How to make a Power bank with a solar battery

How to make a Power bank with a solar battery
Summer is coming soon. There are more and more sunny days. Travel awaits everyone. And it’s just great if you have an external battery that can be charged from sunlight. You can always stay connected and charge other USB devices, be it a tablet or an MP3 player. The thing is extremely useful and convenient. You can assemble it yourself without much effort and expense.

You will need the following parts

Making an external portable battery with a solar panel

Using a hacksaw, cut a piece 10 cm long from the PVC pipe.
How to make a Power bank with a solar battery
Holding a piece of pipe over a gas burner with pliers, let it soften.
How to make a Power bank with a solar battery
Using two pipes we form the workpiece.
How to make a Power bank with a solar battery
We cut off the uneven edges with a hacksaw and sand them with a file.
How to make a Power bank with a solar battery
We cut out two plugs on each side from sheet plastic.
How to make a Power bank with a solar battery
How to make a Power bank with a solar battery
We take three batteries and tie them with tape. Using serviced wires we connect everything in parallel.
How to make a Power bank with a solar battery
We take the charging module and make slots in one of the plugs for its connectors.
How to make a Power bank with a solar battery
How to make a Power bank with a solar battery
We solder the wires from the batteries to the module.
How to make a Power bank with a solar battery
Solder the wires to the solar panel.
How to make a Power bank with a solar battery
In the center of the body we make holes for the wires and install the solar battery.
How to make a Power bank with a solar battery
We fix it with glue.
How to make a Power bank with a solar battery
We take a resistor and a diode.
How to make a Power bank with a solar battery
We connect in series and insulate with heat shrink. We solder it parallel to the solar panel.
How to make a Power bank with a solar battery
Next, we solder the diode so that the current flows from the panel to the battery, and not vice versa.
How to make a Power bank with a solar battery
Glue it in Light-emitting diode, which will indicate the charging process. We paste the module. We solder everything.
How to make a Power bank with a solar battery
Close the lid and secure it with glue.
How to make a Power bank with a solar battery
Even with little light, Light-emitting diode shows that the solar panel is generating electricity and charging is in progress.
How to make a Power bank with a solar battery
If there is no sun, you can charge the power bank from the mains using a regular charger.
How to make a Power bank with a solar battery
How to make a Power bank with a solar battery
And then use it for its intended purpose.
How to make a Power bank with a solar battery

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Comments (1)
  1. Guest Sergey
    #1 Guest Sergey Guests 14 March 2021 16:06
    0
    and lithium will never charge