| Part Number | SY51.2V4.6KWH31E | Remark | |
| Nominal Capacity | 90Ah | ±5% @25℃ | |
| Nominal Voltage | 51.2V | — | |
| Nominal Energy | 4.608kwh | — | |
| Upper voltage | 57.6V | ||
| Low voltage | 41.6V | ||
| Pack resistance | < 50 mΩ | @ 1KHz AC，50% SOC | |
| Continuous Charge | 50A | ||
| Continuous Discharge | 100A | ||
| Peak dis current | 120A | ：@50%soc ，10s | |
| Weight | 52kg | ||
| Projected Cycle Life ( 25℃) | 20,000 times | ||
| Warranty | 15 years | ||
| Self-discharge Rate | 2% per month | ||
| Cooling | Natural cooling | ||
| Case material | Steel case | ||
| Storage Temperature | -20℃~40 ℃ | SOC>30%，one full charge needed per two months | |
| Storage Humidity | 25% ~ 95%RH | — | |
| Operating Temperature | Discharge | “-30 ℃~60 ℃ | — |
| Charge | -30 ℃~55 ℃ | — | |
| Dimension（mm） | 490*730*133 | ||
This is just one of our energy storage degree specifications, we can do 48v 2.5kwh 3.2kwh 5kwh 7.5kwh 10kwh 15kwh , even 30kwh 50kwh… Through different series and parallel numbers to achieve your energy storage needs
For the selection of cells, we routinely use supercapacitor Soft package cells. If you have different discharge rate requirements or different usage scenarios, please contact us to customize different cell solutions for you
