Back to BESS Energy StoragePOWERING TODAYSUSTAINING TOMORROW
Reliable. Scalable. Sustainable.Energy storage solutions for a smarter future.
SHAPE THE FUTURE WITH USSOLAURA ENERGY
250 kWp 250 kW 1 MWh Photovoltaic Energy Storage System
A containerized photovoltaic and battery energy storage system for commercial and industrial projects requiring 250 kW bidirectional power conversion and approximately 1 MWh of LFP storage.
Included Components / System Configuration
| Picture | Model | Description | Advantage | Qty |
|---|---|---|---|---|
| Solar Panel | 625 W photovoltaic module; 20 modules in series and 20 parallel strings. | Configured solar array capacity: 250 kWp. | 400 pcs |
 | Mounting Bracket | Customized rooftop or ground structure; final design requires the actual site drawing and installation conditions. | Project-specific mounting configuration. | 1 set |
 | MC4 Connector | MC4 connector rated at 50 A and 1,000 V with silver-plated contact. | PV string connection component. | 150 pcs |
 | PV1-F Single-Core Cable | PV1-F 1 × 4.0 mm² single-core cable from the solar modules to the combiner boxes; red and black cable allocation. | Configured cable length: 4,000 m. | 4,000 m |
 | PV Combiner Box | 1,000 V photovoltaic combiner box with seven inputs and one output. | Combines the configured PV strings before the solar-storage PCS. | 8 pcs |
| Solar-Storage Integrated Machine | Maximum PV input 300 kWp; 250 kW bidirectional PCS; battery range 500–850 V; AC output 400 V; transformer, STS and EMS included. | Integrates solar input, bidirectional conversion and system control. | 1 pc |
 | High-Voltage LFP Battery Cluster | 665.6 V / 1,570 Ah total; five 665.6 V / 314 Ah clusters; 13 battery packs per cluster and 65 packs in total.Exact configured capacity: 1,044.98 kWh5 clusters · 65 battery packs · 16.07 kWh per pack | Exact configured battery capacity: 1,044.98 kWh. | 1 set |
 | High-Voltage System Cabinet | BAU-level BMS, DC breaker, miniature breaker, signal relay, power supply, emergency stop, LED indicators, operating panel, surge protection, fuses and communication cables. | Central high-voltage protection and battery control interface. | 1 set |
| 20-Foot Energy Storage Container | Non-walk-in container with two 7.5 kW air conditioners, smoke detection, fire protection, integrated wiring and C3 corrosion protection; 6,058 × 2,438 × 2,591 mm. | Integrated outdoor equipment and battery enclosure. | 1 set |
 | Fire Protection System | Aerosol suppression, temperature and humidity sensors, explosion-proof emergency light, lighting and socket. | Container safety monitoring and fire-suppression equipment. | 1 set |
 | Container Transport Certification | Container transport certification specified for compliance with CSC transport requirements. | Shown only as the workbook transport-certification row; not presented as a separate product certification claim. | 1 set |
| Connection Accessories | Connection accessories for equipment-room and system interconnection. | Completes the electrical interconnection scope. | 1 set |
Highlights
250 kWp photovoltaic array using 400 × 625 W solar panels.
250 kW bidirectional PCS with transformer, STS and EMS in the solar-storage integrated machine.
1,044.98 kWh LFP battery configuration rated at 665.6 V and 1,570 Ah.
Five battery clusters, each rated at 665.6 V, 314 Ah and approximately 208.99 kWh.
Sixty-five battery packs in total; each pack is rated at 51.2 V, 314 Ah and approximately 16.07 kWh.
20-foot non-walk-in energy storage container with air conditioning, smoke detection, fire protection and integrated cabling.
High-voltage system cabinet with BAU-level BMS, DC protection, emergency stop, surge protection and communication cabling.
PV combiner, mounting structure, connectors, grounding and system connection accessories included in the configured package.
Key Features
Integrated PCS, STS and EMS
Up to 300 kWp PV input with a 250 kW bidirectional PCS, isolation transformer, STS and EMS.
1,044.98 kWh LFP Storage
Five battery clusters and 65 battery packs configured at 665.6 V and 1,570 Ah.
Battery Protection and Control
BAU-level BMS, DC protection, emergency stop, surge protection, fuses and communication cabling.
20-Foot Outdoor Container
Non-walk-in enclosure with two 7.5 kW air conditioners, smoke detection, integrated wiring and C3 corrosion protection.
Integrated Fire Protection
Aerosol suppression, temperature and humidity sensing, plus explosion-proof emergency lighting and sockets.
CSC Transport Configuration
The workbook specifies container transport certification for compliance with CSC transport requirements.
Technical Data
- Market-facing storage class
- 1 MWh
- Exact configured battery capacity
- 1,044.98 kWh
- Battery bank rating
- 665.6 V / 1,570 Ah
- Battery clusters
- 5 × 665.6 V / 314 Ah / 208.99 kWh
- Battery packs
- 65 × 51.2 V / 314 Ah / 16.07 kWh
- Solar array
- 400 × 625 W = 250 kWp
- PCS output
- 250 kW bidirectional
- Maximum PV input
- 300 kWp
- Battery voltage range
- 500–850 V
- AC output
- 400 V
- Container dimensions
- 6,058 × 2,438 × 2,591 mm
Questions Before Quotation
What is the exact battery capacity of this 1 MWh BESS?
The market-facing storage class is 1 MWh. The workbook battery configuration is 665.6 V and 1,570 Ah, with an exact calculated capacity of 1,044.98 kWh.
How is the 1,044.98 kWh battery bank configured?
The battery bank uses five clusters. Each cluster contains 13 battery packs and is rated at 665.6 V, 314 Ah and approximately 208.99 kWh, giving 65 packs in total.
What power conversion equipment is included?
The system includes a solar-storage integrated machine with up to 300 kWp PV input, a 250 kW bidirectional PCS, transformer, STS and EMS. The configured battery voltage range is 500–850 V and the AC output is 400 V.
What container and safety equipment are included?
The 20-foot non-walk-in container includes two 7.5 kW air conditioners, smoke detection, aerosol fire suppression, temperature and humidity sensing, emergency lighting and integrated wiring.
What solar array is included with the battery energy storage system?
The configured photovoltaic array uses 400 solar panels rated at 625 W each, arranged as 20 modules in series and 20 parallel strings for a total of 250 kWp.
What information is needed before an engineering quotation?
Provide the project location, load profile, required backup duration, grid and generator conditions, installation type and available site drawings so the PV structure, protection and operating strategy can be checked.
BUILDING ACLEANER, SMARTERENERGY FUTURE
Solaura Energy provides reliable and scalable solar energy storage solutions for commercial, industrial, and utility-scale applications.
TALK TO OUR EXPERTSHigh EfficiencyMaximize energy production
Reliable StorageSafe, durable & long-lasting
Sustainable FutureClean energy for a better tomorrow