15kW Off-Grid Home Solar Energy Storage System
Tired of complex supply chains and inconsistent product quality? As a leading manufacturer and wholesale supplier, we deliver the robust 15kW Home Solar Energy Storage System directly from our factory to your projects. Designed for installers, distributors, and larger households, this system combines high performance, reliability, and seamless integration. Skip the middleman-enjoy competitive pricing, assured quality, and on-time delivery.
Technical Superiority Built to Last
Our 15kW system is engineered for maximum energy independence. It features high-efficiency monocrystalline panels (up to 23% conversion rate), a durable lithium-ion battery bank (15-20kWh capacity), and an inverter with ≥98% efficiency. The system operates in diverse climates (-20°C to 60°C) and comes with an IP65-rated enclosure, protecting critical components from dust and water. With a 10-year system warranty and 25-year panel performance guarantee, it's a long-term asset, not just a product.
Product Specification Table
|
Specification |
Details |
|
Rated Power |
15kW (expandable) |
|
Battery Capacity |
15 - 20kWh LiFePO4 |
|
Panel Type |
Monocrystalline, 21 - 23% |
|
Inverter Efficiency |
≥98% |
|
Voltage |
120V/240V split - phase |
|
Cycle Life |
6,000+ cycles |
|
Operating Temp |
-20°C to 60°C |
|
Enclosure Rating |
IP65, wall/floor mount |
|
Communication |
WiFi/4G monitoring |
|
Warranty |
10-year system, 25-year panels |
Why Source From Us? Factory-Direct Advantages
Cost-Effective Pricing: As the manufacturer, we offer true wholesale rates with no hidden margins.
Quality Control: Every component is tested in-house, ensuring compliance with international standards.
Supply Stability: No distributor delays-we maintain inventory for reliable, fast turnaround.
Custom Support: We provide technical schematics, installation guidance, and OEM/ODM options for larger orders.
Real Performance, Real Savings
This system significantly reduces electricity bills-some users report savings of 70% or more. With 8-12 hours of backup power, it keeps essential loads running during outages. The scalable design allows for future expansion, and our monitoring app provides real-time data on energy production and consumption.
Fast & Reliable Shipping
We streamline logistics: orders ship within 3-5 business days after confirmation. Standard delivery takes 2-3 weeks globally, with air freight options available. All systems are palletized and securely packaged for safe transit.
Q&A
Q: What's the typical payback period?
A: Most homeowners see a full return on investment within 4-6 years, thanks to major utility savings.
Q: Do you provide installation support?
A: Yes-we offer detailed installation manuals, wiring diagrams, and access to our technical team for certified partners.
Q: Is the system compatible with existing solar setups?
A: Absolutely. It can be integrated with most new or existing solar panel arrays.
Certifications & Compliance
Our system is certified to UL 9540, IEC 62619, CE, and RoHS standards, ensuring safety and performance for global markets.
What Partners Are Saying
"Switching to this 15kW system cut our clients' grid dependence by over 80%. The factory support and consistent quality make it a go-to for our residential projects."– Energy Solutions LLC, Florida
"We've installed 40+ units with zero callbacks. Reliable performance, and the wholesale pricing helps us stay competitive."– GreenTech Installers, Texas
Ready to Order or Need a Quote?
Contact our wholesale team for pricing, bulk discounts, and partnership opportunities. Let's power the future-together.
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