Your Custom 3.7V 18650 Li-ion Battery Packs All One Shop Supplier
CMB provides 3.7V 18650 lithium battery packs for various industrial applications. Our 3.7V battery packs are made of high-quality grade brand cells. Each lithium-ion battery pack 3.7V does a series of battery tests to ensure the real capacity over the customer’s needs.
We support hundreds of our customers to fulfill their custom 18650 battery packs. Our engineering team is devoted to designing long-lasting 3.7V 18650 Li-ion battery packs with a dependable quality that our customers can trust.
Key Features and Benefits
- Long-lasting power: Our batteries last longer thanks to high energy density.
- Customized for you: We can customize batteries with different capacities, configurations, and packaging to meet your specific needs.
- BMS design： Built-in overcharge protection, short circuit protection, thermal management, and other advanced safety features.
- Quality guaranteed: 15 years of experience and ISO 9001 certification ensure every battery is made to last.
- Certified safety: UL, KC, PSE, IEC, and other certifications for your peace of mind.
Request a Quote
Custom 3.7V 18650 Li-ion Battery Pack Solutions
To learn more about our custom 3.7V battery solutions, click on the item titles below.
Specifications:
- Battery Cells Used: 18650 lithium-ion cell x 1
- Special Features: Integrated Board
- Nominal Capacity: 3500mAh
3.7V 3500mAh 18650 1S1P Li-ion Battery Pack Parameter Specifications
| No. | Item | Parameter | Remark |
|---|---|---|---|
| 1 | Nominal Voltage | 3.6V | 3.6V/Cell |
| 2 | Nominal Capacity | 3500mAh | @0.2C |
| 3 | Minimum Capacity | 3350mAh | / |
| 4 | Shipment Voltage | / | / |
| 5 | Initial Internal Impedance | ≤100mΩ | AC 1KHZ |
| 6 | Standard Charge Voltage | 4.2V | 4.2V/Cell |
| 7 | Standard Charge Current | 1A | @0.2C |
| 8 | Max. Charge Current | 3.5A | BMS Limit |
| 9 | Standard Discharge Current | 0.7A | @0.2C |
| 10 | Max. Discharge Current | 7A | / |
| 11 | Burst Discharge Current | / | / |
| 12 | Discharge Cut-off Voltage | 2.5V | 2.5V/Cell |
| 13 | Cycle Life | ≥500 cycles | Retention: ≥80% |
| 14 | Charge Temperature | 0°C~45°C | Standard Charge |
| 15 | Discharge Temperature | -20°C ~70°C | Standard Discharge |
| 16 | Storage Temperature | -20°C~ 45°C | ≤3 Months |
| 0°C ~ 25°C | ≤1 Year | ||
| 17 | Weight | About 60g | / |
| 18 | Special Request | / | / |
Specifications:
- Battery Cells Used: 18650 lithium-ion cell x 2
- Nominal Capacity: 6700mAh
- Special Features: Integrated Board
3.7V 6700mAh 18650 1S2P Li-ion Battery Pack Parameter Specifications
| No. | Item | Parameter | Remark |
|---|---|---|---|
| 1 | Nominal Voltage | 3.6V | 3.6V/Cell |
| 2 | Nominal Capacity | 6700mAh | @0.2C |
| 3 | Minimum Capacity | 6500mAh | / |
| 4 | Shipment Voltage | / | / |
| 5 | Initial Internal Impedance | ≤100mΩ | AC 1KHZ |
| 6 | Standard Charge Voltage | 4.2V | 4.2V/Cell |
| 7 | Standard Charge Current | 1.34A | @0.2C |
| 8 | Max. Charge Current | 3.35A | BMS Limit |
| 9 | Standard Discharge Current | 1.34A | @0.2C |
| 10 | Max. Discharge Current | 6.7A | / |
| 11 | Burst Discharge Current | / | / |
| 12 | Discharge Cut-off Voltage | 2.5V | 2.5V/Cell |
| 13 | Cycle Life | ≥500 cycles | Retention: ≥80% |
| 14 | Charge Temperature | 0°C~45°C | Standard Charge |
| 15 | Discharge Temperature | -20°C ~70°C | Standard Discharge |
| 16 | Storage Temperature | -20°C~ 45°C | ≤3 Months |
| 0°C ~ 25°C | ≤1 Year | ||
| 17 | Weight | About 110g | / |
| 18 | Special Request | / | / |
Specifications:
