In today’s world, energy independence is more important than ever. With rising electricity costs, grid instability, and increasing demand for sustainable energy solutions, homeowners and businesses are turning to reliable battery storage. Fortress Power’s advanced energy storage solutions provide clean, efficient, and scalable alternatives to traditional power sources, ensuring uninterrupted electricity in any situation.
The following case studies showcase how real customers have used Fortress Power’s battery systems to achieve off-grid independence, seamless backup power, and future-ready energy solutions.
1. Reliable Off-Grid battery Backup Without Solar | Dorado, PR
Site Type: Residential
Key Components: ENVY 8kW Inverter + eForce 9.6 kWh Battery
A homeowner in Dorado, Puerto Rico needed a quiet, emission-free backup power solution without relying on solar panels. The Fortress Power ENVY 8kW inverter and eForce 9.6 kWh battery delivered uninterrupted power without noisy gas or diesel generators. The system is DC-coupled and future-ready, allowing for easy integration with solar panels or a generator when the homeowner decides to expand.
Key Benefits: ➡️ Seamless Backup Power Without Solar: Keeps the home running even before solar installation. ➡️ Quiet & Emission-Free: Eliminates the noise and pollution of fuel-based generators. ➡️ Safe Indoor Placement: Advanced LFP (lithium-iron-phosphate) chemistry ensures safety inside the home. ➡️ Lowers Utility Bills: The homeowner reduced monthly electricity costs to $50 per month with LUMA. ➡️ Future-Ready Design: Easily expandable with solar panels or a backup generator. 👉 Explore the ENVY 8kW Inverter | Learn More about eForce 9.6 kWh Battery
2. Self-Sustaining RV Energy Solution | Aguas Buenas, PR
Site Type: Mobile Home (RV)
Key Components: ENVY 8kW Inverter + eForce 9.6 kWH Battery
Living off-grid in an RV comes with unique energy challenges, including space limitations and the need for fully independent power. A homeowner in Aguas Buenas, PR, needed a compact, self-contained battery system that could supply 100% off-grid electricity—without relying on utility connections or fuel generators.
Key Benefits: ➡️ Compact & Efficient Design: Ideal for small spaces in RVs. ➡️ True Off-Grid Independence: Eliminates the need for diesel, gas, or grid power. ➡️ Safe for Indoor Use: LFP battery spaces. ➡️ Future-Proof: Ready for easy solar panel or generator integration.
3. Upgrading From Portable Units to a Whole-Home Energy System | Ceiba, PR
Site Type: Residential Walk-Up
Key Components: 19.2 kWh Battery Storage, ENVY 8kW Inverter
A growing family in Ceiba, PR, previously relied on small, portable power units totaling just 5.1 kW—which wasn’t enough to support high-demand appliances like dryers and refrigerators. They upgraded to a Fortress Power system with 19.2 kWh storage, ensuring reliable 240V operation for large appliances while maintaining efficiency in their apartment.
Key Benefits: ➡️ Nearly 4x Storage Increase: Upgraded from 5.1 kWh to 19.2 kWh, ensuring ample energy supply. ➡️ Reliable 240V Operation: Supports power-hungry appliances like dryers without interruptions. ➡️ Indoor-Friendly & Safe: Compact LFP design allows installation in apartments. ➡️ Scalable & Future-Ready: The family can expand storage as energy needs grow.
4. Future-Ready Off-Grid Power for a Remote Home | Moca, PR
Site Type: Remote Off-Grid Home
Key Components: 4 x 560W Solar Panels + ENVY 8kW Inverter + eForce 9.6 kWH Battery
For a homeowner in Moca, living completely off-grid was a necessity due to the remote location. With limited internet access and the need for budget-friendly system expansion, the Fortress Power system provided a resilient and scalable energy solution using the existing solar panels.
Key Benefits: ➡️ Reliable Off-Grid Power: Delivers continuous electricity without utility lines. ➡️ Minimal Internet Dependence: Operates smoothly without frequent online updates. ➡️ Budget-Friendly Expansion: Future upgrades can be done incrementally. ➡️ Optimized Solar Efficiency: Maximizes power output from existing 560W solar panels.
Why Fortress Power?
Fortress Power is an industry-leader in battery storage solutions for homes, businesses, and mobile applications. Our LFP battery technology, scalable storage options, and seamless solar integration ensure you always have access to clean, reliable energy—no matter your location or energy needs.
Key Advantages of Fortress Power Systems:
- Unmatched Reliability: Industry-leading battery lifespan and backup power.
- Future-Ready Flexibility: Easily integrates with solar panels, generators, and expanding energy needs.
- Sustainable & Safe: Lithium-iron-phosphate (LFP) technology offers long-term safety and efficiency.
- Proven Real-World Performance: Trusted in homes, RVs, and off-grid locations worldwide.
Ready achieve energy independence? Get in touch with Fortress Power today to explore the perfect battery storage solution for your needs and take control of your energy future.
