Model Number: SD-EV-4850 Brand Name: SOUNDDON Key Specifications/Special Features: Specification:Battery cellRated voltage: 3.7VRated capacity: 12.5AhStandard discharge current: 0.5CDischarge cut off voltage: 3.0VCharge cut off voltage: 4.2V±0.03VImpedance: ≤5mΩ

Battery pack
Compound mode: 4P 13S
Rated capacity: 50Ah
Standard discharge current: 0.33C
Discharge cut off voltage: 39.0V
Rated voltage
Average voltage: 48V
Working voltage: 39-54.6V DC
Standard charge current: 0.2C
Rapid charge current: 0.5C
Instantaneous charge current: 1C
Discharge conditions
Standard discharge current: 0.5C
Rapid discharge current: 1C
Instantaneous discharge current: 3C
Impedance: ≤150mΩ
Working temperature charge (0-45)℃ ≤80% humidity
Discharge (-10-60)℃
Cycle life: ≥1500 times
Storage temperature: ≦1 month -10-45℃
Relative humidity: ≤90%
Applications:

• Battery-powered wheelchairs
• Ride-on toys
• Golf trolleys
• Electric scooters
• Semi-traction lawn mowers
• Portable television and video equipment
• Lifting equipment