Home Battery For Solar System
High-efficiency 51.2V LiFePO₄ system using 100Ah cells provides consistent energy output, enhanced safety, and a durable service life exceeding 15 years.
Modular and expandable configuration supports capacity growth from 5kWh to 30kWh+ via parallel connections, with options for wall or floor placement.
Space-saving compact cabinet with passive natural cooling provides whisper-quiet performance and easy residential integration.
Smart energy independence through deep discharge capability and seamless solar integration reduces electricity costs and guarantees dependable backup.
Residential Energy Storage System (FZ-RES-W1-5~30K)
Product Details
Embrace real energy self-reliance through Fanzai's premium residential storage solution, centered on elite LiFePO₄ technology expandable from 5 kWh to beyond 30 kWh. The smart system optimizes everyday usage and emergency backup, featuring modular construction for wall or floor installation, noiseless passive cooling, and deep discharge to extract maximum value from every kWh.
This design offers homeowners more than 15 years of long-lasting performance, proactive safety monitoring, and simple parallel scalability — housed in a sophisticated metal enclosure that blends perfectly into garages or utility rooms while achieving considerable reductions in power expenses through intelligent solar hybridization.
With this advanced system, ordinary homes become powerful, environmentally responsible energy fortresses, providing exceptional longevity and low-maintenance performance.
Product Advantages
High-stability performance guaranteed by the 44.8–57.6 Vdc operating voltage range.
Core efficiency maximized at the standard 51.2 Vdc nominal voltage.
100 Ah per cell provides exceptional durability and sustained energy capacity.
Maximum charging voltage of 57.6 Vdc delivers safe and dependable charging.
Energy flows effortlessly thanks to nominal discharge currents of 80A–160A.
Nominal currents spanning 50A to 160A provide fast, high-efficiency charging.
Portable design with weights spanning 45 kg to 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
About Factory




