This SunBender Do-it-yourself solar kit includes everything you need to build your own solar charger for smartphones or other small device that charges using a USB cable.
You can just glue it together as shown or build your own housing. Make your backpack a solar charger for your phone!
5V 230mA polycrystalline solar panel
USB Voltage regulator 5V output
3.7V 3000mAh lithium polymer battery with charge control circuitry
Diode, wires and shrink tubing
Kit requires soldering. Tools/supplies required: Soldering iron and solder, hot glue gun with glue sticks, hair dryer.
Optional: Add a second solar panel to increase charging current to 460mA for additional $9.00.
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All prices are in USD.