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Shenzhen Gold Power Tech Co., Ltd.

Off Grid Power Supply Unit, Photovoltaic Energy Storage Unit, High Storage Capacity Power Supply manufacturer / supplier in China, offering 12kwh off Grid Power Supply for Ess, 180kw Ultra-Thin Separated Type Electric Car Charger, 150kw Integrated DC Electric Car Charger with CCS/Chademo/GB/T and so on.

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Supplier Homepage Product Energy Storage Systems 12kwh off Grid Power Supply for Ess

12kwh off Grid Power Supply for Ess

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Shenzhen, China
Transport Package: Wooden Case Packing
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: GPESS-48250-302
  • Application: Government,Military/Security,Commercial,Home,Marin
  • Brand: Goldpower
  • Storage Capacity: 12kwh
  • Battery Type: LFP
  • Battery Volume: 250ah
  • Trademark: Goldpower
  • Origin: Shenzhen
  • Type: off Grid
  • Output Capacity: Large Type
  • Output Power: 3.3kw 120V
  • Battery No.: 5
  • Battery Voltage: 48V/DC
  • System Effificiency: More Than 90%
  • Specification: Dimension: 610*602*1031(mm)
  • HS Code: 8504401990
Product Description
1.1 Configuration

1.2 Working Principle
The system adopts AC charge and solar charge with MPPT. AC will complement the electricity when the solar energy is poor. The system is also with the function of bypass. AC will offer electricity first, but it will convert to inverter output if AC is off or it's over/under voltage, with 1-route 48V output and the max load is 5A.
12kwh off Grid Power Supply for Ess


1.3 Performance Index
DC ChargerInput Voltage100 300Vdc 
Output Rated Voltage 48 Vdc
Output Current  30A
AC ChargerInput Voltage90220280Vac 
Input Rated Voltage 120 Vac
Input voltage frequency576063Hz
Power Factor 0.99  
Output Voltage 48 Vdc
Output Current  50A
AC(OUT) InverterOutput voltage115120125Vac 
Output Rated Voltage 120 Vac
Output Voltage Frequency576063Hz
Output Current  30A
AC BypassOutput Rated Voltage90 164VacAC first
Output Voltage Frequency 60  
Output Current  30A
BAT+ BAT-(OUT)Output Voltage 48 VdcBAT output directly, with protection of short and current limit
Output Current 5 A
DC1+ DC2+ DC3+ GND(OUT)Output Voltage  300VdcThere's equipped with output interface and the user can connect a certain load to absorb the excess power when the PV input exceeds the max DC charging
Each ModuleOver TemperatureOutput is cut off when the inside temperature of heat sink is up to the peak point, then it will reduce 10ºC
Output Over CurrentAlso protection of over power and short
Battery ManagementDC Charger MPPT, charge with the max power
AC ChargerConstant current charge first, constant voltage charge later
Over/under Voltage ProtectionWith BMS itself
Input-Cabinet 2121 VdcOnly test DC charge, AC charger and inverter
Input-Output 2121 Vdc
Output-Cabinet 750 Vdc
Isolated ResistanceAll the isolated resistance of input-output, input-earth and output-earth is no less than 10MΩ under the situation of normal atmosphere, 90% humidity and 500Vdc test voltage.
Working Temperature-10 40°C 
Extended Working Temperature-20 50°C 
Storage Temperature-10 60°C 
Humidity  90% 
Atmosphere70 106KPa 
Altitude0 3000m 
Dust ProofRequirement of dust: diameter: >5um, density: ≤3×104pcs/m3, non-conductive, non-magnetic and non-caustic.  No protection of water proof
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