
200kWh Hybrid LFP+Supercap High Power - Ultra-Fast Response Energy Storage
Key Features
- 200 kWh energy capacity with 400 kW continuous power rating (2C discharge) and 800 kW peak power (4C) for 10 seconds
- Ultra-fast response time of less than 20 milliseconds, ideal for fast frequency response (FFR) and grid stabilization services
- Hybrid LFP+Supercapacitor architecture: LFP provides sustained energy, supercaps handle instantaneous power peaks to extend battery life
- Bidirectional 400 kW PCS with >96% round-trip efficiency, IEEE 1547 compliant, supports grid-tied and island mode operation
- Advanced liquid cooling system maintains optimal 15-35°C operating temperature, three-tier fire suppression, UL 9540A tested, 6,000+ cycle life
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 high-power applications. This system uniquely integrates the high energy density of Lithium Iron Phosphate (LFP) chemistry with the exceptional power density and rapid response of supercapacitors. With a nameplate capacity of 200 kWh and a continuous power rating of 400 kW, this 2C-rated system is purpose-built for services that require both sustained energy delivery and sub-cycle response times. It achieves an industry-leading response time of less than 20 milliseconds, making it an indispensable asset for frequency regulation, grid stabilization, and critical load support.
The core innovation of the 200kWh Hybrid system lies in its sophisticated power-energy architecture. Traditional BESS designs face a trade-off between power and energy density. The SOLARTODO system overcomes this by assigning distinct roles to its two energy storage mediums. The robust 200 kWh LFP battery core serves as the primary energy reservoir, providing the sustained discharge capacity needed for energy arbitrage and peak shaving over several hours. LFP chemistry is renowned for its safety, longevity (exceeding 6,000 cycles), and thermal stability, forming a reliable foundation for the system.
Complementing the LFP core is the integrated supercapacitor bank. Supercapacitors, or ultracapacitors, can discharge and recharge massive amounts of power in fractions of a second, a capability far exceeding that of electrochemical batteries. In this hybrid system, the supercapacitors handle the instantaneous, high-frequency power demands characteristic of grid frequency regulation and voltage support. By absorbing rapid power fluctuations, the supercapacitor module shields the LFP battery from high-stress, high-current cycles, which significantly extends the battery's operational lifespan and preserves its State of Health (SOH). This dual architecture allows the system to deliver a continuous 400 kW of power while being capable of peak discharge rates up to 4C (800 kW) for short durations, ensuring grid stability during volatile events.
At the heart of the system is a 400 kW bidirectional inverter, a state-of-the-art PCS that manages the flow of energy between the BESS and the grid. This high-frequency inverter achieves a round-trip efficiency greater than 96%, minimizing energy losses during charge and discharge cycles. It is compliant with IEEE 1547 standards for grid interconnection and can operate seamlessly in both grid-tied mode, for applications like frequency regulation and peak shaving, and island mode, providing resilient backup power to critical facilities during grid outages. The PCS features advanced grid-forming capabilities, enabling it to establish a stable, independent microgrid when disconnected from the main utility.
The system's longevity and performance are guaranteed by a sophisticated Battery Management System (BMS) and a precision-engineered liquid cooling system. The BMS provides real-time monitoring of over 100 parameters per module, including State of Charge (SOC), State of Health (SOH), cell voltage, and temperature. Its active cell balancing algorithms ensure uniform cell aging, maximizing the usable capacity and lifespan of the LFP battery pack. The BMS communicates directly with the PCS and the thermal management system to maintain all components within their optimal operating window, typically between 15°C and 35°C.
For a high-power 2C system of this scale, effective thermal management is critical. The SOLARTODO system employs a closed-loop liquid cooling architecture, which is significantly more effective than air cooling for dissipating the heat generated during high-rate charge and discharge cycles. This approach maintains a consistent temperature across all battery modules, preventing thermal runaway and ensuring predictable performance even under continuous 400 kW operation in ambient temperatures up to 50°C.
