ROS2-350
SERIES ROS · OPZS (FLOODED)The energy tank. 20+ years of proven service life.
The ROS2-350 is a 2 V, 350 Ah (10-hour rate) OPzS lead-acid battery from the Rekoser OPzS (Flooded) series. It measures 124 × 206 × 470 mm and weighs 20 kg, with F10 terminals. It stores 700 Wh and delivers up to 1500 A. The energy tank. 20+ years of proven service life. Typical applications: Solar/Wind Energy Systems, Electrical Substations, Telecommunications and Base Stations and Railway Signaling and Infrastructure.
Formerly RKS2-350.
Main Advantages
- Technology: Vented tubular plates with liquid electrolyte
- Maintenance: Periodic topping up with distilled water required
- Durability: Over 20 years proven design life at 20ºC
- Control: Transparent container for easy electrolyte level monitoring
| Nominal Voltage | 2 V |
|---|---|
| Capacity (25ºC) | 350 Ah (C10) |
| Energy | 700 Wh |
| Weight | 20 kg |
| Terminal | F10 |
| Dimensions | 124 × 206 × 470 mm |
Main Applications
Quality Standards
ROS2-350
OPZS (FLOODED)Graphics (25°C)
Constant Discharge Ratings (A) at 25ºC
| F.V / Time | 5MIN | 10MIN | 30MIN | 1HR | 3HR | 5HR | 10HR | 20HR | 100HR |
|---|---|---|---|---|---|---|---|---|---|
| 1.90 V | 140A | 127A | 113A | 105A | 66.2A | 48.7A | 31.9A | 17.5A | 4.45A |
| 1.85 V | 151A | 145A | 141A | 119A | 73.2A | 57.1A | 33.3A | 18.3A | 4.73A |
| 1.80 V | 241A | 231A | 195A | 153A | 89.6A | 60.6A | 35A | 19.3A | 4.9A |
| 1.75 V | 289A | 277A | 223A | 170A | 92.8A | 62.3A | 36.1A | 20.2A | 5.01A |
Constant Discharge Ratings (W) at 25ºC
| F.V / Time | 5MIN | 10MIN | 30MIN | 1HR | 3HR | 5HR | 10HR | 20HR | 100HR |
|---|---|---|---|---|---|---|---|---|---|
| 1.90 V | 271W | 246W | 214W | 201W | 144W | 104W | 65.8W | 35.3W | 9.63W |
| 1.85 V | 293W | 281W | 266W | 229W | 151W | 116W | 71.4W | 38.4W | 10W |
| 1.80 V | 467W | 448W | 356W | 300W | 191W | 132W | 77W | 39.9W | 10.3W |
| 1.75 V | 561W | 538W | 358W | 302W | 203W | 138W | 80.2W | 40.9W | 10.4W |
ROS2-350
OPZS (FLOODED)Specifications
| Nominal Voltage | 2 V |
|---|---|
| Capacity (25ºC) | 350 Ah (C10), 386 Ah (C20) |
| Energy | 700 Wh |
| Cell number | 1 |
| Charge Voltage (25°C) | Cycle use: 2.35-2.40V (-5mV/ºC/cell) Float use: 2.21-2.25V (-3mV/ºC/cell) |
| Max. Charge Current | 70 A |
| Max. Discharge Current | 1500 A |
| Internal Resistance | 0.32 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 | SAN |
| Cover | ABS (Flame Retardant Optional) |
| Electrolyte | Sulphuric acid |
| Negative | Lead |
| Positive | Lead dioxide |
| Safety Valve | Rubber |
| Sealant | Epoxy Resin |
| Separator | Fibre Glass |
| Terminal | Copper |
ROS2-350
OPZS (FLOODED)Quick Installation Guide
To ensure optimal performance and maximize the lifespan of your REKOSER ROS2-350 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: 124 mm
- Width: 206 mm
- Height: 470 mm
- Total Height: 525 mm
- Weight: 20 kg
2. Terminal Configuration (F10)
- Terminals: Ensure your system's connectors match the F10 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: 2.35-2.40V (-5mV/ºC/cell)
- Float use: 2.21-2.25V (-3mV/ºC/cell)
4. Safety and Storage
Maintenance: Check the electrolyte level and top up only with distilled or demineralised water.
Position: Always upright.
Ventilation: Install in a ventilated room: hydrogen is released during charging.
Storage: Store charged, in a cool and dry place, and recharge periodically.
Nearby models
ROS2-300 (2 V · 300 Ah) · ROS2-420 (2 V · 420 Ah) · See all ROS series models