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250 kW Solar 500 kWh Outdoor BESS
An outdoor commercial and industrial solar-plus-storage system combining a 263.25 kWp photovoltaic array, 250 kW power conversion and an exact 514.46 kWh LFP battery configuration.
Included Components / System Configuration
| Picture | Model | Description | Advantage | Qty |
|---|---|---|---|---|
| Bifacial N-Type TOPCon Solar Panel | 650 W, 41.7 V half-cell bifacial module; 15 panels in series and 27 strings in parallel. | 23% transfer efficiency and 25-year panel warranty. | 405 pcs |
 | PV Combiner Box | 8T-819.2 V photovoltaic combiner with multiple PV string inputs and maximum circuit voltage of 1,000 V. | Wide DC input range with surge and lightning protection. | 5 pcs |
| MPPT Solar Charger / PCS | Rated power 250 kW; battery range 160–800 V; MPPT range 150–850 V; maximum apparent power 270 kVA; AC output 380/400/415 V. | Reactive and active power adjustment, up to 97.5% efficiency, built-in isolation transformer and impact-load support. | 1 pc |
 | LFP Battery System | 819.2 V / 628 Ah LFP battery system; two 1,290 × 1,080 × 2,260 mm battery cabinets with a total listed weight of 4,780 kg.Exact configured capacity: 514.46 kWh819.2 V / 628 Ah · 2 battery cabinets · total 4,780 kg | 6,000 cycles, BMS, independent fan cooling, 10-year battery warranty and 20-year design lifespan. | 1 set |
| 20-Foot Outdoor BESS Container | 6,058 × 2,438 × 2,896 mm container with 60 mm A1 fireproof insulation, EMS, two battery high-voltage boxes, three-level BMS, five 1 kW industrial air conditioners and heptafluoropropane fire suppression. | Integrated outdoor enclosure for storage, monitoring, cooling and fire protection; approximately 6 t container weight. | 1 set |
 | AC Distribution Box | Circuit breakers, disconnectors, surge protection and self-supporting overload protection. | Maximum current per phase: 400 A. | 1 set |
 | Mounting Bracket System | Customized rooftop or ground installation structure with maintenance channel, wire tray and grounding flat iron. | Project-specific mounting design with 10-year warranty. | 1 set |
 | PV Cables / Connectors | Battery cable set; 2,500 m of 6 mm² PV cable; 25 mm² and 95 mm² cables with terminals; 70 MC4 connector sets, DC breakers and grounding cables. | Complete electrical interconnection package for the configured solar and storage system. | 1 set |
Highlights
263.25 kWp bifacial N-type TOPCon solar array using 405 panels rated at 650 W each.
250 kW MPPT solar charger and power conversion system with a maximum apparent power of 270 kVA.
150–850 V MPPT range and 160–800 V battery voltage range with 380/400/415 V AC output options.
Exact 514.46 kWh LFP battery capacity configured at 819.2 V and 628 Ah.
Specified 6,000-cycle battery performance with integrated BMS and independent fan cooling.
20-foot outdoor energy storage container with 60 mm A1 fireproof insulation and industrial air conditioning.
EMS data collection, two battery high-voltage boxes and three-level BAU, BCU and BMU protection.
AC distribution box with circuit breakers, disconnectors, surge protection and up to 400 A per phase.
The container layout reserves space for a future battery expansion subject to final engineering design.
Technical Data
- Market-facing storage class
- 500 kWh
- Exact configured battery capacity
- 514.46 kWh
- Battery rating
- 819.2 V / 628 Ah
- Solar array
- 405 × 650 W = 263.25 kWp
- PCS output
- 250 kW
- Maximum apparent power
- 270 kVA
- Battery voltage range
- 160–800 V
- MPPT voltage range
- 150–850 V
- AC output options
- 380/400/415 V
- PCS maximum efficiency
- 97.5%
- Battery cabinet dimensions
- 1,290 × 1,080 × 2,260 mm × 2
- Battery system weight
- 4,780 kg total
- Container dimensions
- 6,058 × 2,438 × 2,896 mm
Questions Before Quotation
What is the exact battery capacity of this 500 kWh BESS?
The market-facing storage class is 500 kWh. The confirmed workbook battery configuration is 819.2 V and 628 Ah, with an exact calculated capacity of 514.46 kWh.
What are the main PCS parameters?
The PCS is rated at 250 kW, supports a 160–800 V battery voltage range, a 150–850 V MPPT range, a maximum apparent power of 270 kVA and AC output options of 380 V, 400 V or 415 V.
How is the battery system configured?
The LFP battery system is rated at 819.2 V and 628 Ah and uses two battery cabinets. The exact configured storage capacity is 514.46 kWh, with a specified battery performance of 6,000 cycles.
What safety and thermal-management features are included?
The container includes three-level BMS protection, two battery high-voltage boxes, five industrial air conditioners, 60 mm A1 fireproof insulation, monitoring equipment and heptafluoropropane fire suppression.
Can the battery capacity be expanded later?
The workbook states that the 20-foot container reserves space for future lithium battery expansion. The final added capacity, protection and electrical configuration require project-specific engineering confirmation.
What warranties are listed for the configured components?
The workbook lists a 25-year warranty for the solar panels, a 10-year warranty for the LFP battery system and a 10-year warranty for the mounting bracket. PCS, container and fire-system warranty terms should be confirmed in the final engineering quotation.
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