A solar lamp is a portable device composed of an incandescent lamp or LED, a solar panel and a small rechargeable battery.

It generally includes Ni-MH or Ni-Cd AA batteries, 2V/40mA solar panel and 12000mcd-15000mcd LED.

It can be used as outdoor (lawn and garden), indoor (i.e. a desk lamp used to read or study, with a brightness equivalent to 40 watts ) or as both type of lamps.

Discharging time is generally 8 to 10 hours.