MWNKDS 2.95V 75Ah Sodium-Ion Battery Cell

Grade A Rechargeable Sodium-Ion Cell | 6000+ Cycles | For Solar Energy Storage & DIY Battery Packs

The MWNKDS 2.95V 75Ah Sodium-Ion Battery Cell is a new high-performance Grade A rechargeable battery cell designed for solar energy storage, DIY battery pack assembly, RV power, golf carts, camping power, backup storage systems, and custom energy storage projects.

With 2.95V rated voltage, 75Ah capacity, 6000+ cycle life at 80% DOD, <1mΩ low internal resistance, and a wide discharge temperature range of -40°C to 60°C, this sodium-ion battery cell delivers stable power, reliable performance, and long service life for modern energy storage applications.

It supports flexible battery combinations such as 4S / 8S / 12S / 16S / 20S, making it suitable for DIY battery systems with different voltage requirements.

Key Features

75Ah High Capacity

The MWNKDS sodium-ion battery cell provides 75Ah / 75000mAh rated capacity, offering stable energy output for DIY battery packs and energy storage systems.

Approximate energy per cell:

2.95V × 75Ah = 221.25Wh

Suitable for:

Solar energy storage
RV and camper power
Golf cart power
Camping power
Backup storage systems
DIY rechargeable battery packs

Grade A Sodium-Ion Cell

This product uses Original Grade A sodium-ion battery technology, designed for stable performance, reliable capacity, and long-term use.

Sodium-ion chemistry is suitable for users who need a rechargeable energy storage solution with good safety, wide temperature performance, and stable output.

6000+ Long Cycle Life

The battery cell supports over 6000 cycles at 80% DOD under proper operating conditions.

Benefits:

Longer service life
Lower replacement cost
Stable charging and discharging performance
Suitable for frequent cycling applications
Ideal for solar and backup energy storage

Low Internal Resistance <1mΩ

With internal resistance of <1mΩ, the cell helps reduce energy loss and improve power efficiency during charge and discharge.

Performance advantages:

Stable current output
Lower energy loss
Improved efficiency
Reduced heat under proper use
Suitable for DIY battery systems

Strong Discharge Performance

The MWNKDS 2.95V 75Ah sodium-ion cell supports strong current output for demanding power applications.

Performance data:

Standard Discharge Current: 75A
Maximum Continuous Discharge Current: 225A / 3C
Maximum Pulse Discharge Current: 750A / 10S
Maximum Charging Current: 75A
Charging Input Current: 25A
Charging Cut-off Voltage: 3.90V / cell
Discharge Cut-off Voltage: 1.5V / cell
Working Voltage: 1.5V to 3.90V

Product Specifications

Application Scenarios

Solar Energy Storage

The MWNKDS 2.95V 75Ah sodium-ion battery cell is ideal for solar energy storage systems, off-grid power systems, and renewable energy projects.

It helps store clean energy and provides stable power for daily use or emergency backup.

RV & Camper Power

Suitable for RVs, campers, vans, and outdoor power systems. It can support lighting, small appliances, fans, inverters, and mobile energy storage setups when properly assembled into a battery pack.

Golf Cart & Electric Mobility

The cell can be used for golf carts and custom electric mobility battery projects that require stable output and rechargeable energy storage.

Camping & Outdoor Power

Great for portable energy storage systems, camping power stations, outdoor lighting, and emergency power backup.

Backup Storage System

Suitable for backup power supplies, UPS-style energy systems, home emergency power, and custom DIY energy storage projects.

Product Performance Advantages

High Capacity Rechargeable Cell

With 75Ah capacity and approximately 221.25Wh energy per cell, this sodium-ion battery cell is suitable for custom rechargeable battery systems and energy storage projects.

Wide Temperature Performance

The battery supports discharge operation from -40°C to 60°C, making it suitable for outdoor, backup, and renewable energy applications.

Flexible DIY Battery Pack Design

The cell supports multiple series configurations, including 4S / 8S / 12S / 16S / 20S, allowing users to build battery packs for different voltage platforms.

