Technical data vs Technology
Features
VRLA Batteries
Stationnary Batteries
VRLA – AGM
VRLA – GEL
Flat Plates – Wet
Tubular Plates – Wet
Flat Plates
Flat Plates
Tubular Plates
Floating voltage vs electrolyte density
density 1,280 to 1.300
2,27V
2,27V
2,23V
density 1,250
2,23V
density 1,240
2,21V
density 1,215
2,19V
Thermal compensation factors
Floating
+- 3mVolts / Cell / °C
Cycling
+- 5mVolts / Cell / °C
Max voltage during absorption charge pahse – Fast charge – Cycling application
2,45 V/Cell
2,40 V/Cell
2,45V/cell
First charge Voltage Boost for Dry Charged Batteries
2 hours max
2,75 V/Cell
I max fast charge
0,3 C10
0,25 C10
0,3 C10
Safe voltage vs discharge time
0 à 1 hour
1,60 V/Cell
1 to 3 hours
1,65 V/Cell
3 to 5 hours
1,70 V/Cell
1,70 V/Cell
1,70 V/Cell
5 to 20 hours
1,75 V/Cell
1,80 V/Cell
1,80 V/Cell
1,80 V/Cell
1,80 V/Cell
more than 20 hours
1,80 V/Cell
1,80 V/Cell
1,80 V/Cell
1,80 V/Cell
1,80 V/Cell
Operating T° of discharge
-20°C à +60°c
Operating T° of charge
-15°C to +50°C
-10°C to +50°C
-15°C to +50°C
Number of cycles – T°= 20°C
Rates of discharge 0,2C and charge 0,1C
DOD 80%
250 Cycles
450 Cycles
1500 Cycles
400 Cycles
1300 Cycles
DOD 50%
400 Cycles
780 Cycles
2400 Cycles
720 Cycles
2500 Cycles
DOD 20%
1350 Cycles
1800 Cycles
5000 Cycles
1800 Cycles
5000 Cycles
Self-discharge rate
1,2% at 0 °C – 1,5% at 10 °C – 1,5% to 2,5% at 20 °C