300KW Off Grid Solar Power System for Factory

Brand: Lersion

Product origin: China

Delivery time: 2-15 days

Supply capacity: 200

300kw off grid solar system, customized design
one stop solution: consultancy & design & drawing & installation

300KW Off Grid Solar Power System for Factory

300KW Off Grid Solar System for Factory/Hotel/Big farmland

Lersion new energy is factory of solar inverter and battery (lithium and Gel). Based in China, we have a closed partnership with world class PV manufacturer such as Longi, JA solar, Jinko to supply first tier PV module. Meanwhile with 12 years' experience in solar industry, we know more about the whole industry chain of solarsystem and can offer you high quality solar kits/parts at very competitive price, to optimize your solar system configuration and lower the first investment for your solar system as much as possible.

300KW Off Grid Solar Power System for Factory

1 Electrical Load Reference List 

Electrical ApplianceRated Power W/pcs)Quantity (pcs)Working HoursTotal W
LED bulbs205088000
machine5000023300000
machine1000025100000
machine3000023180000
AC7503818000
Fan7026840
TV15014600
Computer200384800
Refrigerator2001241500
Microwave oven100010.5500
Water heater200010.51000
Microwave oven1000122000
Fax15011150
Total electricity consumption:617390

Note: above home loads for reference only , actual power consumption will be different according different family. it is flexible and advice to consider extra more configurations in case of future load increase.



2 Off Grid Solar System Configuration

solar panel84pcs*600W*6H=302.4KWH
off grid inverter1pcs/300KW/384V
PV conbiner box5pcs
MPPT solar controller5pcs/384V
Lithium battery
cable and accessoryoptional for buyer
solar bracketoptional for buyer

Note: above configuration is reference only, the 300kw off grid solar power system design will be depended on: 

  • PV: local sunshine duration,power /pcs, efficiency

  • battery capacity: customer planning back-up  demand

  • inverter: the maximum loads etc. 

for more solar system configuration suggestion, pls contact our sales team by WhatsApp/email.


3 Introduction To System Composition:

Solar Panel

world-class technology

● Brand: Longi /Jinko/JA Solar/Lersion 

● Efficiency : Up to 22.2%

● Power:428W -690W

● 30 years life time  (CE RoHs TUV SGS)

● Anodized aluminium alloy frame  tempering Strong anti-cracking

● Terminal block:IP65 with MC4 connector

● Efficiency performance :25 years 80 % 20 year 85% 10 years 90%


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solar PV system for factory

MPPT Solar Charge Controller

● Intelligent Maximum power point tracking technology;

● DSP chip control, high precision, high efficiency;

● Adopting IGBT technology and PV wide voltage range input;

● High definition color touch screen, convenient for understanding the working status of the machine;

● Three stage charging technology to extend battery life;

● Photovoltaic/battery anti reverse connection protection/short circuit protection/over current protection;

● The parameters can be modified online and adapted to various work scenarios;

● Activate the lithium battery function.


PV combiner box

● High voltage DC circuit breaker

● Max current 10A for each input array

● Counterattack protection for each array

● High-voltage lightning protection device

● IP65 Protection, suitable for outdoor installation


300KW Off Grid Solar Power System for Factory
solar power system industry solution

IGBT module Solar Inverter

● America new gerneration DSP chip microprocess technology

● LVD/HVD/Charging voltage adjutable, suitable for kinds of battery.

● Battery overvoltage / low voltage, overload, short circuit, over temperature  protection, etc;

● high-definition color touch screen, beautiful appearance; 

● Automatic AC charger and AC mains switcher, switch time ≤ 3ms.

● Two years warranty, more than 10 years lifespan design


Industry energy storage battery

● LiFePO4(container/cabinet optional) 

● Grade A lithium battery

● Long cycle life >6000 cycles

● High Efficiency & Fast Charging

● Intelligent battery management system

● Compatible with Various Inverters


solar PV system for factory
300KW Off Grid Solar Power System for Factory

Cable and accessory

● Optional for buyer

● 25mm2*2M battery cable

● 25mm *20M 2)4mm2 PV cable 200M (black+ red) 

● 1set MC4 Tools ,PV terminals and MC4 


PV Bracket

● Optional for buyer

● Aluminum Alloy frame + Fasteners Material SUS304.

● Slope Rooftop  or Flat rooftop

● 30 Years Service Life. 15years warranty

● Easy Installation


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