— UL Certified | IP65 Rated | Compatible with Sol-Ark Inverter
Within the North American residential energy upgrade trend, storage systems must be efficient and meet rigorous certifications, safety standards, and withstand harsh climates. This case study presents a 28kWh wall-mounted battery system deployed at a US single-family home, serving as a core component for reliable backup power and solar self-consumption. The system is operational and performing well.
Project Background & Energy Needs
Located in an area with noticeable grid instability, the homeowner sought an energy storage system to:
Ensure whole-home power during outages.
Pair with existing solar to increase self-consumption.
Reduce peak-time electricity costs.
Achieve sustainable energy management without the noise and maintenance of generators.
The existing rooftop solar had low utilization, making storage the key upgrade.
System Configuration & Technical Highlights
Configuration Item Parameter Description
Storage Type 28kWh LiFePO4 Wall-Mounted Battery
Application Modes Self-Consumption / TOU Arbitrage / Whole-Home Backup
Installation Location Outdoor Wall Mount (Weather-resistant deployment)
Protection Rating IP65 (Dust and Water Resistant)
Inverter Compatibility Perfectly compatible with Sol-Ark Hybrid Inverter
Standards Certification UL9540 / UL1973 / UL9540A / UN38.3
Operational Performance & Results
The system has demonstrated excellent performance in:
Enhanced Outage Resilience
During a power outage test, the system effortlessly maintained critical loads like air conditioning, lighting, refrigeration, and network equipment, achieving genuine Whole-Home Backup, even sustaining nighttime power needs.
Significant Reduction in Energy Costs
Utilizing the Sol-Ark scheduling strategy:
Daytime solar generation prioritizes charging the battery and powering the home.
Evening peak hours are powered by battery discharge.
Clear savings from peak/off-peak price differentials.
→ Projected annual energy bill reduction of 35–50%+.
Validated Outdoor Weather Resistance
The IP65 design ensures stable operation under various conditions—rain, snow, dust, wind, and seasonal temperature fluctuations—without requiring additional enclosures or weatherproofing.
Solution Value & Market Significance
This case demonstrates a standardized storage configuration adapted to North American residential energy structures, certification requirements, and outdoor environmental conditions. It is suitable for:
Upgrading both new and existing home solar systems.
Reinforcing microgrid designs.
Deploying in high-electricity-rate areas for energy independence.
This solution offers replicability, scalability, and ease of promotion, meeting the needs of residential storage projects in the USAand Canada.
