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Brightway Solar 250KWh 500KWh Solar Energy Battery 20ft Container ESS with BMS And EMS


  • Brightway Solar


Function Characteristics

The 250KW/500KW & 250KWH/500kWh-1.2MWH outdoor 20ft container ESS is tailored for large-scale commercial and industrial energy storage. Its DC side features BYD's vehicle-grade modular lithium iron phosphate batteries with original BMS protection, while the AC side incorporates Brightway Solar's hybrid solar inverter. Leveraging EMS operation strategy, it seamlessly interfaces with the grid, offering reliable power backup during outages. The built-in EMS supports various modes like self-consumption, peak shaving, TOU, and battery priority, meeting diverse energy management needs.

Technical Specifications

Battery capacity (MWh) 250KWH/500KWH
Battery Module BYD 25.6V190AH/280AH/300AH optional
Battery Type Lithium-iron phosphate (LiFePO4) battery
BMS communication interface RS485/CAN
Battery Voltage range (V) 420V-850V
Max. Current (A) 673A
Max.PV input voltage(V) 1000VDC
Max.PV power(KW) 300/360KW
MPPT voltage range(V) 200VDC-850VDC
MPPT voltage range@full load (V) 450VDC-850VDC
Max output power(kVA) 275KVA
Rate output power(kW) 250KW
Rated voltage(V) 400V
Voltage range(V) 320V-460V
Rated current(A) 361A
Max. output current(A) 397A
Rated frequency (Hz) 50/60Hz
Frequency range (Hz) 45-55/55-65Hz
THDI <3%
Power factor 1lagging-1leading(Settable)
AC connection 3W+N+PE
AC(off grid)
Rated voltage(V) 400V
THDU <1% Linear <5% Nonlinear
Rated frequency(Hz) 50/60Hz
Overload capacity 110% long-term
General data
Max.efficiency 97.30%
Ingress protection IP54
Fire extinguishing system support
Operating temperature -30~+55℃
PCS cooling way Temperature control intelligent air cooling
Battery cooling way Air conditioning cooling
Relative humidity 0 ~95% non-condensing
Altitude 4500m(>3000m Derating)
Dimension D*W*H (mm) 6058*2438*2896mm
Weight(kg) Customized
Transformer ratio 270/400
On/ Off grid switching Automatic
Display and communication
Display LCD touch-screen
BMS communication RS485/CAN
EMS communication RS485,TCP/IP


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