7.4V 18650 Li-ion Battery Pack

7.4V 18650 Li-ion Battery Pack

CMB manufactured a 18650 7.4 Volt lithium ion battery pack for over a decade. Our 7.4 Volt lithium-ion batteries are used for medical devices. Our engineering team refined the quality of the battery pack design, assembly, and testing. As one custom 18650 battery pack manufacturer, we have strict quality management to boost the reliability and life cycles.

When you have the custom 18650 2s battery pack solutions, please do not hesitate to contact us.

Product Features of 7.4 Volt Lithium ion Battery Pack

  • Over-discharge, overcharge, short circuit protection
  • Each 7.4 Volt battery pack is unique in design to your needs
  • High-density energy and low self-discharge rate

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Custom 18650 2S 7.4V Li-ion Battery Pack Solutions

To learn more about our 2s 18650 battery pack solutions, click on the item titles below.
7.4V 3500mAh 18650 2S1P Li ion Battery Pack

Detail:

  • Application for medical devices and customer electronics
  • Integrated board
  • The nominal capacity is 3500mAh

7.4V 3500mAh 18650 2S1P Li-ion Battery Pack Parameter Specifications

No. Item Parameter Remark
1 Nominal Voltage 7.2V 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 8.4V 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 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 / /
7.4V 6800mAh 18650 2S2P Li ion Battery Pack

Detail:

  • Application: Medical Devices
  • The 7.4V li-ion battery pack is made of 2pcs 18650 single cells
  • Integrated Board

7.4V 6800mAh 18650 2S2P Li-ion Battery Pack Parameter Specifications

No. Item Parameter Remark
1 Nominal Voltage 7.2V 3.6V/Cell
2 Nominal Capacity 6800mAh @0.2C
3 Minimum Capacity 6500mAh /
4 Shipment Voltage / /
5 Initial Internal Impedance ≤100mΩ AC 1KHZ
6 Standard Charge Voltage 8.4V 4.2V/Cell
7 Standard Charge Current 2A @0.2C
8 Max. Charge Current 3.7A BMS Limit
9 Standard Discharge Current ≤2A @0.2C
10 Max. Discharge Current 7.4A /
11 Burst Discharge Current / /
12 Discharge Cut-off Voltage 5.5V 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 / /
7.4V 3500mAh 2S1P Battery Pack
7.4V 3500mAh 18650 2S1P Li ion Battery Pack

Detail:

  • Application for medical devices and customer electronics
  • Integrated board
  • The nominal capacity is 3500mAh

7.4V 3500mAh 18650 2S1P Li-ion Battery Pack Parameter Specifications

No. Item Parameter Remark
1 Nominal Voltage 7.2V 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 8.4V 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 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 / /
7.4V 6800mAh 2S2P Battery Pack
7.4V 6800mAh 18650 2S2P Li ion Battery Pack

Detail:

  • Application: Medical Devices
  • The 7.4V li-ion battery pack is made of 2pcs 18650 single cells
  • Integrated Board

7.4V 6800mAh 18650 2S2P Li-ion Battery Pack Parameter Specifications

No. Item Parameter Remark
1 Nominal Voltage 7.2V 3.6V/Cell
2 Nominal Capacity 6800mAh @0.2C
3 Minimum Capacity 6500mAh /
4 Shipment Voltage / /
5 Initial Internal Impedance ≤100mΩ AC 1KHZ
6 Standard Charge Voltage 8.4V 4.2V/Cell
7 Standard Charge Current 2A @0.2C
8 Max. Charge Current 3.7A BMS Limit
9 Standard Discharge Current ≤2A @0.2C
10 Max. Discharge Current 7.4A /
11 Burst Discharge Current / /
12 Discharge Cut-off Voltage 5.5V 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 / /

More Technical Articles on 18650 Battery Pack

7.4 Volt Lithium Ion Battery Pack FAQ

Does CMB provide custom 7.4V 18650 li ion battery packs?

Of course, we can design 7.4V 18650 li ion battery packs as your needs.

What kinds of brand cells are assemblied into 7.4V lithium ion battery packs?

We will assembly your 7.4V lithium-ion battery packs with the specific brand cells which are compatible with your needs. We have Samsung, Panasonic, LG, BAK, and Molicell ect famous brand cells.

What is the MOQ for 7.4V 18650 li ion battery pack?

The MOQ is 200pcs.

Can we use the standard li ion charger for 7.4V 18650 li ion battery pack?

Please charge the battery with the dedicated 7.4V lithium battery from the 18650 battery manufacturer.

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.