Product Details
xMWNKDS 12.8V 120Ah LiFePO4 Battery
4S1P Energy Storage Battery with Built-in 4S 100A Smart BMS
For Campers, Golf Cart, Off-Road, Off-Grid Solar, RV & Backup Power
The MWNKDS 12.8V 120Ah LiFePO4 Battery is a reliable deep-cycle energy storage battery designed for campers, RVs, golf carts, off-road vehicles, off-grid solar systems, marine outdoor use, and backup power applications.
Built with Grade A LiFePO4 cells, a built-in 4S 100A smart BMS, and a durable waterproof-style case, this battery delivers stable output, long cycle life, high safety, and convenient portable use. It is ideal for users who need a ready-to-use 12V battery solution for outdoor power, solar storage, and mobile energy systems.
Key Features
12.8V 120Ah High Capacity
The MWNKDS 12.8V 120Ah LiFePO4 battery provides strong and stable energy output for daily power needs.
Approximate energy:
12.8V × 120Ah = 1536Wh
Suitable for:
Campers
RV power systems
Golf carts
Off-road vehicles
Off-grid solar systems
Backup power
Outdoor energy storage
Marine / outdoor use
Built-in 4S 100A Smart BMS
The battery is equipped with a 4S 100A smart BMS to help protect the battery during operation.
Protection functions:
Over-charge protection
Over-discharge protection
Over-current protection
Short-circuit protection
Temperature protection
Stable cell management
This helps improve battery safety, stability, and service life.
Waterproof-Style Durable Case
The battery features a rugged black case designed for outdoor and mobile use.
Advantages:
Durable shell
Portable carry strap
Top power terminals
Battery status display
Suitable for outdoor applications
Easy to install and carry
Note: The case is designed for outdoor protection, but the battery should not be submerged in water.
100A Continuous Discharge
The battery supports 100A continuous discharge, making it suitable for many medium-to-high power applications.
Performance data:
Nominal Voltage: 12.8V
Rated Capacity: 120Ah
Continuous Discharge: 100A
Instantaneous Discharge: 3C
Charging Voltage: 14.6V
Discharge Cut-off Voltage: 8V
Wide Temperature Performance
The battery is designed for stable performance in different environments.
Charging Temperature: 0°C to 45°C
Discharge Temperature: -10°C to 60°C
Suitable for camping, RV travel, outdoor use, off-road driving, and solar backup power.
Product Specifications
| Item | Specification |
|---|---|
| Brand | MWNKDS |
| Product Name | 12.8V 120Ah LiFePO4 Battery |
| Battery Type | LiFePO4 / Lithium Iron Phosphate |
| Configuration | 4S1P |
| Nominal Voltage | 12.8V |
| Rated Capacity | 120Ah |
| Approx. Energy | 1536Wh |
| Built-in BMS | 4S 100A Smart BMS |
| Charging Voltage | 14.6V |
| Continuous Discharge | 100A |
| Instantaneous Discharge | 3C |
| Discharge Cut-off Voltage | 8V |
| Charging Temperature | 0°C to 45°C |
| Discharge Temperature | -10°C to 60°C |
| Weight | About 10kg |
| Size | 327 × 215 × 170mm |
| Application | Campers, RV, Golf Cart, Off-Road, Off-Grid Solar, Marine, Backup Power |
Application Scenarios
Camper & RV Power
Perfect for campers, RVs, caravans, and travel power systems. It can power lights, small appliances, fans, refrigerators, communication devices, and outdoor equipment when matched with suitable inverters or DC systems.
Golf Cart & Off-Road Use
The 12.8V 120Ah battery can be used for golf carts, off-road vehicles, and outdoor mobile energy systems that require stable power and long service life.
Off-Grid Solar Energy Storage
Suitable for off-grid solar systems and household solar backup. It stores solar energy during the day and provides reliable power when needed.
Backup Power
Ideal for emergency backup power, outdoor lighting, portable devices, camping equipment, and small energy storage systems.
Package Includes
Standard package includes:
MWNKDS 12.8V 120Ah LiFePO4 Battery × 1
Built-in 4S 100A Smart BMS × 1
Connector Set × 1
Portable Carry Strap × 1
Actual accessories may vary depending on product option.
Important Notes Before Purchase
Please confirm compatibility before purchase.
Check before use:
Device voltage requirement
Maximum current demand
Charger compatibility
Inverter compatibility
Positive and negative polarity
Installation space
Application environment
Do not short circuit, reverse polarity, overcharge, over-discharge, disassemble, crush, or immerse the battery in water.
Professional installation is recommended for RV systems, golf carts, solar systems, off-road vehicles, and high-power applications.
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
Secure Packaging
The battery is 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, region, 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 according to local customs policy and order terms.
After-Sales Service
MWNKDS provides customer support for every order.
Our support includes:
Product consultation
Order status assistance
Shipping tracking support
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 must be used under recommended operating conditions.
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 wiring or installation
Use with incompatible charger
Damage caused by overload or misuse
Final Selling Point
Choose the MWNKDS 12.8V 120Ah LiFePO4 Battery for reliable outdoor power, solar energy storage, RV power, golf cart use, off-road applications, and backup energy systems.
With 120Ah high capacity, built-in 4S 100A smart BMS, rugged waterproof-style case, and stable LiFePO4 performance, it is a practical ready-to-use battery solution for daily and outdoor energy needs.
MWNKDS Energy Solutions — Reliable Power for Every Journey.
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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