BigBattery · 12 products
BigBattery
BigBattery is a trusted name in the solar energy industry, offering cutting-edge battery solutions for residential and commercial applications. With a focus on performance, reliability, and sustainability, BigBattery delivers high-capacity energy storage systems that maximize the efficiency of solar power generation.
- 4.8 · 3,000+ reviews
- Free lifetime support
- Ships from U.S. warehouses
12 products9 in stock, shown first
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BigBattery NEXUS 14.3kWh 48V LiFePO4 Battery
$2,845.00
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BigBattery ETHOS 12kW Energy Storage Systems
From $7,847.25
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BigBattery 48V ETHOS Stackable Battery [Choose Capacity: 10kWh-30kWh]
From $280.00
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Free sizing help
Not sure what you need? Talk it through with us.
Tell us what you want to power and we will size the system with you, free, before and after you buy. Alex and the team pick up the phone Mon–Thu 10am–5:30pm and Fri 10am–1pm EST.
ShopSolar support team
About this range
About BigBattery
BigBattery is a trusted name in the solar energy industry, offering cutting-edge battery solutions for residential and commercial applications. With a focus on performance, reliability, and sustainability, BigBattery delivers high-capacity energy storage systems that maximize the efficiency of solar power generation. These advanced lithium-ion batteries are designed to store excess solar energy for use during peak demand or when the sun is not shining, providing reliable backup power and reducing reliance on the grid. Enjoy uninterrupted power supply, lower energy costs, and a greener, more sustainable future.
Choose BigBattery for superior energy storage solutions that meet your power needs.
Can you help with system sizing and design?
Yes. Our team can help you choose the right solar kit based on your goals, power needs, and location. We provide personalized guidance before and after your purchase at no additional cost.
Are your systems DIY-friendly?
Many of our customers complete the majority of installation themselves using our diagrams and support resources. For final electrical connections, a licensed electrician may be required depending on local codes.
Do you offer installation services?
While we do not directly install systems, we can help connect you with qualified local professionals and provide technical documentation to support your installer.
How does shipping and fulfilment work?
Our team works hard to process all orders within 24-48 hours. Most products ship directly to your door using the quickest, most cost effective ground shipping services depending on size. You'll receive tracking details and delivery coordination as soon as your order ships. Our average shipping times are anywhere from 3-7 days.
What is your return policy?
Our return policy is normally 30 days. If you have specific questions about returns, eligibility, or specific product conditions, you can learn more in our help center.
How do warranties work?
All products are backed by full manufacturer warranties. In addition, our team provides free lifetime technical support to assist you throughout the life of your system.
Do you offer financing?
Yes! We offer a variety of flexible payment plans to fit any budget. Options include monthly financing with competitive interest rates, and some plans require no money down. You can apply during checkout and get approved in minutes.




























































