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The EG4 WallMount 280Ah All-Weather 48V Battery Provides Reliable Energy Storage So That Your Home Or Worksite Stays Powered
When the lights go out, the RV hits the trail, or off-grid adventures call, you need a battery that keeps up. The EG4 WallMount 280Ah All Weather 48V 14.3kWh Battery delivers safe, high-capacity energy so that your home, mobile workspace, or off-grid setup remains fully powered with confidence. This all-weather lithium battery combines durability, advanced safety features, and long-term performance, ensuring your energy never lets you down when it matters most.
Unlike typical lead-acid batteries, which degrade quickly and struggle in extreme temperatures, the EG4 All-Weather battery uses LiFePO₄ chemistry to provide consistent energy output and exceptional lifespan. You’ll enjoy more than 8,000 cycles at 80% depth of discharge, which translates to years of reliable service with minimal maintenance, making it a smarter, longer-lasting solution for both indoor and outdoor applications.
EG4 WallMount 280Ah All-Weather Battery Features
High-Capacity 14.3kWh Lithium Storage So That You Can Power Your Home or RV Longer
With 14.3kWh of storage, this battery keeps lights, appliances, and electronics running during outages or off-grid adventures. Its high energy density means fewer batteries are needed, saving space while delivering steady, reliable power wherever you are.
200A Continuous Output So That You Can Handle High-Demand Loads Without Worry
Support heavy-duty appliances, tools, or multiple devices simultaneously with a continuous 200A output. Unlike weaker batteries that risk voltage drops or overloads, this battery delivers the power your lifestyle or worksite demands.
Long Life 8,000+ Cycle Battery So That You Save Money and Replace Less Often
LiFePO₄ chemistry ensures more than 8,000 cycles at 80% depth of discharge, outlasting traditional lead-acid batteries by years. This translates to unmatched value, fewer replacements, and confidence that your energy investment is built to last.
Integrated Self-Heating So That Cold Weather Never Slows You Down
Winter power challenges are handled with ease. The built-in self-heating feature keeps the battery performing optimally in cold climates, so RVers, off-grid adventurers, and homeowners enjoy dependable energy all year round.
Advanced Safety with EMP and Fire Protection So That You Stay Protected
Dual fire arrestors, EMP protection, and an emergency stop (E-Stop) safeguard your investment, giving you peace of mind. You can deploy this battery in a variety of indoor and outdoor environments with confidence in its safety systems.
Weather-Resistant Design So That You Can Install Indoors or Outdoors Without Compromise
Rugged construction ensures reliable performance regardless of exposure to rain, dust, or heat. Install the EG4 WallMount battery in garages, basements, RV compartments, or outdoor battery enclosures with no concerns about durability.
Real-Time Monitoring with LCD Display So That You Stay In Control of Your Energy
Integrated LCD shows battery status, charge, and health in real-time. Stay informed about your system’s performance without needing additional monitoring tools, making energy management straightforward and stress-free.
EG4 WallMount 280Ah All-Weather Battery Warranty
EG4 provides a limited warranty policy, ensuring the absence of defects in materials, workmanship, and performance during the warranty period.
What's Included
1 x EG4 WallMount Battery
1 x Mounting Bracket
1 x Bracket
6 x Expansion Bolts
2 x Red & Black Battery to Inverter Power Cables (3.3 FT)
EG4 WallMount 280Ah All Weather 48V 14.3kWh Battery Manual
Common Customer Questions
Get answers to the most frequently-asked questions customers ask before placing an order.
Is Outbound Power an Authorized Dealer?
Yes! Outbound Power is an Authorized Dealer for every single brand and product on our store.
How long will it take for my order to arrive?
Shipping times vary depending on your location and the product or products ordered.
Order Processing Time Most products are processed within 1-3 business days. If there is a delay in processing your order, we will alert you with as much information as possible about what to expect.
After order processing is complete, you will receive tracking information to monitor your order while it is in transit.
Order Shipping Time Following processing, it may take between 3 and 8 days to arrive, depending on your location.
Please refer to the product page for your item and reference the estimated delivery time frame for more details.
Additionally, you can see the estimated delivery time frame during checkout and receive a tracking number once your order ships.
What are your shipping rates? Do you offer free shipping?
Everything on our store ships for free. Really!
What is Outbound Power's return policy?
Most items may be returned within 30 days of delivery. Please refer to our Returns & Exchanges policy to determine what items are eligible. Returns are not accepted beyond 30 days following delivery.
Are Outbound Power products used/old/refurbished?
Everything sold on our website is brand-new.
Do you price match?
No — we price BEAT! Please refer to our Price Beat Promise for full details.
Great pricing. When I am ready to upgrade, I plan on doing business with you all again. You value customers and that is greatly appreciated. Thanks for everything.
Thank you for your kind words and support! We’re glad to hear you’re satisfied with our pricing and service. We look forward to assisting you with your upgrade when you’re ready. Thanks again for choosing Outbound Power, and please let us know if we can ever be of service.
Exact fit to the Cummins 4500i small battery compartment.
Thank you for your great review! We're glad the battery fit perfectly and met your expectations. If you need anything else, please don’t hesitate to reach out, we’re always here to help.
Hi Sam, thank you for your fantastic review! We're so glad to hear the Pecron Trolley Kit works great for you. If you need any further assistance, feel free to reach out. Cheers!
This was purchased to run a small compressor when our crews are on job sites where running and moving power cords is inconvenient and time consuming. The generator is lightweight and perfect for the task. We're now investing in a second unit.
Thank you for the great review! We’re glad to hear it is making work easier. We truly appreciate your business. Please let us know if there is anything more we can do to be of service!
I like outbound because they give a good deal discount called. They help when you call nice people when you call the number they answer and help thank you
Hi Melvin, thank you for your kind words! We're glad you had a great experience and appreciate your support. If you need anything else, we're here to help!
Excellent service with excellent pricing. By far the best price I could find on the battery. Delivery arrived in perfect condition. love all the tracking information.
Thank you so much for the kind review! We’re glad we could provide a great price and that everything arrived to your satisfaction. We also appreciate you mentioning the tracking updates. We want every customer to feel informed and confident from order to delivery. Thanks again for choosing Outbound Power and please let us know if we can ever be of service!
Thank you for the positive feedback! We strive to provide excellent customer service and we're glad to hear that you had a great experience with us. We appreciate your support and hope to continue serving you in the future!
Outbound Power did a great job with communication and answered all my presale questions. Shipping was prompt - and was patient with me during a small snafu when my neighbor was being “helpful” and took one of the boxes and neglected to tell me. Great prices too!
Hi James, thank you for taking the time to leave us a review. We are thrilled to hear that you had a positive experience with our team! Thank you for your business and please feel welcome to reach out anytime if we can be of service!
Fantastic service from Jam at Outbound Power made this an easy choice.
We are in the installation phase now and are excited to have a reliable system for our power backup needs.
Thank you for your kind words and for choosing Outbound Power for your backup power needs. We're happy to hear that Jam provided fantastic service and helped make the decision process easy for you. Our goal is always to help customers find a reliable backup power solution that fits their needs.
We’re excited for you to begin the installation phase and are confident you’ll be pleased with the Anker SOLIX E10 Smart Hybrid Whole-Home Backup System. Thank you again for choosing Outbound Power!
This works very well. I can charge my unit and expansion batteries more than twice as fast as using a 120 volt wall outlet. I think it also helps with the battery temperature.
Hi there, thank you for your positive feedback! We're glad to hear that the cable is working well for you and is able to charge your unit and expansion batteries at a faster rate. If we can be of service again, please let us know!