| Model | ESS500-3801566EC | ESS500-3802088EC |
| Rated output power | 500KW | 500KW |
| PV configured | Yes(optional) | Yes(optional) |
| PV power | 550KW |
| Rated grid voltage | 380/400/415V |
| Input voltage range | 320~460VAC |
| Output voltage range | 380/400/415VAC |
| Frequency | 50/60HZ |
| AC mode | 3W+N+PE |
| On & off grid switching time | <20ms |
| Battery voltage | 768V | 768V |
| Battery module | 51.2V 340Ah |
| Battery cluster capacity | 261kWh | 261kWh |
| Battery cluster in parallel | 6 | 8 |
| Cycle life | >4000 |
| EMS | Yes |
| Fire alarm | Yes |
| Fire extinguish | Yes |
| Air conditioner | Yes |
| Access control | Yes |
| Remote control | Yes |
| Peak electricity valley calculation | Yes |
| Grid tie function | Yes |
| Communication | CAN、RS485 |
| Water proof | IP54 |
| PCS cooling | Forced air cooling |
| Operating temperature | -30~55℃ |
| Maintenance method | External |
| Dimension L*W*H (MM) | 6058*2400*2900 | 9000*2400*2900 |
| Weight (KG) | About 24000 | About 26000 |