EPower Series - RKP Storage

Large-scale, High-capacity

electrical-grid

Built for daily electrical-grid operation and higher asset utilization
Designed for long-duration, utility-scale value creatior
Engineered to reduce lifecycle cost exposure at scale
Safer siting to reduce permitting and project-delay risk
Standards-aligned deployment for predictable gridscale integration

Key Features

Safety

RKP's VFBs are non-flammable, have a low risk of thermal runaway, making them one of the safest energy storage options.This ensures safe operation in all environments, including urban areas,industrial sites, and residential neighborhoods.

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Long Lifespan

RKP's VFB systems are designed for durability, offering a lifespan of over 25 years with minimal capacity degradation.

This longevity ensures a lower total cost of ownership and consistent performance over time.

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Environmental Impact

Committed to sustainability, RKP's VFB systems use vanadium, a recyclable and abundant element. The non-toxic and environmentally friendly nature of our batteries supports your green initiatives and reduces your carbon footprint.

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Low Degradation

RKP's VFB systems feature low capacity degradation over time, maintaining consistent performance throughout their lifespan.

This ensures long-term reliability and reduces the need for frequent replacements, resulting in significant cost savings.

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Data and Performance

Product Name	EPower
Rated Capacity	2660kWh	4000kWh	2660kWh	4000kWh
Rated Power	667kW		333kW
Container Configuration	Power Container1 Capacity container2	Power Container1 Capacity container3	Power Container1 Capacity container2	Power Container1 Capacity container3
Rated DC RTE	80% (excluding self-consumption)
DC Voltage Range	DC312-499V
Max. DC Current	2137A		1069A
Operating Ambient Temperature	-35℃~+45℃ (other temperatures optional)
Storage Temperature	0℃~+50℃
Operational Altitude	<2,000 meters
Cycle Life	>25 years / 20,000 cycles
Communication	Modbus-TCP
IP Grade	Equivalent to IP65
Auxiliary Power	380V/AC, 50Hz, Three-phase Shutdown: ≥200W, Operation: 16kW-40kW
Design Standards	IEC62932-2-1; IEC62932-2-2; IEC-62933-5-2; CE; UL1973;
Product Dimension	12.192m(L)x6.058m(W) x5.925m(H)	12.192m(L)x8.650m(W) x5.925m(H)	12.192m(L)x6.058m(W) x5.925m(H)	12.192m(L)x8.650m(W) x5.925m(H)

Product Name	EPower
Rated Capacity	1920kWh	2880kWh
Rated Power	480kW
Container Configuration	Power Container1 Capacity container2	Power Container1 Capacity container3
Rated DC RTE	80% (excluding self-consumption)
DC Voltage Range	DC312-483V
Max. DC Current	1539A
Operating Ambient Temperature	-35℃~+45℃ (other temperatures optional)
Storage Temperature	0℃~+50℃
Operational Altitude	<2,000 meters
Cycle Life	>25 years / 20,000 cycles
Communication	Modbus-TCP
IP Grade	Equivalent to IP65
Auxiliary Power	380V/AC, 50Hz, Three-phase Shutdown:200W, Operation:16kW-40kW
Design Standards	IEC62932-2-1; IEC62932-2-2; IEC-62933-5-2; CE; UL1973;
Product Dimension	12.192m(L)x6.058m(W) x5.925m(H)	12.192m(L)x8.650m(W) x5.925m(H)

Product Name	EPower1920-4	EPower2880-6	EPower1920-8	EPower1920-10	EPower2880-12
Rated Capacity	1920kWh	2880kWh	1920kWh	1920kWh	2880kWh
Rated Power	480kW	480kW	240kW	192kW	240kW
Container Configuration	Power Container1 Capacity Container2	Power Container1 Capacity Container3	Power Container1 Capacity Container2	Power Container1 Capacity Container2	Power Container1 Capacity Container3
Rated DC RTE	≥80%
DC Voltage	312-483.6V
Max DC Current	1539A	1539A	770A	616A	770A
Ambient Operating Temperature	Standard -35°C to 45°C / -31°F to 113°F Extended -45°C to 60°C / -49°F to 140°F
Internal Operating Temperature	35°C to 40°C / 95°F to 104°F
Maximum Operating Elevation	2000m / 6600ft
Calendar / Cycle Life	>25 years / 20,000+ full charge/discharge cycles
Communication	Modbus-TCP
IP Grade	IP65 or equivalent
Auxiliary Power	380V/AC, 50Hz, 3-phase Auxiliary Load: 0.2 kW in standby; 16–40 kW during operation
Design Standards	IEC 62932-2-1; IEC 62932-2-2; IEC-62933-5-2; CE; UL 1973
Product Dimension	12.192m(L) × 6.058m(W) × 5.925m(H)	12.192m(L) × 8.650m(W) × 5.925m(H)	12.192m(L) × 6.058m(W) × 5.925m(H)	12.192m(L) × 6.058m(W) × 5.925m(H)	12.192m(L) × 8.650m(W) × 5.925m(H)

Product Name	EPower2660-4	EPower4000-6	EPower2660-8	EPower2660-10	EPower4000-12
Rated Capacity	2666kWh	4000kWh	2666kWh	2666kWh	4000kWh
Rated Power	667kW	667kW	333kW	267kW	333kW
Container Configuration	Power Container1 Capacity Container2	Power Container1 Capacity Container3	Power Container1 Capacity Container2	Power Container1 Capacity Container2	Power Container1 Capacity Container3
Rated DC RTE	≥80%
DC Voltage	312-499.2V
Max DC Current	2137A	2137A	1069A	855A	1069A
Ambient Operating Temperature	Standard -35°C to 45°C / -31°F to 113°F Extended -45°C to 60°C / -49°F to 140°F
Internal Operating Temperature	35°C to 40°C / 95°F to 104°F
Maximum Operating Elevation	2000m / 6600ft
Calendar / Cycle Life	>25 years / 20,000+ full charge/discharge cycles
Communication	Modbus-TCP
IP Grade	IP65 or equivalent
Auxiliary Power	380V/AC, 50Hz, 3-phase Auxiliary Load: 0.2 kW in standby; 16–40 kW during operation
Design Standards	IEC 62932-2-1; IEC 62932-2-2; IEC-62933-5-2; CE; UL 1973
Product Dimension	12.192m(L) × 6.058m(W) × 5.925m(H)	12.192m(L) × 8.650m(W) × 5.925m(H)	12.192m(L) × 6.058m(W) × 5.925m(H)	12.192m(L) × 6.058m(W) × 5.925m(H)	12.192m(L) × 8.650m(W) × 5.925m(H)

Use Cases

Distributed Grid-Side Storage

Support local grid stability and absorb excess renewable energy.
Use cases: EV charging stations, urban substations.

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Stackable Utility-Scale Storage

Scale from kilowatt-hours to gigawatt-hours with plug-and-play units.
Use cases: solar/wind firming, capacity expansion.

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