GYS GYSFLASH 20.12/24 PL Manual De Instrucciones página 11

Charging current 7 / 15 / 20 A :
Selection designed to choose the most suited charging current based on the type and size of the battery
(lead-acid or lithium).
Charging current
Battery capacity
*Lead battery corresponding : A lithium battery has a better starting performance (CCA) than a lead-acid battery. This is why some
lithium battery manufacturers indicate the battery lead equivalent (EqPb) corresponding to the capacity of a lead-acid battery with
the same starting performance. For instance, a LFP battery of 10 Ah will have the same starting performance as a lead-acid battery
of around 30 Ah.
• Lead-acid charging curve :
The GYSflash 20.12/24 PL features a 7 step charging curve designed to ensure optimal charging of lead-acid batteries.
1
U
I
Analysis
<1s
CHARGE
OK
1
Step : Analysis
Analyses the battery state (charge level, polarity inversion,
wrong battery...)
2
Step : Recovery (
3 A - 5 A)
Recovering damaged elements due to a prolonged deep
discharge.
3
Step : Test
Sulfated battery test
4
Step : Desulfation (
Battery desulfation algorithm.
GYSFLASH 20.12/24 PL
12 V
Pb
24 V
12 V
LFP
24 V
2 3
Recovery Test Desulfation
Max 5h <1s Max 12h
3 A - 5 A - 7 A /
15.8 V / 31.6 V)
7 A 15 A
15 60 Ah 60 90 Ah
15 60 Ah 60 240 Ah
7 15 Ah 15 25 Ah
(21 45 Ah EqPb*) (45 75 Ah EqPb*)
7 15 Ah 15 240 Ah
(21 45 Ah EqPb*) (45 690 Ah EqPb*)
4 5
Charge
Max 20h
5
Step : Charge (
Maximum current fast charge to reach 80% charge level.
6
Step : Absorption (
Constant voltage charge to reach 100% charge level.
7
Step : Floating charge (
Maintains battery charge level at its maximum.
20 A
90 300 Ah
-
25 300 Ah
(75 900 Ah EqPb*)
-
6 7
Floating
Absorption
charge
Max 8h No limit
7 A - 15 A - 20 A / 7 A - 15 A)
14.6 V / 29.2 V)
13.6 V / 27.2 V)
EN
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