Rekoser

Endurance for frequent charge/discharge cycling.

The RDC12-33 is a 12 V, 33 Ah (10-hour rate) AGM Deep Cycle lead-acid battery from the Rekoser Deep Cycle (AGM) series. It measures 195 × 130 × 155 mm and weighs 10.2 kg, with F11 terminals. It stores 396 Wh and delivers up to 400 A. Endurance for frequent charge/discharge cycling. Typical applications: Solar/Wind Energy Systems and Light Electric Vehicles.

Formerly RKC12-33.

Main Advantages

  • Cycling: Optimized for more than 400 cycles at 80% DOD
  • Materials: Specialized active material and thick plates
  • Versatility: Suitable for both motive and stationary use
  • Efficiency: High recharge acceptance
RDC12-33 – 12 V 33 Ah AGM Deep Cycle battery
Nominal Voltage12 V
Capacity (25ºC)33 Ah (C10)
Energy396 Wh
Weight10.2 kg
TerminalF11
Dimensions195 × 130 × 155 mm
12
YEARS
LONG LIFE DESIGN
* EUROBAT CLASSIFICATION: 10-12 Years (High Performance).
2
YEARS
WARRANTY
* Subject to charge and temperature parameters stipulated in this datasheet.

Main Applications

Solar/Wind Energy Systems
Light Electric Vehicles

Quality Standards

CE CERTIFIEDISO 9001 / 14001IEC 60896-21/22JIS C8704GB/T19639
Rekoser

RDC12-33

DEEP CYCLE (AGM)

Graphics (25°C)

Constant Discharge Ratings (A) at 25ºC

F.V / Time5MIN10MIN15MIN30MIN1HR3HR5HR10HR20HR
11.10 V87.4A68.4A58A35.6A21.2A9.2A5.93A3.27A1.67A
10.80 V98.8A72.6A59.5A36.4A21.6A9.32A5.99A3.31A1.71A
10.50 V110A76.8A60.9A37A22A9.46A6.06A3.35A1.75A
10.20 V121A80.4A62.5A37.9A22.4A9.56A6.14A3.39A1.79A
10.02 V130A84A64.1A38.6A22.8A9.64A6.22A3.43A1.82A
9.60 V140A87A66.4A39.5A23A9.74A6.29A3.47A1.86A

Constant Discharge Ratings (W) at 25ºC

F.V / Time5MIN10MIN15MIN30MIN1HR3HR5HR10HR20HR
11.10 V165W130W111W68.6W41.2W17.9W11.5W6.53W3.35W
10.80 V183W136W112W69.3W41.4W18W11.6W6.57W3.42W
10.50 V202W143W114W70W41.9W18.1W11.7W6.6W3.47W
10.20 V218W148W116W71W42.3W18.2W11.8W6.63W3.53W
10.02 V232W153W118W71.7W42.7W18.3W11.9W6.66W3.56W
9.60 V247W156W121W73W42.9W18.4W12W6.7W3.6W
CHARGE CHARACTERISTICS CHARGE CHARACTERISTICS
DISCHARGE CHARACTERISTIC 25oC DISCHARGE CHARACTERISTIC 25oC
SELF DISCHARGE CHARACTERISTICS SELF DISCHARGE CHARACTERISTICS
LIFE CHARACTERISTICS OF CYCLIC USE LIFE CHARACTERISTICS OF CYCLIC USE
Rekoser

RDC12-33

DEEP CYCLE (AGM)

Specifications

Nominal Voltage12 V
Capacity (25ºC)33 Ah (C10)
Energy396 Wh
Cell number6
Charge Voltage (25°C)Cycle use: 14.6-14.8V (-30mV/C), max. Current 2.1A
Float use: 13.6-13.8V (-20mV/C)
Max. Charge Current10 A
Max. Discharge Current400 A
Internal Resistance25 mΩ
Self Discharge3 % of capacity per month at 20 °C
Capacity Affected by Temperature40 °C: 102 %, 25 °C: 100 %, 0 °C: 85 %, -15 °C: 65 %

Construction

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

RDC12-33

DEEP CYCLE (AGM)

Quick Installation Guide

To ensure optimal performance and maximize the lifespan of your REKOSER RDC12-33 battery, follow these assembly and connection guidelines.

1. Space and Dimension Verification

Before proceeding, ensure the receptacle or cabinet of your equipment complies with the unit's physical measurements:

  • Length: 195 mm
  • Width: 130 mm
  • Height: 155 mm
  • Total Height: 168 mm
  • Weight: 10.2 kg

2. Terminal Configuration (F11)

3. Charge Parameters

  • Cycle use: 14.6-14.8V (-30mV/C), max. Current 2.1A
  • Float use: 13.6-13.8V (-20mV/C)
Maximum Current: Do not exceed 10 A of charge.

4. Safety and Storage

Maintenance: Sealed AGM technology, maintenance-free and leak-proof.

Cycling: Recharge fully after every discharge; never leave it discharged.

Position: Can be installed in any orientation, except inverted.

Storage: Store charged, in a cool and dry place, and recharge periodically.

Nearby models

RDC12-12 (12 V · 12 Ah) · RDC12-55 (12 V · 55 Ah) · See all RDC series models

Specialized Technical Support

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

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