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3V 7Ah Rechargeable Sodium Ion Battery Cell for Custom Battery Packs

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3V 7Ah Rechargeable Sodium Ion Battery Cell for Custom Battery Packs

Minimum Order Quantity :	2 Packs	Price :	Negotiable
Packaging Details :	Each battery is packed in a protective PE bag with foam cushioning and a strong export carton. Wooden cases or pallets are available for bulk orders.	Delivery Time :	25–35 Working Days
Supply Ability :	2,000 Pieces per Month

Place of Origin:	Hunan,China	Brand Name:	Chalongfly
Certification:	UN38.3, MSDS	Model Number:	CLF-NA-3V-7AH

Product Description

Product Description

Rechargeable Sodium-Ion Battery Cell

3V 7Ah Sodium-Ion Battery Cell

21Wh rechargeable Na-ion cell for custom battery modules, OEM energy solutions and specialized battery pack integration.

3V Nominal Voltage

7Ah Rated Capacity

21Wh Calculated Energy

Sodium-Ion Energy Storage for OEM Battery Projects

Chalongfly offers 3V 7Ah rechargeable sodium-ion battery cell solutions for companies developing custom battery modules and alternative-chemistry power systems.

Sodium-ion batteries use sodium-ion electrochemical technology rather than conventional lithium-ion chemistry. Their charging profile, voltage limits and battery management requirements must be matched to the selected cell design.

The featured 7Ah cell provides a nominal energy class of 21Wh and can be evaluated as a building block for OEM sodium-ion battery packs.

Technical Specifications

Chalongfly Reference Model	CLF-NA-3V-7AH
Product Type	Rechargeable Sodium-Ion Cell
Battery Chemistry	Sodium-Ion (Na-Ion)
Nominal Voltage	3.0V
Rated Capacity	7Ah
Nominal Energy	21Wh, Calculated
Cell Format	According to Selected Cell Model
Charge Voltage	According to Approved Datasheet
Discharge Cut-Off Voltage	According to Approved Datasheet
Charge Current	According to Selected Cell Rating
Discharge Current	According to Selected Cell Rating
Internal Resistance	Subject to Cell Test Data
Cycle Life	According to Approved Test Conditions
Operating Temperature	According to Approved Datasheet
Cell Dimensions / Weight	According to Selected Cell Drawing
Battery Management	External Sodium-Ion BMS for Pack Integration
OEM / ODM	Available for Custom Battery Packs

21Wh Nominal Energy Class

3V × 7Ah = 21Wh Calculated Nominal Cell Energy

The 7Ah sodium-ion cell can be evaluated for modular battery systems where total energy capacity is determined by the final series and parallel configuration.

Actual usable energy depends on voltage under load, discharge current, temperature, cell condition and selected operating limits.

Sodium-Ion Battery Technology

Sodium-ion battery technology provides an alternative electrochemical platform for rechargeable battery products.

Compared with lithium-ion cells, sodium-ion cells require chemistry-specific evaluation of charging voltage, discharge cut-off, energy characteristics and battery management.

Performance is determined by the selected cell's electrode materials, manufacturing design and operating conditions. Charge rates, low-temperature capability and cycle life must be confirmed using actual cell data.

Sodium-Ion Battery Module Integration

A single rechargeable cell can be incorporated into a custom battery module or complete battery pack when its operating characteristics match the electrical system requirements.

Voltage and Capacity Configuration

Battery pack voltage and capacity are engineered through appropriate cell selection and validated series or parallel architecture.

Sodium-Ion Battery Management

A compatible BMS is required to monitor cell voltages, operating temperature and current and to enforce the approved protection thresholds.

Electrical Connection Design

Cell interconnections, current conductors, insulation and protective components must be selected for the approved operating conditions.

Thermal and Mechanical Integration

Enclosure design, mechanical retention, spacing and temperature management depend on the chosen cell construction and battery application.

Potential OEM Battery Applications

Custom Battery Modules Cell-level integration for appropriately engineered rechargeable battery module projects.	Industrial Power Development Alternative battery chemistry evaluation for specialized electrical equipment.
Battery System Prototyping Technical sample evaluation for voltage, capacity, power and battery management design.	OEM Battery Pack Projects Battery integration programs involving cell selection, protection electronics and customized enclosures.

Cell Testing and Engineering Evaluation

Sodium-ion cell qualification is important before integrating cells into multi-cell battery packs or equipment.

Cell model and batch identification
Open-circuit voltage inspection
Capacity measurement under defined conditions
Internal resistance testing
Charge and discharge voltage profile evaluation
Continuous and peak current verification
Operating temperature validation
Mechanical dimensions and terminal inspection
Battery management and protection compatibility

OEM and ODM Sodium-Ion Battery Solutions

Chalongfly provides engineering support for OEM rechargeable battery projects, including sodium-ion battery system integration.

Sodium-ion cell sourcing and specification review
Voltage and energy capacity configuration
Cell matching and quality inspection
Sodium-ion BMS selection and integration
Protection components and electrical interfaces
Custom power and signal wiring harnesses
Battery enclosure and mechanical layout
Temperature monitoring and thermal design
Prototype evaluation and system testing
OEM identification and technical documentation

Frequently Asked Questions

What is the nominal energy of a 3V 7Ah sodium-ion cell?

The calculated nominal energy is 21Wh, based on a nominal voltage of 3V and a rated capacity of 7Ah.

Is sodium-ion the same as lithium-ion?

No. Sodium-ion and lithium-ion batteries are different electrochemical technologies and require appropriate charging and battery management settings.

Can I use a standard LiFePO4 BMS?

A LiFePO4 BMS should not be assumed compatible. The selected BMS must support the actual sodium-ion cell voltage limits, protection thresholds and battery configuration.

What is the maximum charging voltage?

The maximum charging voltage depends on the specific sodium-ion cell chemistry and must be confirmed from the approved cell datasheet.

Is the cell suitable for high-current applications?

High-current suitability depends on the verified continuous and pulse discharge ratings, temperature conditions and application duty cycle.

Can this cell be used at low temperatures?

Low-temperature charge and discharge capabilities depend on the selected cell's test data. Operating temperature limits should be confirmed before use.

Can multiple sodium-ion cells form a battery pack?

Yes. A suitable series and parallel configuration can be developed with compatible cells, a sodium-ion BMS, electrical protection and validated mechanical integration.

Does the single cell include a BMS?

A bare cell does not automatically include a BMS. Battery management and protection are engineered into the final battery pack or connected equipment.

What information is needed for a quotation?

Please provide the cell quantity, intended application, battery voltage, required capacity, continuous and peak current, dimensions, operating temperature, destination country and any OEM integration requirements.

Request a 3V 7Ah Sodium-Ion Battery Quotation

Contact Chalongfly with your sodium-ion cell requirements, required quantity, target battery pack voltage, current demand and application details. Our team can help evaluate cell sourcing, battery management, wiring, protective components and customized sodium-ion battery pack integration.

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