800KWh BESS Energy Storage Battery Completely Integrated Solution

Voltai’s battery storage system maximizes energy utilization, improving the reliability and profitability of your microgrid.


Product Detail

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The energy storage system (BESS) containers are designed for neighbourhoods, public buildings, medium to large businesses and utility scale storage systems, weak- or off-grid, e-mobility or as backup systems. The energy storage system containers make it possible to store the energy produced by photovoltaics. Due to its high cycle lifetime, The energy storage system containers are also used for peak-shaving, thereby reducing the electricity bill.

Our containerised energy storage system (BESS) is the perfect solution for large-scale energy storage projects. The energy storage containers can be used in the integration of various storage technologies and for different purposes.

Applications:

  • Grid & utility service provider
  • Commercial
  • Industrial
  • Community
  • Public sector

Features:

  • Energy storage battery pack
  • All associated metering and control systems
  • Battery management system (BMS)
  • Internal lighting and power system
  • Development DC Panels. 
  • Fire detecting and protection systems. 
  • HVAC system
  • Grid connection: 3-phase AC | 400 V, Output frequency 50 Hz or 60 Hz
  • Environmental conditions: Operating temperature range -20 °C to +45 °C, Relative humidity 0 – 95 %, non-condensing
  • Power and capacity: Scalable from kW/kWh up to MW/MWh
  • Design life 20 years and 365 full charging cycles annually (1 cycle / day)
  • Dimensions / Layout: 20’ or 40’ container(s) or customised dimension

​Benefits:

  • Attractive price and long asset lifetime
  • Expected lifetime ≥10,000 cycles or ≥20 years
  • Independent scaling of power and capacity
  • Increased self-consumption of renewable energy
  • Environmentally friendly and safe operation
  • Water based electrolyte: non-flammable and non-explosive

Specifications:

Battery Module
Battery Code ES-800
Type of Battery LEP (Lithium Iron Phosphate)
Nominal voltage (V) 716.8
Range of Voltage(V) 672.2~806.4
Nominal capacity( ah) 280*4  (1120)
Nominal Power(Kwh) 802.816
Maximum continuous charging current (A) 200kw
Maximum continuous discharge current (A) 400kw
Operating temperature (charging, ℃) 0~45 ℃
Operating temperature (discharge, ℃) -20~55 ℃(
Working humidity(%) 15% ~ 85%
Cycle life (times) 3000 times@25℃ 0.5C
Warranty 5 Year Product Warranty,10 Year Performance Warranty
Communication RS485/CAN
PCS( Power conversion system )
AC grid connection
Maximum apparent power 550kVA
Rated output power 500KW
Rated voltage 400V
Voltage range (V) 320-460
Rated current (A) 722
Maximum output current( A) 800
Rated frequency (Hz) 50/60
Frequency Range 45-55/55-65Hz
THDI <3%
Power Factor Lead1-lag 1( set as required)
Communication system 3W+N+PE
AC off-grid  
Rated voltage 400V
THDU < 1% linear, < 5% nonlinear
Rated frequency 50/60Hz
overload capacity 110% long term
General parameters  
maximum efficiency 97.10%
Protection class IP21
Noise <75dB
Environment  temperature -30℃~ +55℃
Cooling method air cooling
Altitude 5000m (Derating over 3000m)
Dimensions (W/D/H) 1600*1050*2050mm 
weight 1045kg
20ft Container
Dimensions L*W*H(mm) 6058*2438*2438
Case Reference:
Canada-1
USA-1
sweden-1
Netherlands-1

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