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How to Wire Solar Battery Chargers

Solar battery charges are an ecological friendly method of charging batteries. Not only are these chargers good for the enviornment, but also cost-effective. Luckily, these solar chargers run off a simple circuit and are easy to wire. With the right instructions and a few tools, most people can wire solar battery chargers in no time.

Supplies:




  • Electrical wires

  • Electrical tape

  • Battery holders (2)

  • Solar panels (2)

  • Blocking diode

  • Multimeter

  • Rechargable batteries




  1. Take the two battery holders and wire them together. Connect the positive end of one holder to the negative end of the other. Twist the ends of the wires together and secure them with electrical tape.

  2. Wire the two solar panels together, also connecting positive ends to negative ends. Secure by twisting and covering with electrical tape.

  3. Take the blocking diode and connect it to the positve wire coming from the battery. This is essential for the current to flow the right direction.

  4. Take the wired battery holders and connect to the wired solar pannels. Take the negative wire from one solar panel and connect it to the negaitve wire of the battery pack. Do the same with the two positive wires that are connected to the solar panel and batter. Connect the positive wire leading from the battery pack, which connects to the blocking diode, to the positive wire of the solar panel. Secure by twisting and covering with electrical tape.

  5. Use the multimeter to test the circuits. Check each circuit--the outside of the diode, the other side of the diode, and those between the diode and solar panel. The multimeter should give normal readings.

  6. Check the wires to make sure they are all connected securly.