6v Solar Charger

i hoked up 4 little solar pannels and my mulit meter said it put out about 6.2v and then when i hoked up a little 5v motor it did not make it spin and i dont know what the problem is because it has 6v and it only needs 5v and it still is not working.

Your solar cells develop 6.2v with no load, and next to nothing with a substantial load because they have a high source impedance and cannot deliver significant amperage. The motor has a low impedance and the cells cannot deliver the amperage...

2008-06-26 15:03:35 by grant m

Solar Charger for various electronic devices, such as mobile phone, digital camera, cassette or CD player, radio, PDA, shaver...

I am looking to power a digital game camera that runs on a 6v battery. The big square type. I have added a solar charger however if the flash goes off to often in one day the battery is draned at a time when the solar charger isn't effective....

The YUKS, is correct about the ASCO automatic transfer switch. They are industrial grade a High $$$$ item.
If you want to transfer the power manually, you only need a DPDT (double pole, double throw) switch rated for the current that your...

2006-07-06 11:26:34 by PATRICK M

I have a small fishing finder that takes a 12v or 6v battery. I see solar panel chargers that hook up to the battery and charge that.. but my question is:

Is it possible to hook up the solar panel to the fishing finder without the...

You need the battery. Solar panels might not produce the full power required on cloudy days or if not facing the Sun. It that case, the battery draws at a faster rate than the trickler charger charges it. Under full power, the panel might...

2008-04-21 17:23:55 by Patrick L

I want to use 20 led's in parallel circuit, and want to use solar pannel for power, so that it can charge the charger in the day light and in the night it can glow for about 8 to 10 hours. please tell me if there is any kit available or i can get...

Total energy needed

= 10hr x 20 leds x 3.6v x 0.020 Amp
= 14 watt-hr.

So the 3.6 volt battery should be atleast 3.8 AmpHr capacity.

Usually solar panels are made for 12 volt batteries. You can...

2006-12-12 20:40:48 by shahgee

I have a childs electric car, for the 4-6 year old. It runs on a 6V 4.5 Ah sealed lead acid battery. This car came from Spain and has only a 220V charging unit that cannot, of course, plug into a standard American outlet. When I got it the...

The battery is doing what good sealed lead acid batteries do; slow decline in voltage after being disconnected from the charger.. Battery sounds good.

There are several things you can do:

Use the 220v you have in...

2008-08-17 07:38:04 by italo

Greetings, I have a project that I would like to tackle mostly because it will teach me things (nothing more annoying than a day without newly acquired knowledge). The topic is SOLAR ENERGY. I would like to make a solar charger for my cell phone...

My suggestion would be to make it comply with USB power requirement (500mA at 5V.) Then it could be used with pretty much any phone.

You can use lower voltage cells, then boost to the 5V level with a switching step-up converter. The...

2008-09-17 09:37:11 by CJ S