA2200I
B3
SUA2200RMI2U
81
SUA2200XLI
7F
SUA3000RMI2U
70
SUA3000RMXLI3U
89
 

APC UPS BATTERY CONSTANTS(SURT SERIES)

 
SURT1000XLI
B3
SURT2000XLI
75
SURT3000XLI
CC
SURT5000XLI
86
SURT6000XLI
7E
SURT7500XLI
97
SURT8000XLI
8F
SURT10000XLI
AB
 

APC UPS BATTERY CONSTANTS(OTHERS)

 
SUOL1000I
A6
SUOL2000XL
75
SUM1500RMXLI2U
A5
SUM3000RMXLI2U
A5
BP420SI
8C
BP650SI
99
POWER STACK 250
B2
POWERSTACK 450
99
SC250RMI1U
B3
SC420I
8C
SC620I
99
SC1000I
94
SC1500I
8F
MATRIX 3000,5000
B0

2 thoughts on “apc ups calibration constants 2024”

  1. Hi!

    I have a question, hope you can help me:
    So when I connected via serial, shift+y 1…1 SM/PROG mode. When push the 0 button i have a following message:
    ‘0A’ if i would like to check the batteries (4, 5, 6 , 0) then pus the +/- buttons there is the following messages: NA
    NA
    NA
    0C
    NA
    NA
    NA
    NA
    NA
    239.0
    NA
    NA
    NA
    NA
    Have you any idea?
    Many thanks!

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