Charged Reviews · Quick reference
Ohmmu U1R Sodium 12V Battery for Tesla Model S
- Brand
- Ohmmu
- Model
- Na-U1R
- SKU / part number
- Na-U1R[3]
- Category
- Batteries
Energy and chemistry
| Nominal voltage | 12.4 V[1] |
|---|---|
| Rated capacity | 25 Ah[1] |
| Nominal energy | ? |
| Usable energy | ? |
| Chemistry | Sodium Transition Metal Oxide (NaMO2)[1] |
| Cell format | Cylindrical[1] |
Charge and discharge
| Continuous charge current | 25 A[1] |
|---|---|
| Continuous discharge current | ? |
| Maximum charge current | 50 A[1] |
| Maximum discharge current | 200 A[1] |
| Peak charge current | ? |
| Peak discharge current | 250 A[1] |
| Continuous output power | ? |
| Peak output | ? |
| Maximum charge voltage | 15.2 to 15.8 V[1] |
| Charge cutoff voltage | ? |
| Discharge cutoff voltage | ? |
BMS and communication
| BMS continuous current | ? |
|---|---|
| Communication protocols | ? |
| Wireless monitoring | ? |
| Inverter compatibility | ? |
Operating temperature
| Charging temperature | -25.6 to 77.8 °C[1]Calculated |
|---|---|
| Discharging temperature | -40 to 77.8 °C[1]Calculated |
| Storage temperature | -40 to 78 °C[1] |
| Self-heating | ? |
Mechanical and mounting
| Dimensions | 132 W × 155 H × 195 L mm[1] |
|---|---|
| Weight | 4.54 kg / 10.01 lb[1, 2]Calculated |
| Terminals | Threaded Insert (UNF 10-32)[1, 2] |
| Mounting / format | Case batterySite classificationBased on[1, 2] |
| Enclosure rating (IP) | IP65[1] |
Installation (from the manual)
Torque
| Main terminal torque | 7 N·m(61.96 in-lb*)[1] |
|---|---|
| Communication terminal torque | ? |
| Ground terminal torque | ? |
Not in the manual: Conductors, Protection, Clearances and orientation, Grounding, Communication
System limits
| Maximum parallel units | ? |
|---|---|
| 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.