The EG4 WallMount 280Ah Indoor Lithium Battery Delivers Reliable Energy Storage So That Your Power Stays On When It Matters Most
When power outages interrupt your day or energy costs keep climbing, you need a battery system that works quietly in the background and performs when you need it most. The EG4 WallMount 280Ah Indoor Lithium Battery is built for dependable, long-term energy storage, giving homeowners, RVers, and off-grid users confidence and control over their power.
With a robust 14.3kWh capacity, this indoor wall-mounted battery provides consistent backup energy for essential appliances, tools, and systems. Whether you are preparing for outages, optimizing solar usage, or building a complete off-grid setup, this system is designed to keep your life running smoothly.
At its core is advanced lithium iron phosphate chemistry, widely known for its safety, stability, and long lifespan. Unlike traditional lead-acid batteries that degrade quickly and require frequent maintenance, this system delivers over 8,000 cycles at 80% depth of discharge. That means years of reliable performance without constant replacements or upkeep.
EG4 WallMount 280Ah Indoor Lithium Battery Features
High Capacity Energy Storage So That You Can Power More With Confidence
With 14.3kWh of usable energy, this battery supports essential appliances, lighting, and electronics during outages or off-grid use. It gives you dependable power coverage for longer periods without worrying about sudden interruptions.
Long Cycle Life For Reliable Power Over Many Years
Delivering over 8,000 charge cycles at 80% depth of discharge, this system is built for longevity. Compared to traditional batteries, it reduces replacement costs and provides consistent performance year after year.
Advanced Battery Management System For Safe And Stable Operation
The integrated BMS continuously monitors voltage, temperature, and performance to protect your system. This ensures safe operation while maximizing efficiency, helping you get the most out of every charge cycle.
LCD Touchscreen Display So That You Stay In Control At All Times
The built-in display provides real-time data on battery performance, charge levels, and system health. This makes it easy to monitor and manage your energy system without complex tools or guesswork.
Automatic Self Heating For Reliable Performance In Cold Conditions
Cold weather can impact battery efficiency, but the automatic self-heating feature keeps the system operating smoothly. This ensures consistent performance even in lower temperature environments.
Emergency Stop Function For Immediate System Shutdown When Needed
Safety is a priority with the integrated emergency stop feature. It allows you to quickly shut down the system in critical situations, giving you added peace of mind during operation.
Seamless Inverter Integration For Flexible Energy System Design
With RS485 and CANBus communication, this battery connects easily with leading hybrid inverters. It supports both grid-tied and off-grid setups, making it adaptable to a wide range of energy systems.
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.
Exactly as advertised. Bought batteries from numerous other vendors and they were not a replacement for the Onan generator as advertised. Nice to find a company that is honest and real! Definitely be buying from them in the future.
Hi Cliff, thank you for your kind words and trust in our products. We’re delighted to hear that our battery met your expectations. We look forward to serving you again in the future!
Thank you for insurance coverage for my jackery plus 5000 solar generator goddess
Thank you for your kind review! We’re glad we could help with coverage for your Jackery 5000 Plus and appreciate you choosing Outbound Power. We hope it gives you plenty of confidence and peace of mind for years to come!
Very good service. Recommend this vendor and product
Thank you so much for your kind words! We're delighted to hear you're happy with the service and your new Pecron. We appreciate your recommendation and hope to be of service again!
So far so good haven't permanently mounted them yet let you know in 1 month
Hi William, thanks for your update! We're glad to hear you're satisfied so far. Looking forward to hearing how your panels perform after a month. Feel free to reach out anytime!
Hi Greg, thank you for your positive feedback! We're glad the EcoFlow Solar Extension Cable meets your needs and that you experienced reliable service. We appreciate your support.
Works perfectly. Charged from initial 57% to 100% in 20 minutes. It powered our TV and router for 24 hours with 30% battery left. Solar charged to 100% with no problems.
Thank you for your positive feedback! We're glad to hear the power station met your expectations and performed well during your use. If you need any assistance in the future, feel free to reach out.
Thank you for your positive feedback! We're glad the Pecron F3000LFP is meeting your expectations. If you have any questions or need assistance, feel free to reach out.
Thank you for your review! We understand it is an investment, and we are glad to know it brought you peace of mind. We truly appreciate you and your business!
Honest trustworthy site. I would buy from them again.
Thank you for the kind words! We truly appreciate your trust and are grateful for the opportunity to serve you. We would be happy to help again anytime!
