I have read about horror stories of people trying to return damaged batteries. I considered this to be cheap insurance against that.
Good working battery
| Mechanical | Case Material | ABS | |
| Size | 520 x 267 x 220 mm /20.47 x 10.51 x 8.66 in | ||
| Weight | 39.2kg/86.42lb | ||
| Electrical Characteristics |
Nominal Voltage | 51.2V | |
| Nominal Capacity | 100Ah | ||
| Energy | 5120Wh | ||
| Terminal | M8 | ||
| Cycle Life | 6000@DOD80% | ||
| Months Self Discharge | s3%/Month | ||
| Efficiency Of Charge | 100%@0.2C | ||
| Efficiency Of Discharge | 96~99%@0.5C | ||
| Standard Charge | Charge Voltage | 57.6V±0.2V | |
| Charge Mode | CC/CV | ||
| Charge Recommended Current | 20A | ||
| Max. Continuous Charge Current | 200A | ||
| Charger Cut-off Voltage | 58.4V | ||
| Standard Discharge | Discharge Recommended Current | 50A | |
| Max. Continuous Discharge Current | 200A | ||
| Discharge Cut-Off Voltage | 40V | ||
| Environmental | Charge Temperature | 32°F~113°F/0°C~45°C | |
| Discharge Temperature | -4°F~140°F/-20°C~60°C | ||
| Storage Temperature | -4°F~113°F/-20°C~45°C | ||
| Ingress Protection Rating | IP67 |