solar panels powered for Solar Charger Bag charger backpack USB Output portable charger for all mobile phones
Solar chargers on the market
Portable solar chargers are used to charge cell phones and other small electronic devices on the go.
Chargers on the market today use various types of solar panels, ranging from thin film panels with
efficiencies from 7-15% (amorphous silicon around 7%, CIGS closer to 15%), to the slightly more efficient
monocrystalline panels which offer efficiencies up to 18%.
The other type of portable solar chargers are those with wheels which enable them to be transported from
one place to another and be used by a lot of people. They are semi-public, considering the fact that are
used publicly but not permanently installed. A good example of this kind of portable solar charger is the
Strawberry Mini device.
Electrical Characteristics
| Solar backpack with 6.5W solar panel with 10000 mah power bank |
| Bag material |
Polyester |
| Bag Size |
52cm*35cm*22cm |
| Solar panel |
Sunpower brand cell, High efficiencty , |
| transfer rate |
22% |
| Power |
6.5W ,6V |
| Accessories |
1 pcs solar bag, 1 pcs 6.5W solar panel, 1 pcs USB charging cable.
1 pcs 10000 mah power bank |
| ITEM NO |
5W/18V |
| MONO or POLY |
poly |
| Maximum power (Wp) |
5wp |
| Maximum power voltage (V) |
18 |
| Maximum power current (A) |
0.27 |
| Open circuit voltage (V) |
21.6 |
| Short circuit current (A) |
0.29 |
| Number of cells (Pcs) |
36 |
| Size of module (mm) |
269x179x18 |
| Brand Name of Solar Cells |
HT |
| Maximum system voltage (V) |
715 |
| Temperature coefficients of Isc (%) |
0.065+/-0.015%/°C |
| Temperature coefficients of Voc (%) |
-(2.23+/-0.1)mv/ °C |
| Temperature coefficients of Pm (%) |
-(0.5+-0.05)/ °C |
| Temperature coefficients of Im (%) |
+0.1/ °C |
| Temperature coefficients of Vm (%) |
-0.38/ °C |
| Temperature Range |
-40°C~+85°C |
| Tolerance Wattage (e.g. +/-5%) |
+/-5% |
| Surface Maximum Load Capacity |
60m/s(200kg/sq.m) |
| Allowable Hail Load |
steel ball fall down from 1m height |
| Weight per piece (kg) |
0.6 |
| Length of Cables (mm) |
3m |
| Cell Efficiency (%) |
more than13% |
| Module Efficiency (%) |
more than 8% |
| Output tolerance (%) |
+/-5% |
| Frame (Material, Corners, etc.) |
Aluminum |
| Standard Test Conditions |
AM1.5 100mw/cm2 25°C |
| Warranty |
2 years product warranty and 25years 80% of power |
| FF (%) |
75% |
| Packing |
10PCS/ CTN |
| Unit Price |
|
What are Solar Panels Made of?
Photovoltaic (PV) solar panels are made up of many solar cells. Solar cells are made of silicon, like
semiconductors. They are constructed with a positive layer and a negative layer, which together create an
electric field, just like in a battery.
How Do Solar Panels Generate Electricity?
PV solar panels generate direct current (DC) electricity. With DC electricity, electrons flow in one direction
around a circuit. This example shows a battery powering a light bulb. The electrons move from the negative
side of the battery, through the lamp, and return to the positive side of the battery.
With AC (alternating current) electricity, electrons are pushed and pulled, periodically reversing direction,
much like the cylinder of a car’s engine. Generators create AC electricity when a coil of wire is spun next to
a magnet. Many different energy sources can “turn the handle” of this generator, such as gas or diesel fuel,
hydroelectricity, nuclear, coal, wind, or solar.
AC electricity was chosen for the U.S. electrical power grid, primarily because it is less expensive to
transmit over long distances. However, solar panels create DC electricity. How do we get DC electricity into
the AC grid? We use an inverter.
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