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4.3 Charge algorithm
4.3.1. Overview
Several preset charge curves and one user adjustable curve are available, see table
below.
The DEFAULT-setting is algorithm nr 2.
Make sure the charge algorithm is correct for the battery-type that must be
charged. If necessary, contact the battery supplier for the appropriate
battery-settings. Wrong battery settings can cause serious damage to the
batteries.
Algorithm
number
Description
Absorption
and max.
absorption
time
Float
Equalisation
(Default: off)
Temperature
compensation
V / h
V
maxV@% of Inom
mV/°C
1
Gel Victron long life (OPzV)
Gel exide A600 (OPzV)
Gel MK
56,4V / 8h
55,2V
63,6V@8% max 1h
-65 mV/°C
(-2,7 mV/°C per
cell)
2
Default setting
Gel Victron deep discharge
Gel Exide A200
AGM Victron deep discharge
Stationary tubular plate (OPzS)
57,6V / 8h
55,2V
64,8V@8% max 1h -65 mV/°C
3
AGM spiral cell
Rolls AGM
58,8V / 8h
55,2V
66,0V@8% max 1h -65 mV/°C
4
PzS tubular plate traction
batteries or
OPzS batteries in cyclic mode 1
56,4V / 4h
55,2V
63,6V@25% max
4h
-65 mV/°C
5
PzS tubular plate traction
batteries or
OPzS batteries in cyclic mode 2
57,6V / 4h
55,2V
64,8V@25% max
4h
-65 mV/°C
6
PzS tubular plate traction
batteries or
OPzS batteries in cyclic mode 3
60,0V / 4h
55,2V
67,2V@25% max
4h
-65 mV/°C
7
Lithium Iron Phosphate
(
LiFePo
4
) batteries
56,8V / 2h
53,4V
n. a.
0
8 (USr)
Adjustable
(default 57,6V)
Adjustable
(default
55,2V)
Adjustable
(default Vabs.+
7,2V)
@25% max 4hrs
Adjustable
(default -65
mV/°C)
do not equalize VRLA Gel and AGM batteries
Table 3: Charge algorithm options. All voltages shown are for a 48V system.
