Description
| ELECTRICAL SPECIFICATIONS | MECHANICAL SPECIFICATIONS | ||
| Nominal Voltage | 51.2V | Dimensions (L x W x H) | 10.2 x 6.6 x 8.6” 260 x 168 x 218 mm |
| Nominal Capacity | 25 Ah | Weight | 27.6 lbs (12.5 kg) |
| Capacity @ 5A | 300 min | Terminal Type | M8 x 1.25 |
| Energy | 1280 Wh | Terminal Torque | 80 – 100 in-lbs (9 – 11 N-m) |
| Resistance | ≤70 mΩ @ 50% SOC | Case Material | ABS |
| Efficiency | 99% | Enclosure Protection | IP66 |
| Self Discharge | <3% per Month | Cell Type – Chemistry | Cylindrical – LiFePO4 |
| Maximum Modules in Series | 1 (Single Use) | ||
| DISCHARGE SPECIFICATIONS | CHARGE SPECIFICATIONS | ||
| Maximum Continuous Discharge Current | 20 A | Recommended Charge Current | 1.25 A – 12.5 A |
| Peak Discharge Current | 25 A (4 ±1 s) | Maximum Charge Current | 20 A |
| VMS Discharge Current Cut-Off | 60 A ±10 A (6 ±3 ms) | Recommended Charge Voltage | 56.0 V – 58.4 V |
| Recommended Low Voltage Disconnect | 44V | Charge Current 32ºF to 14ºF (0 to -10 ºC) | ≤0.1 C |
| BMS Discharge Voltage Cut-Off | 40 V (2.5 ±0.1 vpc) (100 ±50 ms) | Charge Current -4ºF to 14ºF (-20 to -10 ºC) | ≤0.05 C |
| Reconnect Voltage | 32 V (2.0 ±0.1 vpc) | BMS Charge Voltage Cut-Off | 60.8 V (3.8 ±0.05 vpc) |
| Short Circuit Protection | 400-600 μs | (1.0 ±0.5 s) | |
| Reconnect Voltage | 57.6 V (3.6 ±0.05 vpc) | ||
| Balancing Voltage | 57.6 V (3.6 ±0.025 vpc) | ||
| TEMPERATURE SPECIFICATIONS | COMPLIANCE SPECIFICATIONS | ||
| Discharge Temperature | -4 to 140 ºF (-20 to 60 ºC) | Certifications | CE (battery) UL1642 & IEC62133 (cells) |
| Charge Temperature* | -4 to 113 ºF (-20 to 45 ºC) | Shipping Classification | UN 3480, CLASS 9 |
| Storage Temperature | 23 to 95 ºF (-5 to 35 ºC) | ||
| BMS High Temperature Cut-Off | 149 ºF (65 ºC) | ||
| Reconnect Temperature | 122 ºF (50 ºC) | ||
| *Refer to charge currents below 0°C (32°F) | |||









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