204V High Voltage LiFePO4 Energy Storage Battery
57kWh High Voltage LiFePO4 Solution for Commercial and Industrial Applications
The Polinovel 204V high voltage LiFePO4 battery features a modular design for easy installation and flexible capacity expansion. The high voltage control box manages the entire system, while the built-in BMS ensures high safety, stable performance, and long lifespan.Compatible with grid and renewable energy systems, it provides reliable power for businesses, industries, and critical applications.
57
kWh Capacity
6000
+ Cycles @80% DOD
205
V Nominal Voltage
24
Months Payback
Optimized for Your Energy Needs
Improved Energy Efficiency
The high-voltage design reduces current flow during transmission, cutting line losses and delivering more stable energy output for your system.
Optimized Space Utilization
With fewer parallel modules required for the same capacity, the system saves space and simplifies installation in any setting.
Seamless System Integration
High-voltage architecture allows smooth connection with solar, hybrid, and grid systems, improving response speed and overall stability.
Long-term Cost Savings
Efficient energy transfer, extended cycle life, and minimal maintenance contribute to lower operational costs over the battery's lifetime.
Specification
| Model | HV204280 |
| Nominal Voltage | 204.8V |
| Nominal Capacity | 280Ah |
| Energy | 57KWh |
| Charge Cut-off Voltage | 230V |
| Discharge Cut-off Voltage | 160V |
| Charge Current | 100A |
| Max. Constant Discharge Current | 100A |
| Peak Discharge Current | 150A @10mS |
| Communication | RS485/CAN |
| Dimension | 850*770*1450 mm / 33.5*30.3*57.1 in |
| Weight | 620 kg / 1367 lbs |
| Charge Temperature | 0~45ºC |
| Discharge Temperature | -15~60ºC |
| Storage Temperature | 0~45ºC |
Listed by Leading Inverter Brands
Our batteries are officially listed as compatible by several globally recognized inverter manufacturers. Each product has undergone rigorous testing and validation to ensure seamless communication, reliable operation, and full compatibility across diverse inverter platforms.
Core Functions
The HV204280 incorporates advanced battery management, dynamic load balancing, multi-layer safety protection, and remote cloud management capabilities.
Intelligent BMS
Real-time monitoring of individual cell voltages and temperatures, with SOC/SOH estimation for reliable battery operation
Business Value
Prevents thermal runaway risks, optimizes battery life, and ensures stable performance over thousands of cycles
Dynamic Load Balancing
Active and passive balancing to maintain uniform cell voltage, maximizing usable capacity
Business Value
Reduces capacity loss from cell imbalance and improves overall system efficiency
Multi-layer Safety
Integrated protections including overvoltage, undervoltage, overcurrent, overtemperature, short circuit, and insulation detection
Business Value
Ensures compliance with safety standards and minimizes operational risks
Remote Cloud Management
Supports 4G/Ethernet connectivity for remote monitoring, historical data storage, and mobile app access
Business Value
Simplifies maintenance, reduces on-site inspections, and enables data-driven system management
System Architecture
BMS Master Control
CAN/RS485 Bus
High Voltage Battery Pack
DC Distribution Output
Inverter/Load
Application Scenarios
The HV204280 is versatile enough to address various energy storage needs across commercial, industrial, and remote applications.