Safety is the paramount design principle of the SOLARTODO 200kWh Hybrid system. The unit is engineered to meet and exceed the strictest international safety standards, including UL 9540 for Energy Storage Systems and Equipment and NFPA 855 for the Installation of Stationary Energy Storage Systems. The system has undergone rigorous UL 9540A fire safety testing at the cell, module, and unit level to prove its resilience against thermal runaway propagation. Its three-tier fire suppression system provides comprehensive protection. The first tier involves integrated gas detectors that can sense off-gassing from a failing cell, triggering an immediate system shutdown and isolation procedure. The second tier is a localized aerosol-based suppression agent within each battery rack. Should a fire event occur, this agent is deployed to extinguish the source before it can escalate. The final tier is a total-flooding clean agent fire suppression system for the entire container, providing a fail-safe mechanism to protect the asset and surrounding infrastructure.
The unique capabilities of the 200kWh Hybrid LFP+Supercap system make it ideal for a range of high-value applications. Its primary use case is in ancillary services markets, where its sub-20ms response time allows it to provide fast frequency response (FFR) and regulate grid frequency with unparalleled accuracy, capturing higher revenue streams than slower, conventional BESS. For commercial and industrial clients, the system can drastically reduce electricity costs by performing peak shaving to lower demand charges and engaging in energy arbitrage by charging during off-peak hours and discharging during expensive peak periods. The 400 kW power rating is sufficient to offset significant peak loads for manufacturing facilities, data centers, and large commercial buildings. With system costs approaching competitive benchmarks, the payback period for such an investment can be as low as 3 to 5 years, depending on the local tariff structure and available incentives.
Technical Specifications
| Energy Capacity | 200kWh |
| Power Rating (Continuous) | 400kW |
| Peak Power (10s) | 800kW |
| C-Rate (Discharge) | 2-4C |
| Response Time | <20ms |
| Battery Chemistry | LFP + Supercapacitor |
| Round-trip Efficiency (AC) | >96% |
| Depth of Discharge (DoD) | 90% |
| Cycle Life (90% DoD) | 6000+cycles |
| Calendar Life | 15years |
| Operating Temperature Range | -20 to 50°C |
| Optimal Operating Temperature | 15 to 35°C |
| Cooling System | Liquid Cooling |
| Enclosure Rating | IP54 / NEMA 3R |
| Dimensions | 20-ft ISO Container |
| Warranty | 10 years (70% capacity) |
| Estimated Annual Savings (typical C&I) | 18000-25000USD |
| Payback Period | 3-5years |
Price Breakdown
| Item | Quantity | Unit Price | Subtotal |
|---|---|---|---|
| LFP Battery Cells (200 kWh @ $55/kWh) | 200 kWh | $55 | $11,000 |
| Supercapacitor Modules (High Power) | 1 set | $18,000 | $18,000 |
| Battery Management System (BMS) | 200 kWh | $15 | $3,000 |
| Bidirectional PCS Inverter (400 kW @ $80/kW) | 400 kW | $80 | $32,000 |
| DC-DC Converter (400 kW @ $30/kW) | 400 kW | $30 | $12,000 |
| Liquid Cooling Thermal Management System | 200 kWh | $25 | $5,000 |
| 20ft ISO Container Enclosure (IP54) | 1 unit | $8,000 | $8,000 |
| Three-Tier Fire Suppression System | 1 unit | $5,000 | $5,000 |
| Energy Management System (EMS) Software | 1 system | $3,000 | $3,000 |
| Installation & Commissioning | 1 system | $5,000 | $5,000 |
| Total Price Range | $80,000 - $115,000 | ||
Frequently Asked Questions
What makes a hybrid LFP+Supercapacitor system superior to a standard LFP BESS?
How does the system ensure safety against thermal runaway?
Can this system operate during a grid outage?
What is the typical installation and commissioning timeline?
What kind of maintenance does the system require?
Certifications & Standards
Data Sources & References
- •UL 9540 Standard for Energy Storage Systems and Equipment (2020)
- •IEC 62619 Safety Requirements for Industrial Lithium Batteries (2022)
- •NFPA 855 Standard for Installation of Stationary Energy Storage Systems (2023)
- •IEEE 1547 Standard for Interconnection of Distributed Energy Resources (2018)
- •CATL TENER Product Specifications (2025)
- •NREL Energy Storage Cost Benchmark Report (2025)
- •BloombergNEF Battery Price Survey (2025)
Project Cases


Interested in this solution?
Contact us for a customized quote based on your specific requirements.
Contact Us