Charged Reviews · Quick reference
RICH SOLAR ALPHA 2
- Brand
- RICH SOLAR
- Model
- RS-B122S
- SKU / part number
- RS-B122S[7]
- Category
- Batteries

Energy and chemistry
| Nominal voltage | 12.8 V[2] |
|---|---|
| Rated capacity | 200 Ah[2] |
| Nominal energy | 2.56 kWh[1]Calculated |
| Usable energy | ? |
| Chemistry | LiFePO₄[4] |
| Cell format | ? |
Charge and discharge
| Continuous charge current | 50 A[1] |
|---|---|
| Continuous discharge current | 100 A[1]Needs confirmation |
| Maximum charge current | 100 A[4]Needs confirmation |
| Maximum discharge current | 100 A[2] |
| Peak charge current | ? |
| Peak discharge current | ? |
| Continuous output power | ? |
| Peak output | ? |
| Maximum charge voltage | 14.4 V[4] |
| Charge cutoff voltage | ? |
| Discharge cutoff voltage | 11.2 V[1]Needs confirmation |
BMS and communication
| BMS continuous current | ? |
|---|---|
| Communication protocols | Bluetooth[1] |
| Wireless monitoring | Yes[4] |
| Inverter compatibility | ? |
Operating temperature
| Charging temperature | 0 to 55 °C[5]Calculated |
|---|---|
| Discharging temperature | -20 to 60 °C[5]Calculated |
| Storage temperature | -30 to 55 °C[1] |
| Self-heating | Yes[1] |
Mechanical and mounting
| Dimensions | 205.7 W × 215.9 H × 530.9 L mm[2]Calculated |
|---|---|
| Weight | 24 kg / 52.91 lb[2]Calculated |
| Terminals | M8[5] |
| Mounting / format | ? |
| Enclosure rating (IP) | IP55[4] |
Installation (from the manual)
Not documented in the manual
System limits
| Maximum parallel units | 4[10] |
|---|---|
| Series connection | ? |
| Maximum system energy | ? |
Page 1 of 2 · Installation values · ? means nothing is recordedAggregated, often community-reported information, not official documentation. Do not rely on it for installation, purchase or compliance decisions; always confirm values with the manufacturer’s official documentation. Charged Reviews accepts no responsibility for errors.