Battery Charging Reference

Charge Algorithm Graph

Bulk

Absorption

Float

VA

 

 

VG

 

 

VF1

 

 

VF2

 

 

 

TCV

TF

IB

TA

 

 

IH

 

 

 

Time

 

Figure B-1

Three-stage Charging Profile

Charge Algorithm Definitions

Table B-1Battery Defaults

Voltage

 

Flooded (or wet)

Gel

AGM

 

 

 

 

 

VA

 

Absorption Voltage (VDC)

14.4

14.4

14.3

VG

 

Gassing Voltage (VDC)

13.5

13.8

13.45

VF1

 

Float Voltage (VDC)

13.5

13.8

13.45

VF2

 

Float Exit Voltage (VDC)

12.5

12.5

12.5

VE

 

Equalize Voltage (VDC)

15.8

NA

NA

Current

 

Flooded (or wet)

Gel

AGM

 

 

 

 

 

IB

 

Bulk Current (ADC)

20% Ah

20% Ah

20% Ah

IH

 

Absorption Exit Current (ADC)

2% Ah

2% Ah

2% Ah

IE

 

Equalize Current (ADC)

10% Ah

NA

NA

B–6

975-0125-01-01

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Xantrex Technology RS2000 manual Charge Algorithm Graph, Charge Algorithm Definitions, Table B-1Battery Defaults