Brand /model

Windyfire

Tpye of Battery 

IMR 14500/650mAh

Size(mm)

14mm(Diameter) x 50mm(Length)

Positive Shape

Button top

Weight(g)

20±1g

Nominal Voltage

3.7V 

Nominal  Capacity

670mah(0.2 C Discharge)

Mininum  Capacity

650mah(0.2 C Discharge)

Discharge Cut-off voltage

3 V

Standard Charge 

0.4 A /4.2V

Maximum charge current

1.95A

Quick Discharge Current

6.500 A

Max Discharge Current

9.750 A 

Initial Impedance 

Max:20mW

Cycle Life

310times: discharging capacity≥85%

510times: discharging capacity≥60%

Temperature

Characteristics

-10℃/0.2C ≥80%* Capacity; 20℃/0.2C =100%* Capacity;60℃/0.2C ≥95%* Capacity

Charging Time

Standard charge : 5-7hours  

Rapid charge : 2-3hours

Operating environment

Charging, 0°C ~ 45°C ;  65±20%RH

Discharging, -20°C~60°C ;  65±20%RH

Storage environment

Temp(-20°c -35°c)  / Relative humidity (45-75%)

Minimum Order Quantity

10 Piece

Application

electrical tools ，flashlight，Electronic cigarette

Specifications

1)High capacity,the true capacity

2) Your logo are welcome

3) Auto Protection function: short circuit, over-charging, and over-discharging

4) High discharge current, discharge voltage stability