- Battery Cells Used: 18650 lithium-ion cell x 3
- Nominal Capacity: 10500mAh
- Special Features: Integrated Board
3.7V 10500mAh 18650 1S3P Li-ion Battery Pack Parameter Specifications
| No. | Item | Parameter | Remark |
|---|---|---|---|
| 1 | Nominal Voltage | 3.6V | 3.6V/Cell |
| 2 | Nominal Capacity | 10500mAh | @0.2C |
| 3 | Minimum Capacity | 10050mAh | / |
| 4 | Shipment Voltage | / | / |
| 5 | Initial Internal Impedance | ≤100mΩ | AC 1KHZ |
| 6 | Standard Charge Voltage | 4.2V | 4.2V/Cell |
| 7 | Standard Charge Current | 2.1A | @0.2C |
| 8 | Max. Charge Current | 5A | BMS Limit |
| 9 | Standard Discharge Current | 2.1A | @0.2C |
| 10 | Max. Discharge Current | 8A | / |
| 11 | Burst Discharge Current | / | / |
| 12 | Discharge Cut-off Voltage | 2.5V | 2.5V/Cell |
| 13 | Cycle Life | ≥500 cycles | Retention: ≥80% |
| 14 | Charge Temperature | 0°C~45°C | Standard Charge |
| 15 | Discharge Temperature | -20°C ~70°C | Standard Discharge |
| 16 | Storage Temperature | -20°C~ 45°C | ≤3 Months |
| 0°C ~ 25°C | ≤1 Year | ||
| 17 | Weight | About 180g | / |
| 18 | Special Request | / | / |
Specifications:
- Battery Cells Used: 18650 lithium-ion cell x 4
- Nominal Capacity: 14000mAh
- Special Features: Integrated Board
3.7V 14000mAh 18650 1S4P Li-ion Battery Pack Parameter Specifications
| No. | Item | Parameter | Remark |
|---|---|---|---|
| 1 | Nominal Voltage | 3.6V | 3.6V/Cell |
| 2 | Nominal Capacity | 10500mAh | @0.2C |
| 3 | Minimum Capacity | 10050mAh | / |
| 4 | Shipment Voltage | / | / |
| 5 | Initial Internal Impedance | ≤100mΩ | AC 1KHZ |
| 6 | Standard Charge Voltage | 4.2V | 4.2V/Cell |
| 7 | Standard Charge Current | 2.1A | @0.2C |
| 8 | Max. Charge Current | 5A | BMS Limit |
| 9 | Standard Discharge Current | 2.1A | @0.2C |
| 10 | Max. Discharge Current | 8A | / |
| 11 | Burst Discharge Current | / | / |
| 12 | Discharge Cut-off Voltage | 2.5V | 2.5V/Cell |
| 13 | Cycle Life | ≥500 cycles | Retention: ≥80% |
| 14 | Charge Temperature | 0°C~45°C | Standard Charge |
| 15 | Discharge Temperature | -20°C ~70°C | Standard Discharge |
| 16 | Storage Temperature | -20°C~ 45°C | ≤3 Months |
| 0°C ~ 25°C | ≤1 Year | ||
| 17 | Weight | About 180g | / |
| 18 | Special Request | / | / |
- 3.7V 3500mAh 1S1P Battery Pack
Specifications:
- Battery Cells Used: 18650 lithium-ion cell x 1
- Special Features: Integrated Board
- Nominal Capacity: 3500mAh
3.7V 3500mAh 18650 1S1P Li-ion Battery Pack Parameter Specifications
No. Item Parameter Remark 1 Nominal Voltage 3.6V 3.6V/Cell 2 Nominal Capacity 3500mAh @0.2C 3 Minimum Capacity 3350mAh / 4 Shipment Voltage / / 5 Initial Internal Impedance ≤100mΩ AC 1KHZ 6 Standard Charge Voltage 4.2V 4.2V/Cell 7 Standard Charge Current 1A @0.2C 8 Max. Charge Current 3.5A BMS Limit 9 Standard Discharge Current 0.7A @0.2C 10 Max. Discharge Current 7A / 11 Burst Discharge Current / / 12 Discharge Cut-off Voltage 2.5V 2.5V/Cell 13 Cycle Life ≥500 cycles Retention: ≥80% 14 Charge Temperature 0°C~45°C Standard Charge 15 Discharge Temperature -20°C ~70°C Standard Discharge 16 Storage Temperature -20°C~ 45°C ≤3 Months 0°C ~ 25°C ≤1 Year 17 Weight About 60g / 18 Special Request / / - 3.7V 6700mAh 1S2P Battery Pack
Specifications:
- Battery Cells Used: 18650 lithium-ion cell x 2
- Nominal Capacity: 6700mAh
- Special Features: Integrated Board
3.7V 6700mAh 18650 1S2P Li-ion Battery Pack Parameter Specifications
