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Yueqing Mandao Electrical Co., Ltd.

Solar System, Solar Kit, off Grid Solar Kit manufacturer / supplier in China, offering off Grid Solar Kit 4.5kw Solar 61kwh Big Gel Bank 10kVA/ 8kw Inverter/Charger 120A, DC 12V 16L-20L Home Refrigerator & Freezer, 12000mAh Portable Car Jump Starter Power Bank with LCD Screen & Compass and LED Flashlight 3 USB Port Charging for Phone and so on.

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Supplier Homepage Product OFF GRID SOLAR SYSTEM off grid solar power system off Grid Solar Kit 4.5kw Solar 61kwh Big Gel Bank 10kVA/ 8kw Inverter/Charger 120A

off Grid Solar Kit 4.5kw Solar 61kwh Big Gel Bank 10kVA/ 8kw Inverter/Charger 120A

FOB Price: US $10,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $10,000/ Piece
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Port: Ningbo, China
Production Capacity: 500000
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: MDAOUD
  • System: Off-Grid system
  • Power: 6kW-50MW
  • Trademark: MADAOUD
  • Origin: Made in China
  • Output Type: AC Single Phase
  • Certification: CE, ISO, RoHS
  • Standard: Standard
  • Transport Package: Carton
  • HS Code: 8543709990
Product Description

off Grid Solar Kit 4.5kw Solar 61kwh Big Gel Bank 10kVA/ 8kw Inverter/Charger 120A

This stand alone renewable energy package uses 18x 250w A Grade Mono CEC approved bushfire rated solar panels & 24x German 2v 1280Ah GEL batteries. Combined with an 8kW Pure Sine Wave Inverter / Charger (2x 4kW units set in parallel), you will have plenty of power available for demanding occasions. This package can easily be expanded to a total of 6000W of Solar Panels without any additional solar controller hardware. Handy if you find you are needing more power.

On average, there will be 22.5kW-hours of power available from the solar array per day - based on just 5hrs of effective sunshine per day. More sunshine = more power. Your daily energy usage will be quickly replenished. This large solar PV design principle reduces the amount of time the batteries will be low on charge, which maximises their life expectancy & provides far more reliable power.

When there is no sunshine or badly overcast weather, the battery reserve capacity will give the following power from full charge down to 50% remaining capacity:

  • 26.5kW-hours in 24 hours, or
  • 14.4kW-hours per day for two days, or
  • 10kW-hours per day for three days, or
  • 7.6kW-hours per day for four days

The solar array can then recharge the battery bank from 50% flat in around 7.5 hours of effective sunshine, depending on any loads running on the system at the same time. A generator can be used to recharge the battery bank and run loads through the inverter too.


Package Includes:

  • 18x 250w A grade Mono Crystalline CEC approved Solar Panels (4500W / 4.5kW)
  • 2x 3 in 1 48V 60A MPPT Solar Controller / 4.0kW PSW Inverter / 60A AC Chargers
  • Parallel Kit for the inverters to enable parallel output for an 8kW supply circuit
  • 24x 2v 1280Ah GEL Deep Cycle Batteries (48v-1280Ah @ 100h | 61.4kWh)
  • DC Fuse Disconnect / Battery Breakers & Fuses to suit
  • DC Solar PV breakers & Housings
  • 5 Metres of Battery Cabling 25mm2 - 4x 1.25m Lengths with lugs to suit the kit
  • 60 Metres of Solar Cable - 3x 20m fitted with MC4 connectors for easy installation
  • Spare Solar Connectors - should you need to extend any cabling between the strings
  • Solar Panel racking to suit Tin roof (Tile roof & Tilt frame options are available)
  • Solar Safety Label Sticker Kit
  • Quick Setup Guide

The GEL batteries have an exceptional cycle life of around 2800 cycles to 50% discharge, and close to 2000 cycles to 70% discharge. This equates to around 22 years if discharged to 70% every four days, or 30 years if they are only discharged to 50% every 4 days at worst. The less they are discharged, and the less time before being recharged, the longer they will last.

2x 4kW (8kW Surge) Pure Sine Wave Inverter / Chargers are combined to provide a total of 8kW constant output power (16kW surge rating). Should you need more power, additional inverters can be added in parallel to give 12kW, 16kW and so on up to 24kW continuous output power - single or three phase. Each extra inverter charger also allows for another 3000w of solar panels to be connected to the system for a much greater daily energy harvest.

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