Solar lights are powered by solar energy from photovoltaic solar panels that collect sunlight and store it in rechargeable batteries. There are three main types of solar lights: 1) Solar sky lights that dim and brighten based on sunlight levels to conserve energy for building interiors. 2) Photovoltaic lights use solar panels to store energy in batteries for nighttime lighting and provide off-grid power for security or when utility power fails. 3) Solar street lights, commonly seen today, use solar energy collected by panels to power street lighting without using electricity from utilities.

1. Solar Lights – The
Energy Saver
RB Electronics
http://www.rbelect.com

2. What are Solar Lights?
• Solar Lights are the solar powered lights that
work with the help of solar energy.
• For the solar lights the main power source is
solar energy .
• The Solar light consists of a solar panel or
photovoltaic cell , which is used to collect the
sun’s energy & store it in a rechargeable gel cell
battery.

3. Types of Solar Lights
1. Solar Sky Lights
2. Photovoltaic Lights
3. Solar Street Lights

4. 1. Solar Sky Lights
• The solar sky lights are the lights
that interact with the sun and
clouds to dim and brighten indoor
lighting.
• These lights are useful for
conserving energy and a building’s
interior lighting controls.
• The solar panels are much smaller
and set on the roof and keep a
continuous check on when the sun
goes away & when there is a drop in
voltage
• The lighting levels keep on
fluctuating depending on the
naturally available sunlight

5. 2. Photovoltaic lights
• The photovoltaic lights or the
(PV) module is used to conserve
energy from the sun and place it
in batteries to provide the
necessary wattage of light supply
at night.
• This is generally used for energy
savings, cost savings, and
environmental reasons.
• These systems are called grid
free or stand-alone because they
generate their own electricity at
that specific site.
• These types of systems are also
used for security reasons as if the
grid fails at specific areas, the
lighting will still be available.

6. 3. Solar Street Lights.
• The Solar street lights are
the street lights that we
observe in our day to day life.
• The solar street lights simply
means that these street lights
uses the solar energy to
operate.
• The solar street lights uses
the solar panels to consume &
storage solar energy.

7. Save Energy Save Environment