How to make a solar charging bag

How to make a solar charging bag

Now a Days Solar Products going Crazy over the world, Sometimes, losing power could be dangerous. Never worry about a dead cell phone again! Charge your portable electronics by harnessing the power of the sun.

              

	Material Required
1	Solar Panel
2	A flat-head screwdriver
3	A Phillips-head screwdriver
4	Wire cutters
5	A wire stripper
6	Power bank
7	A diode
8	Soldering materials
9	A spare USB cord for your device
10	Clear plastic vinyl
11	Scissors
12	Sewing materials
13	Hot glue
14	Connector

 

Step By Step Instruction

 

·         Step 1: Remove the solar panel from the light fixture with a screwdriver, Check the two wires and attach to rechargeable battery.

·         Step 2: Test the voltage Place the solar panel in direct sunlight, Solar panel has two terminals and even voltmeter have two terminals i.e Positive and Negative terminal. Connect the positive probe of the voltage meter to the panel's positive wire and the negative probe to the negative wire. The screen on the voltage meter will give you a reading. Note the reading of the panel. For maximum output you must check the panel in sunny day or noon.

·         TIP: Make sure the meter's probes are connected correctly, or the voltage meter reading will be very low or negative. below circuit is used for charging circuit. Before connecting the panel directly to the USB you need charging circuit.

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              Step 3: If you need more voltage add more panels and connect in series and check the voltage

·         Step 4: Add a Blocking and Bypass diode using the soldering equipment, solder the diode to the positive wire. The Blocking diode will restrict the flow of electricity to one direction. A stripe on one end of the diode tells which way the electricity will flow through it. Face the diode stripe away from the solar panel, which will prevent any stray current from flowing back into the solar panel.

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·         Step 5: solder the wiring in USB Cord the positive and negative wires in the USB cord to the corresponding wires of the solar panel. If using more than one panel, solder to the panel with the unused wires. Then, take the panels out into direct sunlight and see if they charge your device.

·         TIP: To increase the stability of the solar panels, hot glue them to a piece of cardboard.

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·         Step 6: Add the solar panels feed the USB cord carefully and again check the continuity of the panel and USB cord. then check the voltage with voltmeter. Check all the  wiring properly and power up.

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   Remember: Insert all the equipment and panel carefully in bag and cover properly.