2.56 kWh · 100 Ah · LFP · Low Voltage ESS · 10yr Warranty
Description
The Volnex Alpha 2.56 is a compact and reliable Low Voltage Energy Storage System (ESS) designed for residential solar applications and backup power. Built with advanced Lithium Iron Phosphate (LiFePO₄) battery technology, it delivers safe, long-lasting performance with intelligent Battery Management System (BMS) protection.
With 2.56 kWh of usable energy, 100 Ah capacity, and the ability to connect up to 16 batteries in parallel, the Alpha 2.56 provides a flexible energy storage solution that can grow with your power requirements.
Key Benefits
- 2.56 kWh usable energy storage
- High-performance LiFePO₄ battery technology
- 100 Ah high-capacity cells
- Intelligent Battery Management System (BMS)
- Supports up to 16 batteries in parallel
- Real-time monitoring via LCD display
- Compatible with leading inverter brands
- Wall-mounted or floor-standing installation
- IP20 indoor protection
- 10-Year Warranty (5 Years Product + 5 Years Service)
Key Features
- Premium Grade LiFePO₄ Battery Cells
- Intelligent Battery Management System
- Auto Aerosol Fire Extinguishing Protection
- Full Automatic Manufacturing Process
- One-Button Start / Stop Operation
- Touch LCD Display
- Real-Time Data Monitoring
- Firmware Update Support
- High Cycle Life (6000 Cycles @ 80% DOD)
- Compact & Space-Saving Design
- Wide Operating Voltage Range
- Safe, Stable & Maintenance-Free Operation
Technical Specifications
| Specification | Details |
|---|---|
| Model | Volnex Alpha 2.56 |
| Battery Chemistry | Lithium Iron Phosphate (LiFePO₄) |
| Usable Energy | 2560 Wh (2.56 kWh) |
| Cell Capacity | 100 Ah |
| Nominal Voltage | 25.6 VDC |
| Operating Voltage | 22.4 – 28.8 V |
| Maximum Charge / Discharge Current | 100 A |
| Display | SOC Status Indicator, LED Indicator, LCD Display |
| Communication | CAN / RS485 / RS232 / Wi-Fi |
| Dimensions (W × D × H) | 360 × 160 × 475 mm |
| Weight | 25 kg (55.12 lbs) |
| Installation | Wall Mounted / Floor Standing |
| Operating Temperature | Charge: 0°C to 50°C • Discharge: -15°C to 50°C |
| Environmental Humidity | ≤95% RH (Non-Condensing) |
| Protection Rating | IP20 |
| Cycle Life | 6000 Cycles @ 80% DOD (25°C, 0.5C, 80% EOL) |
| Warranty | 10 Years (5 Years Product + 5 Years Service) |
| Scalability | Up to 16 Batteries in Parallel |
| Applications | ON Grid / OFF Grid / Backup Power |
| Compatible Inverters | Compatible with Major PCS Brands |
| Certifications | UN38.3 • IEC62619 • IEC61000 |
Applications
The Volnex Alpha 2.56 is ideal for:
- Residential Solar Energy Storage
- Home Backup Power
- Hybrid Solar Systems
- Off-Grid Solar Installations
- Small Commercial Applications
- Energy Cost Optimization
- Peak Shaving
- Smart Home Energy Management
Safety & Reliability
The Alpha 2.56 is engineered with multiple protection mechanisms to ensure dependable operation.
- Integrated Intelligent BMS
- Auto Aerosol Fire Suppression
- Overcharge Protection
- Over-Discharge Protection
- Short Circuit Protection
- Overcurrent Protection
- Temperature Monitoring
- Cell Voltage Balancing
- High Safety LiFePO₄ Chemistry
What’s Included
- Volnex Alpha 2.56 Battery
- User Manual
- Installation Accessories
- Communication Cable
- Warranty Documentation
Downloads
Need Assistance?
Whether you’re planning a new solar installation or upgrading an existing energy storage system, our technical team is ready to help you choose the right Volnex solution.
