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  • Samsung INR 21700 40T 4000mAh high drain Battery with 40A current for ebike electric tool and scooter Samsung INR 21700 40T 4000mAh high drain Battery with 40A current for ebike electric tool and scooter
  • Samsung INR 21700 40T 4000mAh high drain Battery with 40A current for ebike electric tool and scooter Samsung INR 21700 40T 4000mAh high drain Battery with 40A current for ebike electric tool and scooter
  • Samsung INR 21700 40T 4000mAh high drain Battery with 40A current for ebike electric tool and scooter Samsung INR 21700 40T 4000mAh high drain Battery with 40A current for ebike electric tool and scooter
  • Samsung INR 21700 40T 4000mAh high drain Battery with 40A current for ebike electric tool and scooter Samsung INR 21700 40T 4000mAh high drain Battery with 40A current for ebike electric tool and scooter

Samsung INR 21700 40T 4000mAh high drain Battery with 40A current for ebike electric tool and scooter

Product Description
Item of Efan batteryCondition/NoteSpecification
21700 40T 4000mAh batteryNominal Capacity4000mAh
Norminal Voltage3.7V
Standard chargeconstant current0.2C
constant voltage4.2V
end current(cut off)100mA
IMR battery fast chargeconstant current1C
constant voltage4.2V
end current(cut off)100mA
Standard dischargeconstant current30A
end voltage(cut off)2.5V
Fast dischargeend voltage(cut off)2.5v 
Maximum discharge Currentpulse current35A
3.7V 18650 battery weightapproximate70g
Operating temperature  charge0-45 °C
discharge-10-65 °C
Storage temperature   1 month-10-45 °C
6 months-10-35 °C
1 year-10-30 °C
Efan battery dimention (Diameter & Height)D21.0±0.2mm
H69.85±0.2mm