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Can a 0.9V 400MA solar panel be used to charge 2 AA batteries?
Wiki User
∙ 15y ago
To charge a battery, the charger voltage must be higher than the battery voltage. If a AA battery (or any other) has a normal voltage of 1.2V the charger voltage must be at least 1.2V. The type of voltage supply and its current capability is immaterial. No, the charging voltage have to be larger than the battery voltage, to charge 2 AA batteries, that is 3 volt if connected in series, so a voltage of at least 4 volt is needed
Wiki User
∙ 15y ago
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How are solar cells and batteries similar in function?
Solar cells and batteries are similar in that they both produce electricity.
How many 290 lumen 7 watt light bulb is needed to power a 5 watt 12 volt solar panel?
None, since one does not normally "power" a solar panel. However a single 7w lamp would be useable with a 5watt panel but with reduced efficiency unless the panel was used to charge a battery first and then the bulb was powered by the battery.
How can one build a solar panel?
There are many ways one can build a solar panel. One can build a solar panel by making a template for solar cells, putting a frame together, and sanding the whole thing down.
How many watts are required to start a 7 HP 12 VDC motor you want to start the motor on solar panel?
For calculation purposes 1 HP is equal to 746 watts. So you have a total of 746 x 7 = 5222 watts. The amperage will be A = W/V = 7222/12 = 435 amps. You can not start the motor directly off of the solar panel. You would need a large 12 VDC parallel connected battery bank to obtain the amperage capacity to start the motor. The solar panels would be connected to the battery bank and used to charge the batteries after the start.
Explain operation of solar water pump?
A solar water pump, is basically like any other pump, accept that it is powered by a battery. Solar Panels use photovoltaic cells to charge the batteries, which in turn charge the pump. Water is then pumped from either an underground well, aquifer, or even aquitard. That water can be pumped, depending on the power level, to the surface or to a reservoir tower that feeds a system of pipes.
How long does it take to charge batteries with a solar panel?
No set answer to that. It depends on the capacity of the battery, the size and efficiency of the solar panel and the intensity of the sunlight.
Which Bateries are selected for solar panel construction?
Batteries are not used in solar panel construction
Does solar energy charge batteries?
Yes, if the batteries are rechargeable
How do people get solar energy?
solar panels that charge batteries.
Can you charge a solar panel with a flashlight?
No
How solar energy is used to run cars?
By using solar energy to charge the batteries
Is sunlight used to charge batteries?
It can be used with a solar battery charger.
How do you make a solar powered go-kart?
Due to the inefficiencies in solar panel technology you likely could not create a direct feed go-kart which feeds solar power direct to an electrical motor to drive the kart. You would need to have solar panels set up to charge batteries and those batteries would then drive an electrical motor in a go kart.
How long to charge a 12V deep cycle battery with a 135 watt solar panel?
A few variables are involved like, does the solar panel have a charge controller, what condition the battery is before you start and how much sun is the solar panel receiving.
With regular batteries will solar light still charge?
Regular batteries will power a solar light until they run out of power. But regular batteries can't be charged from the solar cells unless rechargeable batteries are used instead. There is also a bit of circuitry involved.
How do solar yard lights work at night?
Solar lights have a solar panel, control board, photocell sensor, Ni-Cad batteries and a LED (light emitting diode) bulb. The solar panel captures the sun's photonic energy during the day. This electrical current is stored in the Ni-Cad (nickel-cadmium) batteries. The photocell sensor detects available light and the control board regulates flow into the battery. When the photcell sensor detects darkness, the charge stored in the battery is released to power the LED bulb during the evening. Of a morning, the light is switched off to recharge the batteries. Multi crystalline powered solar lights need full sun to charge however amorphous solar panels are still able to charge in overcast conditions.
Can solar lights work in the dark?
Yes, the panels charge batteries that will allow it to work in the dark, until the charge runs out. Yes. They put out light in the dark of night and then they charge up when the Sun comes up. Solar lights collect solar photon energy during the day through their solar panel. This energy is converted into electricity and stored in the rechargeable (usually Ni-Cad) batteries. A photocell sensor detects whether there is sunlight available or not and acts to switch the lights on based on this. The electricity stored in the battery is regulated by a control board and, at night, the charged batteries provide power for the LED light. Once daylight returns, the panels repeat the process of charge.
