Home Battery Backup without Solar
Premium-grade LiFePO₄ technology with 51.2V nominal and 100Ah cells provides unwavering stability, top safety ratings, and an extended lifespan over 15 years.
Scalable modular configuration starts at 5kWh and extends beyond 30kWh through parallel linking, suitable for wall or floor placement.
Sleek, compact cabinet with passive cooling technology delivers silent operation and easy, space-efficient residential installation.
Energy-independent design featuring deep discharge capability and solar hybrid compatibility reduces electricity costs and ensures reliable backup supply.
Residential Energy Storage System (FZ-RES-W1-5~30K)
Product Details
Discover real energy freedom through Fanzai's residential battery storage, powered by superior LiFePO₄ cells that scale smoothly from 5 kWh to over 30 kWh. It features intelligent controls for optimal daily use and emergency readiness, a versatile modular design for wall or floor installation, completely silent natural cooling, and deep discharge capability.
Homeowners benefit from a battery life well over 15 years, advanced safety monitoring systems, and straightforward parallel expansion capabilities, housed in a modern metal cabinet that integrates smoothly into garages or utility areas and generates major electricity savings with optimized solar hybridization.
The flexible design turns everyday homes into powerful, environmentally responsible energy stations, delivering long-lasting reliability and hassle-free maintenance.
Product Advantages
Steady and predictable performance guaranteed within 44.8 to 57.6 Vdc voltage limits.
Designed for peak performance with an optimal nominal voltage of 51.2 Vdc.
Built with 100 Ah cells for robust, sustained, and dependable energy delivery.
Enjoy confident charging with a maximum allowable voltage of 57.6 Vdc.
Seamless energy flow guaranteed with discharge currents of 80A to 160A nominal.
Nominal currents from 50A to 160A enable fast, reliable, and efficient charging.
Lightweight yet high-performance: weights between 45 kg and 310 kg for simple handling.
Technical Parameters
Feature | FZ-RES-W1-5K |
Battery Module | FZ-RES-W1-5K |
Total Energy | 5.12 kWh |
Usable Energy | 4.86 kWh |
Configuration | 16S |
Rated Capacity | 100 Ah |
Nominal Voltage | 51.2 V |
Voltage Range | 44.8 ~ 57.6 V |
Charge Voltage | 57.6 V |
Nominal Charge Current | 50 A |
Nominal Discharge Current | 80 A |
Peak Short-circuit Current | 474.17 A |
DOD | 95% |
Cycle Life | ≥8000 cycles |
Communication Interface | CAN / RS485 / WiFi |
Max Parallel Quantity | 6 |
Cooling Method | Natural Cooling |
Installation Method | Wall-mounted / Floor-standing |
Operating Temperature (Charge) | 0 ~ 52 ℃ |
Operating Temperature (Discharge) | -15 ~ 52 ℃ |
Dimensions (H×W×D) | 640 × 420 × 160 mm |
Net Weight | 45 kg |
IP Rating | IP20 |
Protection Class | Class I |
Application | Indoor |
Certifications | UN38.3 / CE-EMC / CE-RED / CB / IEC62619 |
Application scenarios
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