RLS12-33
SERIES RLS · LITHIUM STANDARDEnergy density and ultra-fast charging.
The RLS12-33 is a 12.8 V, 33 Ah (20-hour rate) LiFePO4 lithium battery from the Rekoser Lithium Standard series. It measures 195 × 130 × 180 mm and weighs 4.8 kg, with T5 terminals. It stores 422 Wh and delivers up to 60 A. Energy density and ultra-fast charging. Typical applications: Solar/Wind Energy Systems, Telecommunications and Base Stations, UPS and Data Centers and Light Electric Vehicles.
Formerly RKL12-33.
Main Advantages
- Drop-in replacement: Takes the place of a lead-acid battery
- Cycle life: Up to 20 times more cycles than lead
- Light: 60% less weight
- Built-in BMS: Protection and ultra-fast charging
| Nominal Voltage | 12.8 V |
|---|---|
| Capacity (25ºC) | 33 Ah (C20) |
| Energy | 422 Wh |
| Weight | 4.8 kg |
| Terminal | T5 |
| Dimensions | 195 × 130 × 180 mm |
Main Applications
Quality Standards
RLS12-33
LITHIUM STANDARDGraphics (25°C)
RLS12-33
LITHIUM STANDARDSpecifications
| Nominal Voltage | 12.8 V |
|---|---|
| Capacity (25ºC) | 33 Ah (C20) |
| Energy | 422 Wh |
| Cell (Method) | 26650 (4S10P) |
| Charge Voltage (25°C) | Cycle use: 14.6±0.2V |
| Charge Mode | 0.2C to 14.6V, then 14.6V,charge current to 0.02C (CC/CV) |
| Charger Current | 16A |
| Charge Cut-off Voltage | 15.6V±0.2V |
| Max. Charge Current | 33 A |
| Continuous Discharge Current | 50A |
| Max. Discharge Current | 60 A (<3s) |
| Discharge Cut-off Voltage | 8V |
| Internal Resistance | 40 mΩ |
| Self Discharge | 3 % of capacity per month at 25 °C |
| Eficiency of Charge | 100% @0.5C |
| Eficiency of Discharge | 96~99% @1C |
| Cycle Life | >2000 cycles @1C 100%DOD |
| Protocol (optional) | SMBus/RS485/RS232 |
| SOC (optional) | LED |
| Water Dust Resistance | IP56 |
Construction
| Component | Material |
|---|---|
| Container | ABS (Flame Retardant Optional) |
| Cover | ABS (Flame Retardant Optional) |
| Sealant | Epoxy Resin |
| Terminal | Copper |
RLS12-33
LITHIUM STANDARDQuick Installation Guide
To ensure optimal performance and maximize the lifespan of your REKOSER RLS12-33 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: 180 mm
- Total Height: 180 mm
- Weight: 4.8 kg
2. Terminal Configuration (T5)
- Terminals: Ensure your system's connectors match the T5 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±0.2V
4. Safety and Storage
Maintenance: Maintenance-free. The built-in BMS protects the battery.
Charging: Use a LiFePO4 charger at the stated voltage; do not charge below 0 °C.
Storage: Store at partial charge, in a cool and dry place.
Nearby models
RLS12-26 (12.8 V · 26 Ah) · RLS12-40 (12.8 V · 40 Ah) · See all RLS series models