
200kWh Hybrid LFP+Supercap High Power BESS - Ultra-Fast Grid Response
Key Features
- 200 kWh energy capacity with 400 kW continuous power (2C discharge rate) for high-power applications
- Sub-20-millisecond response time enabled by hybrid LFP+Supercapacitor architecture for Fast Frequency Response
- Over 1 million cycles on supercapacitor module and 6,000+ cycles on LFP battery at 80% DoD
- 96%+ round-trip AC efficiency with bidirectional PCS compliant with IEEE 1547 standards
- Three-tier fire suppression system with UL 9540A certification and comprehensive safety features
Description
The SOLARTODO 200kWh Hybrid LFP+Supercap High Power system represents a paradigm shift in battery energy storage solutions (BESS). Engineered for the most demanding grid-support and industrial applications, this system uniquely combines the high energy density of Lithium Iron Phosphate (LFP) chemistry with the exceptional power density and cycle life of supercapacitors. This hybrid architecture delivers an unparalleled blend of sustained energy delivery and instantaneous power response, achieving a sub-20-millisecond reaction time critical for grid stability services. With a nominal energy capacity of 200 kWh and a continuous power rating of 400 kW, the system achieves a formidable 2C discharge rate, making it an ideal solution for frequency regulation, peak shaving, and maximizing the economic benefits of renewable energy integration.
The core innovation of the SOLARTODO system lies in its sophisticated hybrid design, which strategically leverages the complementary strengths of LFP batteries and electric double-layer capacitors (supercapacitors). This is not merely a co-location of components but a deeply integrated system where the supercapacitor array acts as the primary power buffer, shielding the LFP battery from high-frequency, high-amplitude power fluctuations. The supercapacitor module, capable of over a million charge-discharge cycles with minimal degradation, handles the instantaneous power demands required for services like Fast Frequency Response (FFR). It can absorb or inject power at rates exceeding 20C, responding to grid signals in under 20 milliseconds, a performance metric unattainable by battery-only systems.
Simultaneously, the 200 kWh LFP battery component provides the bulk energy capacity for sustained discharge and energy arbitrage applications. LFP chemistry is renowned for its safety, long cycle life (typically exceeding 6,000 cycles at 80% Depth of Discharge), and thermal stability, as defined by standards like IEC 62619. By delegating the most strenuous power-cycling duties to the supercapacitors, the LFP battery operates in a more stable, optimized state, significantly extending its operational lifespan and preserving its State of Health (SOH). The intelligent BMS and a high-speed DC-DC converter manage the state of charge between the two components, ensuring the supercapacitors are always ready to respond while the LFP battery handles the slower, bulk energy transfers.
The system's 400 kW power rating and 2C C-rate are specifically tailored for high-value grid services and demanding industrial loads. In the context of frequency regulation, the system can provide precise, rapid adjustments to grid frequency, helping maintain stability within the tight operational bands mandated by grid operators (e.g., 50/60 Hz ±0.05 Hz). Its sub-20-millisecond response time meets and exceeds the most stringent requirements for ancillary service markets, unlocking significant revenue streams for asset owners. For industrial facilities, the system can perform peak shaving by discharging during periods of high electricity demand, thereby reducing expensive demand charges which can constitute over 50% of a commercial electricity bill.
Every component of the 200kWh Hybrid system is meticulously selected and integrated to ensure maximum performance and reliability. The system is housed in a standard 20-foot container, providing a plug-and-play solution that significantly reduces on-site installation time and complexity. The 400 kW bidirectional inverter is the heart of the system, managing the flow of power between the BESS, the grid, and local loads. Its advanced topology supports both grid-following and grid-forming modes, and it boasts a Total Harmonic Distortion (THD) of less than 3%, ensuring clean power quality. A sophisticated, multi-level BMS provides real-time monitoring and control of every battery cell and supercapacitor. It manages State of Charge (SOC) and State of Health (SOH) with over 99% accuracy, performs active cell balancing, and provides comprehensive thermal and electrical protection in accordance with UL 1973.
Safety is the paramount design principle of the SOLARTODO energy storage platform. The system incorporates a multi-layered safety architecture that meets and exceeds the strictest international safety standards, including UL 9540, UL 9540A, IEC 62619, UN 38.3, and NFPA 855. The UL 9540A test report confirms the system's robust defense against thermal runaway propagation at the cell, module, and unit level. A three-tier fire suppression system provides comprehensive protection. This includes early gas detection sensors that can trigger an automatic system shutdown, targeted aerosol-based suppression at the module level, and a total-flooding clean agent system for the entire container. This defense-in-depth strategy ensures that in the unlikely event of a cell failure, the incident is contained and mitigated long before it can escalate.
Technical Specifications
| Energy Capacity | 200kWh |
| Usable Energy (90% DoD) | 180kWh |
| Nominal Power Rating | 400kW |
| Peak Power (10s) | 440kW |
| C-Rate | 2C |
| Response Time | <20ms |
| Round-trip Efficiency (AC) | 96% |
| Battery Chemistry | Hybrid LFP + Supercapacitor |
| LFP Cycle Life (80% DoD) | 6000cycles |
| Supercapacitor Cycle Life | 1000000cycles |
| Calendar Life | 15years |
| Depth of Discharge | 90% |
| Operating Temperature Range | -10 to 50°C |
| Cooling System | Liquid Cooling |
| Enclosure Type | 20ft ISO Container |
| Total Harmonic Distortion | <3% |
| Warranty Period | 10years |
| Warranty Capacity Retention | 70% |
| Estimated Payback Period | 3-7years |
| Annual Energy Savings (Commercial) | 15000-25000USD |
Price Breakdown
| Item | Quantity | Unit Price | Subtotal |
|---|---|---|---|
| LFP Battery Cells (200 kWh) | 200 kWh | $55 | $11,000 |
| Supercapacitor Module Array | 1 set | $8,500 | $8,500 |
| Battery Management System (BMS) | 200 kWh | $15 | $3,000 |
| Bidirectional PCS Inverter (400 kW) | 400 kW | $80 | $32,000 |
| DC-DC Converter (400 kW) | 400 kW | $30 | $12,000 |
| Liquid Thermal Management System | 200 kWh | $25 | $5,000 |
| 20ft ISO Container Enclosure | 1 unit | $8,000 | $8,000 |
| Three-Tier Fire Suppression System | 1 unit | $5,000 | $5,000 |
| Energy Management System (EMS) | 1 system | $3,000 | $3,000 |
| Installation & Integration | 200 kWh | $20 | $4,000 |
| System Commissioning | 1 system | $5,000 | $5,000 |
| Total Price Range | $80,000 - $115,000 | ||
Frequently Asked Questions
What makes the hybrid LFP+Supercapacitor system superior to a standard LFP battery?
What is the typical payback period for this 200kWh system?
How does the liquid cooling system improve performance?
Is the system difficult to install and commission?
What are the maintenance requirements for the system?
Certifications & Standards
Data Sources & References
- •UL 9540: Standard for Energy Storage Systems and Equipment
- •UL 9540A: Test Method for Evaluating Thermal Runaway Fire Propagation
- •IEC 62619: Safety requirements for secondary lithium cells and batteries
- •NREL Energy Storage Database 2025
- •IEEE 1547: Standard for Interconnection of Distributed Energy Resources
Project Cases


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