SUCCESS, TOGETHER
Sales 80,000,000 PCS Per Year
Wholesale In Good Price
3 – 7 Days for Delivery
Directly from the factory
18650 2000mah ECO 3.7V: USD 0.55 PER PCS in Dec. 2023
18650 2000mah-10C 3.7V for Power Tool: USD 0.75 PER PCS in Dec. 2023
1
modern facilities and R&D center assure the battery good and stable quality.
2
good price directly obtain from the battery manufacturer
3
Grand production capacity and stock assure the quick delivery
The battery is tested monthly.
The following is one part of the test result data for 2200mah, 300 cycle time
The life cycle data including:
Constant current charging_mAh，Constant current charging time_Sec， Constant voltage charging_mAh，
Constant voltage charging time_Sec， Total charge_mAh， Total discharge_mAh， Total discharge time_Sec，
Charge and discharge efficiency， Capacity decay rate
The original data will be sent on request.
Model
2000mah
2000mah / 3C
2000mah / 5C
Nominal capacity
2000mah
2000mah
2000mah
Nominal voltage
3.7V
3.7V
3.7V
Max charge voltage
4.2V
4.2V
4.2V
Discharge cut-off voltage
2.75V
2.75V
2.75V
Standard charge current
1A ( 0.5C )
1A ( 0.5C )
1A ( 0.5C )
Max charge current
2A ( 1C )
2A ( 1C )
2A ( 1C )
Discharge current (continuous)
2A ( 1C )
6A ( 3C )
10A ( 5C )
Max discharge current
4A ( 2C )
10A ( 5C )
12A ( 6C )
Internal resistance
≤ 48 mΩ
≤ 30 mΩ
≤ 19 mΩ
Cycle life
≥ 350
≥ 400
≥ 400
Diameter
≤ 18.45mm
≤ 18.45mm
≤ 18.45mm
Height
≤ 65.30mm
≤ 65.30mm
≤ 65.30mm
Weight
44.8g
45.0g
45.2g
Model
2200mah
2500mah
2500mah / 3C
Nominal capacity
2200mah
2500mah
2500mah
Nominal voltage
3.7V
3.7V
3.7V
Max charge voltage
4.2V
4.2V
4.2V
Discharge cut-off voltage
2.75V
2.75V
2.75V
Standard charge current
1.1A ( 0.5C )
1.25A ( 0.5C )
1.25A ( 0.5C )
Max charge current
2.2A ( 1C )
2.5A ( 1C )
2.5A ( 1C )
Discharge current (continuous)
2.2A ( 1C )
2.5A ( 1C )
7.5A ( 3C )
Max discharge current
4.4A ( 2C )
5A ( 2C )
12.5A ( 5C )
Internal resistance
≤ 48 mΩ
≤ 48 mΩ
≤ 19 mΩ
Cycle life
≥ 400
≥ 500
≥ 350
Diameter
≤ 18.45mm
≤ 18.45mm
≤ 18.45mm
Height
≤ 65.30mm
≤ 65.30mm
≤ 65.30mm
Weight
45.5g
45.0g
45.5g
More models are available, please contact us for more details.
Model
4000mah
4500mah
Nominal capacity
4000mah
4500mah
Nominal voltage
3.7V
3.7V
Max charge voltage
4.2V
4.2V
Discharge cut-off voltage
2.75V
2.75V
Max charge current
0.5 C
0.5 C
Discharge current (continuous)
2 C
2 C
Max discharge current
3 C
3 C
Internal resistance
≤ 23mΩ
≤ 23mΩ
Cycle life
≥ 320
≥ 360
Diameter
21.7 ± 0.3 mm
21.7 ± 0.3 mm
Height
70.5 ± 0.3mm
70.5 ± 0.3mm
Weight
69.5 g
69.8 g
The batteries just off the production line are being standing and capacity graded.
Battery warehouse
← 18650 Battery – Normal Packing ↓
Container Loading for export
Model: 18650
Specification: 1 pcs
Standard Voltage: 3.7V
Charging Voltage: 4.2V
Discharge Current: 1 – 10A
Cut-off Voltage: 2.75V
Size: 18×65 mm
Protect board: optional
Model: 18650
Specification: 2 pcs
Standard Voltage: 3.7V
Charging Voltage: 4.2V
Discharge Current: 1 – 10A
Cut-off Voltage: 2.75V
Size: 18×36×65 mm
Protect board: optional
Model: 18650
Specification: 2 pcs
Standard Voltage: 7.4V
Charging Voltage: 8.4V
Discharge Current: 1 – 20A
Cut-off Voltage: 6V±0.1V
Size: 18×36×65 mm
Protect board: optional
Model: 18650
Specification: 3 pcs
Standard Voltage: 3.7V
Charging Voltage: 4.2V
Discharge Current: 1 – 10A
Cut-off Voltage: 3V ± 0.05 V
Size: 18×54×68 mm
Protect board: optional
Model: 18650
Specification: 3 pcs
Standard Voltage: 3.7V
Charging Voltage: 4.2V
Discharge Current: 1 – 10A
Cut-off Voltage: 2.75V ± 0.05V
Size: 36×36×65 mm
Protect board: optional
China Lithium Battery – China Battery Industry About this article This is written by a battery worker who has been in the industry for more than
China Lithium Battery – Raw Materials About this article This is written by a battery expert who has been in the industry for more than 10