Commercial & Industrial Peak Shaving
Manufacturing facilities and industrial sites charge during off-peak hours and discharge during peak periods, optionally integrating with solar generation systems
Pain Point Addressed
High electricity costs due to peak demand and large peak-valley rate differences
Key Features
- Intelligent charge/discharge strategy
- Power curve optimization
- Demand management
Expected Results
- Significant reduction in monthly energy costs
- Noticeable decrease in peak demand
- Investment payback typically within 1.5–2.5 years
Data Center UPS Backup
Replaces traditional lead-acid batteries for short-term backup power in critical facilities such as data centers or telecom hubs
Pain Point Addressed
Traditional backup systems are bulky, require frequent maintenance, and have limited lifespan
Key Features
- Millisecond-level switchover
- Deep discharge capability
- Wide temperature adaptability
Expected Results
- Extended backup availability
- Reduced footprint compared to legacy batteries
- Lower total cost of ownership over system lifetime
Microgrid Off-Grid Systems
Remote or island installations combining batteries with renewable sources (solar, wind) and optional generator backup to ensure 24-hour power supply
Pain Point Addressed
Diesel generators run excessively, incurring high fuel costs and emissions
Key Features
- Automatic grid-tied/off-grid switching
- Black start capability
- Renewable energy smoothing
Expected Results
- Reduced generator runtime
- Lower fuel usage and emissions
- Extended generator lifespan
EV Charging Station Energy Storage
Paired with fast chargers to shift charging load to off-peak hours, avoiding costly grid upgrades
Pain Point Addressed
Grid capacity limits and transformer upgrade costs can delay deployment of additional chargers
Key Features
- Peak shaving and valley filling
- Instantaneous power support
- Charging load forecasting
Expected Results
- Avoids immediate infrastructure expansion
- Reduces peak grid load
- Improves station operational efficiency
Deployment & Operations
Flexible installation options and comprehensive operational guidelines ensure seamless integration and reliable performance.
Installation Methods Comparison
| Method | Advantages | Suitable Scenarios |
|---|---|---|
| Floor-Standing Installation | Quick deployment, no structural reinforcement needed | Indoor equipment rooms, containers, workshops |
| Wall-Mounted (Custom) | Saves floor space, flexible placement | Compact distribution rooms, telecom or retail closets |
| Outdoor Cabinet Integrated | IP54–IP65 protection, -15°C~60°C discharge operation | Rooftop, open-air, or remote outdoor sites |
Network Planning Guidelines
Device Density
Single RS485 bus supports up to 32 battery systems; use 1 gateway per 20 units for cloud monitoring
Bandwidth Requirements
Monitoring data traffic <1 Mbps/system; standard 100 Mbps LAN sufficient
Coverage Range
RS485 up to ~1.2 km (with repeater); Ethernet recommended <100 m
Maintenance Schedule
Daily
Remote review of SOC/voltage/temperature logs
Weekly
Inspect ventilation system, clean filters
Monthly
Fastener inspection, insulation resistance testing
Duration: 45 minutes
Quarterly
Balancing maintenance operation, software version updates
Duration: 2 hours
Annually
Capacity testing (actual vs. nominal), replace wearing parts
Duration: 4 hours
Competitive Advantages
The HV204280 outperforms traditional lead-acid batteries and competing energy storage solutions in key performance metrics and total cost of ownership.
vs Traditional Lead-Acid Battery Solutions
| Dimension | HV204280 Lithium System | Lead-Acid Battery Bank |
|---|---|---|
| Cycle Life | 4000-6000 cycles @80% DOD | 300-500 cycles @50% DOD |
| Energy Density | 91.9Wh/kg | 35Wh/kg |
| Charging Time | 2 hours | 8-10 hours |
| Maintenance Workload | 4 hours/year | 48 hours/year |
| Temperature Adaptability | -15°C~60°C | 15°C~25°C optimal |
Automotive-Grade Manufacturing
Adopts advanced 4P technology (Pack/Platform/Process/Protection) similar to automotive-grade production lines, achieving industry-leading cell consistency and very low defect rates, far surpassing typical industrial averages.
High Voltage Architecture
204.8 V high-voltage design significantly reduces current losses compared to common 51.2 V solutions, lowering inverter and cabling costs and improving overall system efficiency.
Smart High Voltage Control Box
The high-voltage control box enables real-time monitoring of the entire battery system and provides intelligent management, enhancing both the safety and operational efficiency of the energy storage system.
Support & Services
Comprehensive support and services ensure maximum uptime and long-term performance of your HV204280 energy storage system.
Warranty
5-year warranty (capacity retention ≥80%)
Expected Lifespan
15-20 years (depending on usage conditions)
Support Channels
24/7 technical hotline
Response Support
Dedicated technical team provides rapid troubleshooting and guidance
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