• 4KW off grid solar power system
Name:4KW off grid solar power system
Type:Off grid
Max. Power:4000W
Output voltage:110VAC±2/120VAC±2/220VAC±2/240VAC±2
Frequency:50/60Hz±1
Volume:2.4CBM
Weight:1684Kg
Lead time:15 days.
Warranty:10 years for the panels; 2 years for other equipment.
Payment terms:T/T, L/C, Paypal, Western Union

Product Description

  • 4KW off grid solar power system


  •  NO  Item  Description  Quantity
     1  Solar panel(Mono)  250W/30V  16Pcs
     2  MPPT solar charge controller  40A/48V  2Pcs
     3  Lead acid battery  200Ah/12V  16Pcs
     4  Inverter  4000W/48V  1Pcs
     5  Solar panel bracket  Pitched / flat roof, ground  1Set
     6  Cable  Single-core 4mm2and 10mm2PV cable 100M
     7  Battery connector  40cm*6mm2 single-core cable  16Pcs
     8  Combiner box  8 inputs 2 output  1Pcs

  •  

  • Components

  • Solar panel

  • 1. 3.2mm tempered glass
  • 2. Anti-aging junction box
  • 3. High strength aluminum frame
  • 4. Class A+ Mono&Poly crystalline silicon with latest technology


  • MPPT solar charge controller

  • 1.MPPT charge mode,conversion efficiency up to 99%
  • 2.Intelligent design,the device can be upgraded online
  • 3.Charge mode: three stages (fast charge,constant charge,floating charge)
  • 4.12V/24V/48V system auto recognize for easy control. 
  • 5. Variety battery type choosing: Sealed lead acid, vented, Gel, NiCd battery. Other types of the batteries can also be defined.
  • 6. LCD display
  • 7. Communication Port.RS232.


  • Lead acid battery

  • 1. No electrolyte leakage, battery swelling and cracking under normal use
  • 2. With smooth discharging voltage and mild discharging platform
  • 3. No leakage,swelling or cracking problem after one hour vibration
  • 4. No leakage,swelling or cracking problem after 3 times of dropping.
  • 5. Good resistance to overcharge&overdischarge
  • 6. Good resistance to high current

  • Inverter

  • 1.Working efficiency more than 85%
  • 2.RS232 communication port (Optional)
  • 3.Peak power is more than 3 times of rated power, excellent loading capability
  • 4.LCD display, According to battery type to choose charging mode
  • 5.Pure sine wave output, low frequency transformer, input and output isolation design
  • 6.Intelligent fan (Automatically adjust rotating speed according to the internal temperature)
  • 7.Perfect protection against low voltage , over voltage , short circuit , over load and over temperature etc
  • 8.Built-in 3 steps charging module which can adjust charging current ( 5-30A ) according to battery capacity and   discharging situation


  • Solar panel bracket


  • Packing


  • Sales manager: Neo Au-Yeung
  • Whatsapp(wechat):+0086 15914314453
  • Skype: suntotal02
  • Email:neo@suntotal.cc

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