CMB also have excellent experience in providing custom 21700 battery pack for medical devices. 21700 battery pack has higher density and more lighter. The maximum safety is required by 21700 battery pack for medical devices. Our engineering team evaluated the complete battery pack solution from the 21700 cells models, BMS solution, and battery pack assembly process to boost safety.
7.4V 5000mAh 21700 Lithium Ion Battery for Medical Devices Parameter Specifications
| No. | Item | Parameter | Remark |
|---|---|---|---|
| 1 | Nominal Voltage | 7.2V | 3.6V/Cell |
| 2 | Nominal Capacity | 5000mAh | @0.2C |
| 3 | Minimum Capacity | 4900mAh | / |
| 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 | 5A | BMS Limit |
| 9 | Standard Discharge Current | 1A | @0.2C |
| 10 | Max. Discharge Current | 9.8A | / |
| 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 180g | / |
| 18 | Special Request | / | / |
The Development Timeline Schedule of Custom Battery Pack for Medical Devices
Primary Solution
We’ll provide you with the primary solution within one day once we get your questionnaire.
Drawing Release
We’ll provide the first version of the CAD drawing within one day and the CAD drawing show you the battery assembly construction.
Specification Approval
We’ll provide you with the specifications to get the approval within 2 days.
Estimation
We’ll provide an estimation for you to approve within 1 day.
Tooling
We’ll need 8-9 weeks to open the tooling for you if your custom 21700 battery pack for electric bikes needs the customized housing.
BMS Development
We’ll need to make the BMS development within 7-10 days and customized smart BMS development takes 25-30 days.
Sample Release
We’ll need 5 days to make the new sample production before release.
The Sample Shipping Time
We’ll need 4-7 days to ship the sample by UPS.
Certificates
You can get your 21700 battery packs for your medical devices within 2-3 weeks expecting the UL certificate.
- Parameter Specifications
-
7.4V 5000mAh 21700 Lithium Ion Battery for Medical Devices Parameter Specifications
No. Item Parameter Remark 1 Nominal Voltage 7.2V 3.6V/Cell 2 Nominal Capacity 5000mAh @0.2C 3 Minimum Capacity 4900mAh / 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 5A BMS Limit 9 Standard Discharge Current 1A @0.2C 10 Max. Discharge Current 9.8A / 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 180g / 18 Special Request / / - Development Timeline Schedule
-
The Development Timeline Schedule of Custom Battery Pack for Medical Devices
You can get in contact with our consultant to get the specific timeline for your custom battery pack solution.Primary Solution
We’ll provide you with the primary solution within one day once we get your questionnaire.
Drawing Release
We’ll provide the first version of the CAD drawing within one day and the CAD drawing show you the battery assembly construction.
Specification Approval
We’ll provide you with the specifications to get the approval within 2 days.
Estimation
We’ll provide an estimation for you to approve within 1 day.
Tooling
We’ll need 8-9 weeks to open the tooling for you if your custom 21700 battery pack for electric bikes needs the customized housing.
BMS Development
We’ll need to make the BMS development within 7-10 days and customized smart BMS development takes 25-30 days.
Sample Release
We’ll need 5 days to make the new sample production before release.
The Sample Shipping Time
We’ll need 4-7 days to ship the sample by UPS.
Certificates
You can get your 21700 battery packs for your medical devices within 2-3 weeks expecting the UL certificate.
More Technical Articles on 21700 Battery Pack
7.4V 5000mAh 21700 Battery Pack for Medical Devices FAQ
How does CMB choose 21700 cells for custom battery pack solutions?
We’ll determine the 21700 cell models according to your needs first. Then we’ll consider the cost to be compatible with the different 21700 cell brands.
Can you provide battery housing for the 7.4V 5000mAh 21700 battery pack for medical devices?
Our primary of the 21700 battery pack is packed by wrap shrink but we also can develop battery housing for your batteries as your needs.
What kind of li ion charger is compatible with 7.4V 5000mAh 21700 battery pack for medical devices?
The 8.4V 2A li-ion charger is compatible.
Do you have the certificates for 7.4V 5000mAh 21700 battery pack for medical devices?
CMB is focusing on custom batteries and we do not have the existing certificates for the 7.4V battery pack for medical devices. 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.
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