MWNKDS 3.2V 340Ah LiFePO4 Battery Cell

Grade A+ Lithium Phosphate Prismatic Cell | 10000 Cycles | DIY 12V / 24V / 48V Rechargeable Battery

The MWNKDS 3.2V 340Ah LiFePO4 Battery Cell is a high-capacity Grade A+ lithium phosphate prismatic cell designed for DIY battery pack assembly, solar energy storage, RV power, marine power, EV projects, golf carts, forklifts, off-grid systems, home backup power, and renewable energy applications.

With 340Ah high capacity, 3.2V nominal voltage, 10000 cycles at 80% DOD, 0.1–0.3mΩ low internal resistance, and strong discharge performance, this cell is ideal for building reliable 12V, 24V, 48V, and 51.2V battery systems.

Key Features

340Ah High Capacity

The MWNKDS 3.2V 340Ah LiFePO4 cell provides large energy storage capacity for long-lasting power output.

Approximate energy per cell:

3.2V × 340Ah = 1088Wh

Suitable for solar storage, RV power, marine systems, EV projects, home backup power, and DIY energy storage systems.

Grade A+ Prismatic Cell

Built with Grade A+ lithium phosphate cells, this battery offers stable performance, reliable capacity, and long-term consistency.

The aluminum shell structure provides better durability, compact design, and easy integration into battery packs.

10000 Cycles Long Life

The cell supports up to 10000 cycles at 80% DOD under proper use conditions.

Benefits:

Long service life
Lower replacement cost
Stable charge and discharge performance
Ideal for frequent cycling applications
Suitable for solar and off-grid energy storage

Low Internal Resistance 0.1–0.3mΩ

Low internal resistance helps reduce energy loss, improve efficiency, and support stable power output.

Performance advantages:

Lower heat generation
More efficient discharge
Stable current output
Better performance for high-power systems

Strong Discharge Performance

The MWNKDS 340Ah cell supports high current output for demanding applications.

Performance data:

Suggested Constant Current: 160A / 0.5C
Recommended Constant Current: 340A / 1C
Maximum Continuous Discharge Current: 340A / 1C
Maximum Peak Discharge Current: 3C
Charging Method: CC / CV
Charging Voltage: 3.65V
Discharge Cut-off Voltage: 2.5V, minimum 2.0V

Product Specifications

Application Scenarios

Solar Energy Storage

The MWNKDS 340Ah LiFePO4 cell is suitable for solar battery systems, off-grid power systems, home energy storage, and renewable energy projects.

It helps store solar energy and provide stable power for daily use or emergency backup.

RV & Camper Power

Perfect for RV vans, campers, caravans, and outdoor power systems. The high-capacity design supports lighting, refrigerators, inverters, communication equipment, and other travel power needs.

Marine / Boat / Yacht Use

This battery cell can be used for marine energy storage, boats, yachts, and electric boat systems when properly assembled with a compatible BMS and protection components.

EV / Golf Cart / Forklift Power

Suitable for electric vehicles, golf carts, forklifts, electric scooters, and mobility power systems that require stable output and long cycle life.

DIY Battery Pack

The MWNKDS 340Ah cell supports flexible battery pack combinations:

4S = 12.8V system
8S = 25.6V system
12S = 38.4V system
16S = 51.2V system

A compatible LiFePO4 BMS is required for safe charging, discharging, balancing, and system protection.

Package Includes

Standard package includes:

MWNKDS 3.2V 340Ah LiFePO4 Battery Cell × 1
Screws / Tighten Hardware × 1 Set
Copper Plate / Busbar × 1 Set
3240 Insulated Epoxy Board × 1 Set

Actual accessory quantity may vary depending on the selected package option.

Important Notes Before Purchase

This product is a single LiFePO4 battery cell, not a complete battery pack.

To build a safe battery system, you may need:

Compatible LiFePO4 BMS
Copper busbars
Screws and nuts
Insulation board
Battery case or compression fixture
Fuse and protection components
LiFePO4 charger
Inverter or solar controller
Correct wiring and balancing setup

Professional installation is recommended. Incorrect wiring, short circuit, overcharge, over-discharge, reverse polarity, or use without 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 carefully packed to reduce impact, vibration, and transportation damage.

Shipping Channels

Lithium battery products may require special shipping channels depending on destination country, region, order quantity, and logistics route.

Tracking Information

After shipment, tracking information will be provided so customers can check the order status online.

Customs & Import Fees

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 customer 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 LiFePO4 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 the cell condition before assembling it into a battery pack.

FAQ

Q1: Is this a complete battery pack?

No. This product is a single 3.2V 340Ah LiFePO4 battery cell. To build a complete battery pack, you need a compatible BMS, busbars, wiring, charger, case, and protection accessories.

Q2: Can I build a 12V battery system?

Yes. 4 cells in series can be used to build a 12.8V LiFePO4 battery system.

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

Yes. 8S can be used for 24V systems, and 16S can be used for 48V / 51.2V systems. Please use a matching BMS and charger.

Q4: What is the cycle life?

The cell supports 10000 cycles at 80% DOD under proper operating conditions.

Q5: What is included in the package?

The package includes the battery cell, screws / tighten hardware, copper plate, and 3240 insulated epoxy board.

Final Selling Point

Build a powerful, safe, and long-lasting DIY battery system with the MWNKDS 3.2V 340Ah LiFePO4 Battery Cell.

Perfect for RV vans, campers, EV projects, boats, yachts, golf carts, forklifts, solar battery systems, home backup power, and off-grid energy storage.

MWNKDS Energy Solutions — Reliable Power for Every Application.