RDC12-75
SERIES RDC · DEEP CYCLE (AGM)Endurance for frequent charge/discharge cycling.
The RDC12-75 is a 12 V, 75 Ah (10-hour rate) AGM Deep Cycle lead-acid battery from the Rekoser Deep Cycle (AGM) series. It measures 260 × 169 × 208 mm and weighs 22.5 kg, with F11 terminals. It stores 900 Wh and delivers up to 675 A. Endurance for frequent charge/discharge cycling. Typical applications: Solar/Wind Energy Systems and Light Electric Vehicles.
Formerly RKC12-75.
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 Voltage | 12 V |
|---|---|
| Capacity (25ºC) | 75 Ah (C10) |
| Energy | 900 Wh |
| Weight | 22.5 kg |
| Terminal | F11 |
| Dimensions | 260 × 169 × 208 mm |
Main Applications
Quality Standards
RDC12-75
DEEP CYCLE (AGM)Graphics (25°C)
Constant Discharge Ratings (A) at 25ºC
| F.V / Time | 5MIN | 10MIN | 15MIN | 30MIN | 1HR | 3HR | 5HR | 10HR | 20HR |
|---|---|---|---|---|---|---|---|---|---|
| 11.10 V | 118A | 106A | 96A | 367A | 743A | 419A | 513A | 57.3A | 13.8A |
| 10.80 V | 138A | 117A | 106A | 71.7A | 45.7A | 20A | 13.3A | 7.5A | 3.94A |
| 10.50 V | 156A | 129A | 113A | 75A | 47.2A | 20.4A | 13.6A | 7.65A | 4.01A |
| 10.20 V | 179A | 139A | 122A | 77.7A | 48.2A | 20.8A | 13.8A | 7.76A | 4.09A |
| 10.02 V | 201A | 153A | 129A | 80.7A | 49.4A | 21A | 13.9A | 7.85A | 4.19A |
| 9.60 V | 225A | 166A | 137A | 84.5A | 50.7A | 21.3A | 14.1A | 7.95A | 4.28A |
Constant Discharge Ratings (W) at 25ºC
| F.V / Time | 5MIN | 10MIN | 15MIN | 30MIN | 1HR | 3HR | 5HR | 10HR | 20HR |
|---|---|---|---|---|---|---|---|---|---|
| 11.10 V | 222W | 201W | 184W | 130W | 84.8W | 38.1W | 25.7W | 14.6W | 7.73W |
| 10.80 V | 255W | 220W | 200W | 137W | 87.7W | 39W | 26.1W | 14.9W | 7.86W |
| 10.50 V | 285W | 240W | 212W | 142W | 89.9W | 39.4W | 26.5W | 15.1W | 7.95W |
| 10.20 V | 323W | 255W | 226W | 145W | 91W | 39.7W | 26.6W | 15.2W | 8.06W |
| 10.02 V | 358W | 278W | 237W | 150W | 92.6W | 39.9W | 26.7W | 15.3W | 8.18W |
| 9.60 V | 396W | 298W | 250W | 156W | 94.5W | 40.1W | 26.9W | 15.4W | 8.31W |
RDC12-75
DEEP CYCLE (AGM)Specifications
| Nominal Voltage | 12 V |
|---|---|
| Capacity (25ºC) | 75 Ah (C10) |
| Energy | 900 Wh |
| Cell number | 6 |
| 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 Current | 22.4 A |
| Max. Discharge Current | 675 A |
| Internal Resistance | 55 mΩ |
| Self Discharge | 3 % of capacity per month at 20 °C |
| Capacity Affected by Temperature | 40 °C: 102 %, 25 °C: 100 %, 0 °C: 85 %, -15 °C: 65 % |
Construction
| Component | Material |
|---|---|
| Container | ABS (Flame Retardant Optional) |
| Cover | ABS (Flame Retardant Optional) |
| Electrolyte | Sulphuric acid |
| Negative | Lead |
| Positive | Lead dioxide |
| Safety Valve | Rubber |
| Sealant | Epoxy Resin |
| Separator | Fibre Glass |
| Terminal | Copper |
RDC12-75
DEEP CYCLE (AGM)Quick Installation Guide
To ensure optimal performance and maximize the lifespan of your REKOSER RDC12-75 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: 260 mm
- Width: 169 mm
- Height: 208 mm
- Total Height: 212 mm
- Weight: 22.5 kg
2. Terminal Configuration (F11)
- Terminals: Ensure your system's connectors match the F11 type to prevent electrical arcing.
- Polarity: Check the positive and negative markings on the battery before connecting, to prevent short circuits.
3. Charge Parameters
- Cycle use: 14.6-14.8V (-30mV/C), max. Current 2.1A
- Float use: 13.6-13.8V (-20mV/C)
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
RDC12-65 (12 V · 65 Ah) · RDC12-80 (12 V · 80 Ah) · See all RDC series models
The same battery in other series: RFC12-75 (RFC Series – Front Terminal Deep Cycle)