Rekoser

Endurance for frequent charge/discharge cycling.

The RDC12-55 is a 12 V, 55 Ah (10-hour rate) AGM Deep Cycle lead-acid battery from the Rekoser Deep Cycle (AGM) series. It measures 229 × 138 × 208 mm and weighs 16.5 kg, with F11 terminals. It stores 660 Wh and delivers up to 500 A. Endurance for frequent charge/discharge cycling. Typical applications: Solar/Wind Energy Systems and Light Electric Vehicles.

Formerly RKC12-55.

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
Nominal Voltage12 V
Capacity (25ºC)55 Ah (C10)
Energy660 Wh
Weight16.5 kg
TerminalF11
Dimensions229 × 138 × 208 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

RDC12-55

DEEP CYCLE (AGM)

Graphics (25°C)

Constant Discharge Ratings (A) at 25ºC

F.V / Time5MIN10MIN15MIN30MIN1HR3HR5HR10HR20HR
11.10 V86.5A77.5A70.6A49.6A32A14.2A9.53A5.36A2.82A
10.80 V101A86.1A77.5A52.6A33.5A14.7A9.76A5.5A2.89A
10.50 V114A94.7A83.1A55A34.6A15A10A5.61A2.94A
10.20 V131A102A89.5A57A35.4A15.2A10.1A5.69A3A
10.02 V147A112A94.7A59.2A36.2A15.4A10.2A5.76A3.07A
9.60 V165A122A101A61.9A37.2A15.6A10.4A5.83A3.14A

Constant Discharge Ratings (W) at 25ºC

F.V / Time5MIN10MIN15MIN30MIN1HR3HR5HR10HR20HR
11.10 V163W147W135W95.5W62.2W27.9W18.8W10.7W5.67W
10.80 V187W162W147W100W64.3W28.6W19.2W10.9W5.77W
10.50 V209W176W156W104W65.9W28.9W19.4W11W5.83W
10.20 V237W187W166W107W66.8W29.1W19.5W11.1W5.91W
10.02 V263W204W174W110W67.9W29.3W19.6W11.2W6W
9.60 V291W219W183W114W69.3W29.4W19.7W11.3W6.1W
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

RDC12-55

DEEP CYCLE (AGM)

Specifications

Nominal Voltage12 V
Capacity (25ºC)55 Ah (C10)
Energy660 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 Current16.5 A
Max. Discharge Current500 A
Internal Resistance58 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

RDC12-55

DEEP CYCLE (AGM)

Quick Installation Guide

To ensure optimal performance and maximize the lifespan of your REKOSER RDC12-55 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: 229 mm
  • Width: 138 mm
  • Height: 208 mm
  • Total Height: 212 mm
  • Weight: 16.5 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 16.5 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

RDC12-33 (12 V · 33 Ah) · RDC12-65 (12 V · 65 Ah) · See all RDC series models

Specialized Technical Support

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

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