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/pieceGlass 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.