No. Item Parameter Remark 1 Nominal Voltage 3.6V 3.6V/Cell 2 Nominal Capacity 6700mAh @0.2C 3 Minimum Capacity 6500mAh / 4 Shipment Voltage / / 5 Initial Internal Impedance ≤100mΩ AC 1KHZ 6 Standard Charge Voltage 4.2V 4.2V/Cell 7 Standard Charge Current 1.34A @0.2C 8 Max. Charge Current 3.35A BMS Limit 9 Standard Discharge Current 1.34A @0.2C 10 Max. Discharge Current 6.7A / 11 Burst Discharge Current / / 12 Discharge Cut-off Voltage 2.5V 2.5V/Cell 13 Cycle Life ≥500 cycles Retention: ≥80% 14 Charge Temperature 0°C~45°C Standard Charge 15 Discharge Temperature -20°C ~70°C Standard Discharge 16 Storage Temperature -20°C~ 45°C ≤3 Months 0°C ~ 25°C ≤1 Year 17 Weight About 110g / 18 Special Request / / - 3.7V 10500mAh 1S3P Battery Pack
Specifications:
- Battery Cells Used: 18650 lithium-ion cell x 3
- Nominal Capacity: 10500mAh
- Special Features: Integrated Board
3.7V 10500mAh 18650 1S3P Li-ion Battery Pack Parameter Specifications
No. Item Parameter Remark 1 Nominal Voltage 3.6V 3.6V/Cell 2 Nominal Capacity 10500mAh @0.2C 3 Minimum Capacity 10050mAh / 4 Shipment Voltage / / 5 Initial Internal Impedance ≤100mΩ AC 1KHZ 6 Standard Charge Voltage 4.2V 4.2V/Cell 7 Standard Charge Current 2.1A @0.2C 8 Max. Charge Current 5A BMS Limit 9 Standard Discharge Current 2.1A @0.2C 10 Max. Discharge Current 8A / 11 Burst Discharge Current / / 12 Discharge Cut-off Voltage 2.5V 2.5V/Cell 13 Cycle Life ≥500 cycles Retention: ≥80% 14 Charge Temperature 0°C~45°C Standard Charge 15 Discharge Temperature -20°C ~70°C Standard Discharge 16 Storage Temperature -20°C~ 45°C ≤3 Months 0°C ~ 25°C ≤1 Year 17 Weight About 180g / 18 Special Request / / - 3.7V 14000mAh 1S4P Battery Pack
Specifications:
- Battery Cells Used: 18650 lithium-ion cell x 4
- Nominal Capacity: 14000mAh
- Special Features: Integrated Board
3.7V 14000mAh 18650 1S4P Li-ion Battery Pack Parameter Specifications
No. Item Parameter Remark 1 Nominal Voltage 3.6V 3.6V/Cell 2 Nominal Capacity 10500mAh @0.2C 3 Minimum Capacity 10050mAh / 4 Shipment Voltage / / 5 Initial Internal Impedance ≤100mΩ AC 1KHZ 6 Standard Charge Voltage 4.2V 4.2V/Cell 7 Standard Charge Current 2.1A @0.2C 8 Max. Charge Current 5A BMS Limit 9 Standard Discharge Current 2.1A @0.2C 10 Max. Discharge Current 8A / 11 Burst Discharge Current / / 12 Discharge Cut-off Voltage 2.5V 2.5V/Cell 13 Cycle Life ≥500 cycles Retention: ≥80% 14 Charge Temperature 0°C~45°C Standard Charge 15 Discharge Temperature -20°C ~70°C Standard Discharge 16 Storage Temperature -20°C~ 45°C ≤3 Months 0°C ~ 25°C ≤1 Year 17 Weight About 180g / 18 Special Request / /
More Technical Articles on 18650 Battery Pack
3.7V 18650 Lithium-ion Battery Pack FAQ
How does CMB choose 18650 cells for custom battery pack solutions ?
We’ll determine the 18650 cell models according to your needs first. Then we’ll consider the cost to be compatible with the different 18650 cell brands.
Can you provide battery housing for the 3.7V 18650 battery pack?
Our primary of the 18650 battery pack is packed by wrap shrink but we also can develop battery housing for your batteries as your needs.
Can I customize the 18650 battery pack?
Of course, please contact us.
Does the 3.7V 18650 battery pack have the certifications I need?
CMB is focusing on custom batteries and we do not have the existing certificates for the 3.7V 18650 battery pack. Besides, the certificate rights belong to the customers.
Tailored Customization
Our design team can create custom battery designs for just about any device or machine.
Timely Delivery
Our efficient production and distribution process gets your product delivered in a timely manner.
Quality Guarantee
We stand by our products and guarantee you’ll be happy with your purchase.