Volnex HV Sun Series · 7.10–21.31 kWh · 192–576V · LiFePO₄ · IP54 · High Voltage Residential ESS
Description
High Voltage Residential Energy Storage System
The Volnex HV Sun Series is a modular High Voltage Residential Energy Storage System (ESS) designed for homeowners seeking reliable, scalable, and intelligent solar energy storage.
Built with premium Lithium Iron Phosphate (LiFePO₄) battery technology, the HV Sun Series delivers exceptional safety, long service life, and flexible capacity expansion. Available in five modular configurations ranging from 7.10 kWh to 21.31 kWh, the system adapts to growing household energy requirements without replacing the entire battery system.
Designed for both hybrid and off-grid applications, the HV Sun Series offers Wi-Fi monitoring, automatic configuration, modular expansion, IP54 protection, and compatibility with leading inverter brands.
Key Benefits
- Modular capacity from 7.10–21.31 kWh
- Premium LiFePO₄ battery technology
- High voltage residential ESS
- Stackable modular design
- Remote monitoring via Wi-Fi
- Auto configuration
- Indoor & outdoor installation
- IP54 protection
- Up to 12 towers expandable in parallel
- 6000+ cycle life
- Wide inverter compatibility
- Smart Battery Management System
Key Features
- Built-in Wi-Fi APP Monitoring
- Remote Monitoring & OTA Upgrade
- Automatic Configuration
- Wireless Stackable Expansion
- High Voltage Architecture
- LiFePO₄ Safety Chemistry
- CAN & RS485 Communication
- IP54 Outdoor Protection
- High Energy Density
- Low Maintenance Design
- Expandable up to 12 Towers
- Compatible with Major Hybrid Inverters
Why Choose Volnex HV Sun Series?
The HV Sun Series provides homeowners with a future-ready battery platform that grows alongside increasing energy demands. Its modular architecture eliminates unnecessary upfront investment while ensuring dependable performance, easy installation, and seamless integration with modern residential solar systems.
Technical Specifications
| Specification | S7 | S10 | S14 | S17 | S21 |
|---|---|---|---|---|---|
| Battery Chemistry | LiFePO₄ | LiFePO₄ | LiFePO₄ | LiFePO₄ | LiFePO₄ |
| Battery Modules | 2 | 3 | 4 | 5 | 6 |
| Nominal Energy | 7.10 kWh | 10.66 kWh | 14.21 kWh | 17.76 kWh | 21.31 kWh |
| Usable Energy | 6.745 kWh | 10.127 kWh | 13.499 kWh | 16.872 kWh | 20.245 kWh |
| Operating Voltage | 168–219V | 252–328V | 336–438V | 420–547V | 504–657V |
| Nominal Voltage | 192V | 288V | 384V | 480V | 576V |
| Capacity | 37Ah | 37Ah | 37Ah | 37Ah | 37Ah |
| Max Charge/Discharge | 4.26kW | 6.39kW | 8.52kW | 10.65kW | 12.78kW |
| DOD | 95% | 95% | 95% | 95% | 95% |
| Dimensions | 504×380×700 mm | 504×380×900 mm | 504×380×1100 mm | 504×380×1300 mm | 504×380×1500 mm |
| Weight | 105kg | 146kg | 187kg | 228kg | 269kg |
General Specifications
- Charging Temperature: 0°C ~ 50°C
- Discharging Temperature: -10°C ~ 50°C
- Communication: CAN / RS485
- Cycle Life: 6000+ Cycles
- Protection Rating: IP54
- Color: White
- Battery Module: V-9637HV
- Expansion: Up to 12 Towers
- Compatible Inverters:
- Deye
- Goodwe
- Solis
- Growatt
- SAJ
- Solplanet
- Hoymiles
- ATESS
- Sinexcel
- Kostal
- Sunways
- Solinteg
- Sineng
- and other leading inverter brands.
Applications
- Residential Solar Systems
- Hybrid Solar Installations
- Off-Grid Homes
- Backup Power
- Smart Homes
- Energy Cost Reduction
- Peak Shaving
- Time-of-Use Optimization
Safety & Reliability
The Volnex HV Sun Series is engineered with advanced protection systems to deliver dependable and secure energy storage.
- Intelligent Battery Management System (BMS)
- Overcharge Protection
- Over-Discharge Protection
- Short Circuit Protection
- Overcurrent Protection
- Overtemperature Protection
- High Safety LiFePO₄ Cells
- IP54 Enclosure
- Long-Life Battery Technology
What’s Included
- HV Sun Battery Tower
- Battery Modules
- BMS
- Communication Cable
- User Manual
- Installation Guide
- Warranty Documentation
Downloads
📄 HV Sun Series Datasheet (PDF)
Need Assistance?
Need help selecting the right HV Sun Series model?
Our energy storage experts can recommend the ideal battery configuration based on your home’s energy consumption, inverter compatibility, and future expansion plans.
