Solar System

Carspa better off grid pv solar system 1kva 2kva 3kva 4kva 5kva
"Carspa has two kinds of off grid solar system for selection. First is to build the system with sepearated solar charge controller, better off grid inverter and charger with UPS function (MPPT+P OR MPPT+CPS), the 2nd solution is to use hybrid inverter KS or MKS. For example 1kva solar system, you could choose MPPT2420, P1000, you could also choose MKS1K."
SL100-100P600 Portable Energy Storage Power Supply Station With Lithium Battery

SL100-100P600 Portable Energy Storage Power Supply Station With Lithium Battery

Carspa SL100-100P600 a portable energy storage power supply, built-in automotive power grade Li- Ion Phos...

SL100-100P600 Portable Energy Storage Power Supply Station With Lithium Battery
SL100-100P600 Portable Energy Storage Power Supply Station With Lithium Battery
SCI1000-1000w Off-grid Solar System All In One

SCI1000-1000w Off-grid Solar System All In One

SCI1000 1000w solar system. If necessary, the modules can be expanded by 3 x lOOW with little installatio...

SCI1000-1000w Off-grid Solar System All In One
SCI1000-1000w Off-grid Solar System All In One
SCI1000-1000w Off-grid Solar System All In One
SCI3000-3KW Complete Solar Power System For Home Use

SCI3000-3KW Complete Solar Power System For Home Use

3KW complete solar power system SCI3000; Average daily yield between March and October: approx. 4.8KWh (a...

SCI3000-3KW Complete Solar Power System For Home Use
SCI3000-3KW Complete Solar Power System For Home Use
SCI3000-3KW Complete Solar Power System For Home Use
SL5020-20Ah Battery Capacity Off Grid Solar Power System

SL5020-20Ah Battery Capacity Off Grid Solar Power System

SL5026 solar lighting system 50 watt with 26 Ah lead acid battery includes 50 watt poly solar panel, 26 a...

SL5020-20Ah Battery Capacity Off Grid Solar Power System
100Ah Battery Capacity Off Grid Solar System With 400W Power Inverter And Solar Charge Controller-SL200-100P400

100Ah Battery Capacity Off Grid Solar System With 400W Power Inverter And Solar Charge Controller-SL200-100P400

SL Series Solar Light System used in where is lack-in power for electricity to power phones, lamps and fa...

100Ah Battery Capacity Off Grid Solar System With 400W Power Inverter And Solar Charge Controller-SL200-100P400
KS1K-5K KS/MKS Series 4 In 1 Power Inverter

KS1K-5K KS/MKS Series 4 In 1 Power Inverter

Roduct Features:1.Pure sine wave power inverter.2.Selectable input voltage range for home appliances and ...

The princinple of the off grid solar system

The off-grid solar power generation system uses solar panels to convert solar energy into electrical energy when there is light, and supplies power to the load through the solar charge and discharge controller, while charging the battery; in cloudy weather or no light, the solar charge and discharge control The inverter supplies power to the DC load from the battery pack, and the battery also directly supplies power to the independent inverter, which is converted into AC power through the independent inverter to supply power to the AC load.

How to build your better off grid pv system 

Caculation

-Check the efficient sunshine time of your district, consider of the winter and cloudy time,  suggest will be consider as 6 hours.
-Check the load power and type, it will decide the choosing of inverter
-Check the using time, it will be decide how many battery you will need.
-After knowing the using time and power, you could select the solar charge controller and PV panel.

For example:

1000w off grid solar system
-Chariging time: 6 hours
-Using time: 4 hours
-power inverter: 1000w, 24V
-Battery 4000wh/0.8(systme losing dfficinecy)/0.7( battery efficiency)/24=300Ah
-Solar charge controller 300AH/6h/(charging efficiency)=60A/H, choose MPPT2460
-Solar panel: 34.4v*60a=2064w, 200w*10pcs solar panel 

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