Stable Sodium-Ion Chemistry

Sodium-ion battery technology provides stable output, reliable rechargeability, and good energy storage performance for solar, RV, camping, and backup power applications.

Package Includes

Standard package may include:

MWNKDS 2.95V 75Ah Sodium-Ion Battery Cell × 1
Optional busbars / screws / accessories depending on selected package

For 4PCS options, the package may include:

MWNKDS 2.95V 75Ah Sodium-Ion Battery Cell × 4
Connection accessories according to selected option

Actual accessories may vary. Please check the package option before placing your order.

Important Notes Before Purchase

This product is a single sodium-ion battery cell, not a complete finished battery pack.

To build a safe battery system, you may need:

Compatible sodium-ion BMS
Busbars or connection plates
Screws and fasteners
Insulation materials
Battery case or compression fixture
Fuse and protection components
Compatible sodium-ion charger
Correct wiring and balancing setup

Professional installation is recommended. Incorrect wiring, short circuit, overcharge, over-discharge, reverse polarity, or use without a suitable BMS may damage the battery or create safety risks.

Payment Information

We support secure payment through Shopify checkout.

Available payment methods may include:

Credit Card
Debit Card
PayPal
Shopify Payments
Apple Pay
Google Pay
Other local payment methods shown at checkout

All payment information is processed through secure encrypted payment channels.

Shipping Information

Safe Battery Packaging

Battery cells are packed carefully to reduce vibration, impact, and transportation damage.

Battery Shipping

Battery products may require special shipping channels depending on destination country, order quantity, and logistics route. Delivery time may vary due to customs clearance, local delivery service, weather, or peak season delays.

Tracking Information

Tracking information will be provided after shipment so customers can check order status online.

Customs & Taxes

Import duties, VAT, customs clearance fees, or local taxes may be charged by the destination country. These fees are determined by local customs policy and are usually the buyer’s responsibility unless otherwise stated.

After-Sales Service

MWNKDS provides support for every order.

Our support includes:

Product consultation
Order status assistance
Shipping tracking support
Battery parameter confirmation
Basic installation guidance
Quality issue support
Replacement or refund assistance according to store policy

For damaged or abnormal products, please contact us with:

Order number
Clear photos or videos
Packaging photos
Voltage test data if available
Detailed issue description

After verification, we will provide a suitable solution according to the actual situation and store policy.

Warranty Notice

The battery cell must be used under recommended operating conditions and with a compatible sodium-ion BMS.

The following situations may not be covered by warranty:

Short circuit
Reverse polarity connection
Overcharge or over-discharge
Water damage
Physical impact or deformation
Unauthorized disassembly
Incorrect series or parallel connection
Use without proper BMS protection
Damage caused by incompatible charger or inverter
Improper storage or installation

Please test and confirm all cell voltages before assembling them into a battery pack.

FAQ

Q1: Is this a complete battery pack?

No. This product is a single sodium-ion battery cell. To build a complete battery pack, you need a compatible BMS, busbars, charger, wiring, and battery case.

Q2: Can I build a 12V battery system?

Yes. A 4S configuration can build an approximately 11.8V sodium-ion battery system.

Q3: Can I build 24V or 48V systems?

Yes. 8S can build approximately 23.6V, and 16S can build approximately 47.2V. Please use a suitable sodium-ion BMS and charger.

Q4: What is the cycle life?

The battery supports 6000+ cycles at 80% DOD under proper operating conditions.

Q5: Is it suitable for solar energy storage?

Yes. It is suitable for solar energy storage systems when properly assembled with a compatible BMS, solar controller, charger, and inverter.

Final Selling Point

Build a reliable DIY energy storage system with the MWNKDS 2.95V 75Ah Sodium-Ion Battery Cell.

High capacity, Grade A quality, 6000+ cycle life, low internal resistance, and wide temperature performance make it suitable for solar energy storage, RV power, golf carts, camping power, backup storage, and custom battery pack projects.

MWNKDS Energy Storage Solutions — Reliable Power for Modern Energy Storage.