What is the approximate surface area of ​​a current 100 W solar panel?

Introduction What is the approximate surface area of ​​a current 100 W solar panel? Under the irradiation of the sun, the light energy is immediately converted into electrical energy, and the direct current it emits can also be directly charged to mobile phones and ca

What is the approximate surface area of ​​a current 100 W solar panel?

Under the irradiation of the sun, light energy is immediately converted into electrical energy. The DC energy it emits can be directly charged to mobile phones and calculators; Electrical energy can also be stored in the battery and then reversed to 220 V AC. power. The most commonly used are amorphous silicon, monocrystalline silicon and polycrystalline silicon, which are widely used. A 100W silicon battery covers an area of ​​about 100 square meters, has a lifespan of 20 years and a shelf life of 5 years.

Technical parameters of silicon solar cells

Power

(w) Size

(mm) Open circuit voltage

< p> (v) Operating voltage

(v) Short circuit current

(A) Operating current

(A) Weight< /p>

(kg) Remarks

5 240*290*25 21 17.3 0.34 0.29 1 Polysilicon

10 290*330*25 21 17 0.7 0.6 1.3 Polysilicon

15 400*350 *25 21 17 1 0.9 1.9 Polysilicon

20 609*290*25 21 17 1.4 1.2 2.9 Polysilicon

Note: The above products cost 39 yuan/W, and can also be transformed into 75W, 80W, 85, 160W, 165W, 170W, 175W high power

The price is 45 yuan per W.

Technical parameters of solar cell wafers

Product name

Specifications

Package dimensions

Parameters and weight< /p>

Price

Remarks

Amorphous silicon solar cell combination panel

152 5 × 152.5 × 20

415. × 315 × 400

1w/7.5v,120ma, 0.4kg

45 yuan/piece

Alloy border aluminum

Amorphous silicon solar chip

152. 5 × 152.5 × 2

415 × 315 × 400

1w/7.5v, 120ma, 0.17kg

39 yuan/piece

Glass Package

Amorphous Silicon Solar Chip

60 × 90 × 2

Carton 400 Chip

0 .1W/3V, 30mA, 0.042kg

9 yuan/piece

Glass package

Amorphous silicon solar chip

60 × 76 × 2

400 pieces in carton

0.07w/3v,24ma, 0.039kg

< p>8.5 yuan/piece

Glass package

Lawn lamp chip, single crystal silicon. The circular diameter is 8.5cm, the operating voltage is 1.8V, the power supply is 110mA, and the power is 0.2W

This question is too difficult to answer to set down.

100W is only the theoretical output power of the solar panel. If you want to fully charge it in 8 hours, then the theoretical capacity is 100W*8h=800wh=0.8 kWh=0.8 degrees

And the general battery label. The scale unit is AH, and the batteries are basically 12V,

800wh/12v≈67AH

The common battery capacities are 40, 60, 80. , 100, 120 and 160AH, which means 80AH. It can meet the storage needs of 8 hours of energy from a 100W solar panel.

The larger the battery capacity,the more energy it can store. Of course, it is also more expensive, so consider it appropriate.

In addition, the self-discharge of larger batteries is relatively greater, so you should pay attention to it.

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