Type: | Li-ion Battery |
---|---|
Cathode Material: | NCA |
Rechargeable: | Yes |
Samples: |
---|
Customization: |
---|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
---|
Payment Method: | |
---|---|
Initial Payment Full Payment |
Currency: | US$ |
---|
Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
---|
Suppliers with verified business licenses
The 18650 battery is a type of lithium ion battery with a diameter of 18 millimeters and a length of 65 millimeters. It is commonly used in various handheld electronic devices such as laptops, mobile phones, flashlights, drones, etc. Its advantages are lightweight, high energy density, long lifespan, and rechargeability. However, it also has some disadvantages such as being prone to overheating, requiring special chargers, and potential safety issues. Therefore, when using the 18650 battery, safety should be taken into consideration and the correct charging and usage methods should be followed.Cylindrical rechargeable lithium ion battery.
Item | Condition |
Specification |
1 Energy | Std. charge / discharge | Nominal 3500 mAh Minimum 3400 mAh |
2 Nominal Voltage | Average | 3.635V |
3 Standard Charge | Constant current Constant voltage End current(Cut off) |
0.5C (1700mA) 4.2V 50mA |
4 Max. Charge Voltage | 4.2 ± 0.05V | |
5 Max. Charge Current | 1.0 C (3400mA) | |
6 Standard Discharge | Constant current End voltage(Cut off) |
0.2C (680mA) 2.5V |
7 Max. Discharge Current | 10A | |
8 Weight | Approx. | Max. 49.0 g |
9 Operating Temperature | Charge Discharge |
0 ~ 45ºC -20 ~ 60ºC |
10 Storage Temperature | 1 month 3 month 1 year |
-20 ~ 60ºC -20 ~ 45ºC -20 ~ 20ºC |
11.Initial AC Impedance | Cell shall be measured at 1kHz after charge per | ≤ 40 mo, without PTC |
12.Initial Capacity | Cells shall be charged pe | ≥ 3400 mAh |
13.Cycle Life | Cells shall be charged and discharged per 4.1.3 400 cycles. | ≥ 80 % |
Appearance
There shall be no such defects as deep scratch, crack, rust, discoloration or leakage, which may
adversely affect the commercial value of the cell.
3.2 Dimension
Diameter: ≤ 18.5 mm
Diameter is defined as the largest data value measured on the head area (A) of a cylindrical cell.
Height: ≤ 65.3 mm
Suppliers with verified business licenses