Product Details
xMWNKDS 4PCS 3.2V 150Ah LiFePO4 Battery Cell
Lithium Iron Phosphate Rechargeable Cells for DIY Battery Pack, Solar Energy Storage, RV, Marine & Backup Power
The MWNKDS 4PCS 3.2V 150Ah LiFePO4 Battery Cells are designed for DIY battery pack building, solar energy storage, RV power systems, marine use, golf carts, electric vehicles, inverters, off-grid power systems, and home backup energy solutions.
Each cell features 3.2V nominal voltage, 150Ah rated capacity, Grade A quality, 4000+ cycle life, and low internal resistance ≤0.25mΩ, delivering stable power output and long-lasting performance for energy storage projects.
With 4 cells connected in series, users can build a 12.8V 150Ah LiFePO4 battery system, ideal for DIY solar battery packs, RV batteries, camper power, marine batteries, and backup power systems.
Key Features
4PCS 3.2V 150Ah Battery Cells
This package includes 4 pieces of 3.2V 150Ah LiFePO4 battery cells, suitable for building a 12V-class battery pack.
Approximate single-cell energy:
3.2V × 150Ah = 480Wh
Approximate 4S system energy:
12.8V × 150Ah = 1920Wh
Actual usable energy may vary depending on BMS settings, charging system, temperature, inverter efficiency, and depth of discharge.
Grade A LiFePO4 Cells
MWNKDS LiFePO4 battery cells are selected for reliable performance, stable capacity, and consistent output. Grade A cells are suitable for energy storage systems that require long-term safety and dependable power delivery.
4000+ Cycle Life
The battery cells support 4000+ cycles under proper operating conditions, helping reduce replacement frequency and long-term usage cost.
Ideal for:
Solar energy storage
RV and camper power
Marine battery systems
Golf carts
Off-grid power
Backup power systems
DIY rechargeable battery packs
Low Internal Resistance ≤0.25mΩ
Low internal resistance helps improve discharge efficiency, reduce energy loss, and provide stable power output during operation.
Performance benefits:
Lower energy loss
Better current output
Reduced heat generation
Stable voltage performance
Suitable for DIY high-capacity battery systems
Stable Continuous Discharge
Each cell supports 142A continuous discharge, making it suitable for power systems that require stable output.
Main performance data:
Continuous Discharge: 142A / 1C
Charging Voltage: 3.65V
Discharge Cut-off Voltage: 2.5V
Internal Resistance: ≤0.25mΩ
Charging Temperature: 0°C to 60°C
Discharge Temperature: -30°C to 60°C
Product Specifications
| Item | Specification |
|---|---|
| Brand | MWNKDS |
| Product Name | 4PCS 3.2V 150Ah LiFePO4 Battery Cells |
| Battery Type | LiFePO4 / Lithium Iron Phosphate |
| Cell Type | Prismatic Rechargeable Cell |
| Cell Grade | Grade A |
| Quantity | 4PCS |
| Nominal Voltage | 3.2V per cell |
| Rated Capacity | 150Ah per cell |
| Approx. Energy | 480Wh per cell |
| 4S Battery System | 12.8V 150Ah |
| Internal Resistance | ≤0.25mΩ |
| Cycle Life | 4000+ Cycles |
| Continuous Discharge | 142A / 1C |
| Charging Voltage | 3.65V |
| Discharge Cut-off Voltage | 2.5V |
| Charging Temperature | 0°C to 60°C |
| Discharge Temperature | -30°C to 60°C |
| Weight | 2.58 ± 0.1kg per cell |
| Size | 150 × 70 × 122mm per cell |
| Application | Solar, RV, Camper, Marine, Golf Cart, EV, Inverter, Backup Power, DIY Battery Pack |
Application Scenarios
Solar Energy Storage
Perfect for solar energy storage systems, off-grid solar power, home solar backup systems, and renewable energy projects. Store clean energy during the day and use it when needed.
RV / Camper Power
Ideal for RV vans, campers, caravans, and travel power systems. Provides stable power for lighting, refrigerators, fans, communication equipment, and inverters.
Marine / Boat Use
Suitable for marine battery systems, boats, yachts, and electric boat power projects when assembled with proper waterproof protection, BMS, and safety components.
Golf Cart / EV / Mobility Power
The MWNKDS 150Ah LiFePO4 cells can be used in golf carts, electric vehicles, electric scooters, mobility equipment, and custom electric power systems.
DIY Battery Pack
Use 4 cells in series to build a 12.8V 150Ah LiFePO4 battery pack.
Common system options:
| Configuration | System Voltage | Note |
|---|---|---|
| 4S | 12.8V | Requires 4 cells |
| 8S | 25.6V | Requires 8 cells |
| 16S | 51.2V | Requires 16 cells |
A compatible LiFePO4 BMS is required for safe charging, discharging, balancing, and protection.
Package Includes
Standard package includes:
MWNKDS 3.2V 150Ah LiFePO4 Battery Cell × 4
Busbars / Copper Plates × 1 Set
Screws / Nuts × 1 Set
Insulation Board × 1 Set
Actual accessories may vary depending on selected package option.
Important Notes Before Purchase
This product is a battery cell set, not a complete finished 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 cause 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 with protective materials to reduce vibration, impact, and transportation damage.
Battery Shipping
Lithium 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 cells 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 all cell voltages before assembling them into a battery pack.
FAQ
Q1: Is this a complete battery pack?
No. This product includes 4PCS 3.2V 150Ah LiFePO4 battery cells. You need a compatible BMS, busbars, charger, wiring, and case to build a complete battery pack.
Q2: Can I build a 12V battery system?
Yes. 4 cells connected in series can build a 12.8V 150Ah LiFePO4 battery system.
Q3: Can I build 24V or 48V systems?
Yes. 8 cells are required for a 24V system, and 16 cells are required for a 48V / 51.2V system.
Q4: Is it suitable for solar storage?
Yes. It is suitable for solar energy storage when properly assembled with a BMS, solar controller, charger, and inverter.
Q5: What is included in the package?
The package includes 4 battery cells plus accessories such as busbars / copper plates, screws / nuts, and insulation board depending on the product option.
Final Selling Point
Build a powerful and reliable DIY battery system with the MWNKDS 4PCS 3.2V 150Ah LiFePO4 Battery Cells.
Perfect for solar energy storage, RV vans, campers, EV projects, boats, yachts, golf carts, forklifts, backup power, and off-grid energy systems.
MWNKDS Energy Solutions — Reliable Power for Every Application.
Additional Information
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Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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