RKS12-50

OPZS

Critical Power Without Compromise

Rekoser OPzS battery. The OPzS series is a traditional tubular plate flooded battery which offers 20+ years design life according to the standard IEC60896-11.With a new design and technical improvement, it offers maximum efficiency and reliability for the widest variety of applications. This series is highly suited for all standby power applications that require the highest levels of reliability and security.

Main Advantages

Nominal Voltage12V
Capacity (25ºC) (20HR)50Ah @ 10HR | 54Ah @ 20HR | 67.5 @ 100HR
Weight (kgs)with electrolyte: 20 kg
TerminalF11
Dimensions (mm)260x168x211
12+
LONG LIFE DESIGN
EUROBAT
* EUROBAT CLASSIFICATION.
YEARS
WARRANTY
* Subject to charge and temperature parameters stipulated in this datasheet.

Main Applications

Quality Standards

RKS12-50

OPZS

Graphics (25°C)

Constant Discharge Ratings (A) at 25ºC

F.V / Time 15MIN 30MIN 1HR 3HR 5HR 10HR 20HR
10.80 V45.6A36.6A25.5A12.4A8.73A5.0A2.7A
10.50 V48.1A38.0A26.3A12.8A9.0A5.04A2.72A
10.20 V49.8A39.0A26.9A12.8A9.06A5.07A2.74A
9.90 V51.7A40.2A27.6A13.0A9.19A5.08A2.74A
9.60 V53.0A41.0A28.0A13.1A9.24A5.09A2.75A

Constant Discharge Ratings (W) at 25ºC

F.V / Time 15MIN 30MIN 1HR 3HR 5HR 10HR 20HR
10.80 V83.4W68.5W48.5W24.2W17.2W10.0W5.4W
10.50 V88.1W71.1W50.1W25.0W17.7W10.0W5.44W
10.20 V91.2W72.8W51.1W25.2W17.9W10.1W5.47W
9.90 V94.7W75.1W52.4W25.5W18.1W10.1W5.49W
9.60 V97.0W76.7W53.2W25.7W18.2W10.1W5.5W
CHARGE CHARACTERISTICS flooded_battery_2v_1200ah_rks2-1200_graf1.png
DISCHARGE CHARACTERISTIC 25oC flooded_battery_2v_1200ah_rks2-1200_graf2.png
SELF DISCHARGE CHARACTERISTICS flooded_battery_2v_1200ah_rks2-1200_graf3.png
FLOAT VOLTAGE VS FLOAT LIFE flooded_battery_rks_graf4.png
CYCLE DISCHARGE VOLTAGE CURVE (Test standard BS EN 61427:2005) flooded_battery_2v_1200ah_rks2-1200_graf5.png

RKS12-50

OPZS

Specifications

Voltage12V
Capacity (25ºC)50Ah @ 10HR | 54Ah @ 20HR | 67.5 @ 100HR
Cell number6 cells
Charge Voltage (25°C)Cycle - 14.1-14.4V (-5mV / o C/ cell)
Float - 13.2-13.5V (-3mV / o C/ cell)
Max. Charge Current240A
Max. Charge Current2500A
Internal ResistanceApprox. 0.35mOhm (fully charged @ 20°C)
Self Discharge3% of capacity declined per month at 20°C
Capacity Affected by Temperature40°C: 102%, 25°C: 100%, 0°C: 85%, -15°C: 65%

Construction

ComponentMaterial
PositiveLead dioxide
NegativeLead
ContainerSAN
CoverABS (Flame Retardant Optional)
SealantEpoxy Resin
Safety ValveRubber
TerminalCopper
SeparatorFibre Glass
ElectrolyteSulphuric acid

RKS12-50

OPZS

  • Length: 260 mm
  • Width: 168 mm
  • Height: 211 mm
  • Weight (kgs): with electrolyte: 20 kg

Terminales F11

  • Cycle - 14.1-14.4V (-5mV / o C/ cell)
  • Float - 13.2-13.5V (-3mV / o C/ cell)

Specialized Technical Support

Rekoser offers consulting services for the dimensioning of critical systems, racks, battery monitoring.

https://rekoser.com | +34 958 04 29 73

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