Model: OSN-DK-4809 

Size(LxWxH): 360x148x70mm  

Rated Voltage: 51.2V 

Rated Capacity: 9.5Ah ( measure at 0.3C discharging rate) 

Inner Resistance: ＜20mΩ 

Discharge Cut-off Voltage: 40 V (2.5V any single cell) 

Charge Cut-off Voltage: 62.4V(3.9V any single cell) 

Standard Charge Voltage: 68.4V (3.65V any single cell) 

Standard Charge Current: 2A  

Max Discharge Current: 25A 

Max charge Current : 5A 

Charger: CC/CV(Professional Charger) 

Weight: 5.5KG 

Working Temperature: Charge  0～50℃  

Discharge: -20～50℃

Storage Temperature: -20～50℃  

Normal Temperature C:  ≥9.5Ah 

Circle Life: 2000 cycles to 80% with 100% DOD under normal temperature 

Safety Test: CE UL ROHS Approval