Micro Cooling Fan Powered by 4 Aa Battery?

Introduction: Solar Powered AA Barrage fire Charger

Rechargable batteries are a great invention, simply if you dont have an outlet nearby to charge them, they are usless. So I designed a star powered battery charger, which allows you enough power to charge a single AA battery wherever the sun may shine.

I chose to do this project in cardinal steps:
For the first time I set it up to run that I generated the needed voltage (3-7).
And so I set information technology up to finalize, by using electrify instead of alligator clips, this ready-made IT both see better and was easier to work with (8-10)

People have told me that 1 V is not sufficient to charge a battery. I looked a rechargable battery and it said "charge: 1-2 volts." I would also like to add that I switched the tester to 2.5 volts and the meter moved to 50%. This tells Pine Tree State I ut not only generate 1 V, simply 1.25 volts give or subscribe to...

Ill-trea 1: Materials

Here is a list of the Materials you will motive to cheer the Battery charger I have made,
-Light socket engaged to wood (with outlet plug)
-100 James Watt electric light
-Hot glue gun
-Two star panels
-Electrify
-Three alligator clips
-Rechargeable AA battery
-Board
-Voltage tester
-Battery holder

Erstwhile you gather your equipment, I suggest plugging in your Tropical Paste Gun, then it is available to you once needed (Maltreat 4)

Tread 2: Stair One

Take your wire and punctured off two pieces that are astir 4 to 5 inches long each. Once you have them cut, connect the wires to the stamp battery holder, one wire to the postivie side, and the other to the blackbal side.

Stone's throw 3: Step 2

Link one gator clip to the blackbal along the Emf tester, and the other bulldog clip to the positive.

Step 4: Pace Three

Set the Voltage tester to 1 V (DC). Rechargeable AA batteries need 1-2 volts for them to charge, this wish allow you to see that you generate leastways 1 volt.

*Make sure that the electric potential is on Direct current and NOT AC*

Step 5: Step Four

Take your Glue Gun and glue the two solar panels collectively, examine to match them upwardly so that the negative of on panel is adjacent to the positive of the other star panel.

*See picture show two if you get this confusing.*

Step 6: Step out Five

Connect the negative of one panel to the positive of the strange panel, and then join the remaining positive to the positive on the voltage tester, and the remaining negative to the negative along the voltage examiner.

Step 7: Step Six

Chew in and turn connected the phosphorescent. Test that the voltage given off by the solar panels gives you at least one Volt; this is sufficient to charge the AA battery.

*In one case you have done this, you rear end remove the gator clips from the quizzer and solar panels.*

Pace 8: Step Seven

Connect United of the postives on one and only star panel to the negative on the otherwise solar panel using conducting wire.

*Alone connect Unrivaled overconfident to Unitary negative.*

Step 9: Step Eight

You should have one positive and 1 negative remaing, connect the negative on the battery holder to the left over negative on the panel. Then connect the remainging (positive) telegraph happening the barrage bearer to the positive on the remaining panel.

Step 10: Step Ball club

Like a sho mucilage your solar panels and your battery holder to the wooden board.

Congratulations, you have made your own solar powered shelling charger!
Just make sure that unless you hold sunlight and are charging a bombardment, manage not have the Battery in the holder. Otherwise IT may fall back its charge.

Be the World-class to Portion out

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Source: https://www.instructables.com/Solar-powered-AA-Battery-Charger/