Light Sources

Light sources

Incandescent bulbs flashlights Yes Depends on number of bulbs and batteries used but is usually moderate to high Good

Name

LED Lantern

Dynamo flashlight

Headlight

Batteries

Yes Depends on number of LEDs and batteries used but is usually low Good

No Depends on number of LEDs but is moderate and also depends on energy stored Good

Yes Depends on number of LEDs and batteries but is usually low

Weight

Light or Heavy Depends on size

Light or Heavy Depends on size

Light

Light or Heavy Depends on size

Good for

Anywhere

Anywhere

Anywhere

Anywhere

Maintenance

Just change batteries and clean lenses

Just clean lenses

Just change batteries and clean lenses

Just change batteries and clean lenses

Consumptions

Air quality

Good

Candles

Gas lamps

Oil Lamp

Glow stick

No

Gas Bottles

Oils or Petrol

No

Depends on Size and Type of wax used

Depends on size of Bottle and

Depends on size of deposit

Depends on size but is usually very high

Bad

Bad

Good

Light or Heavy Depends on size

Light or Heavy Depends on size

Light even when they are big in size

Outdoor spaces or indoors with good ventilation

Outdoor spaces or indoors with good ventilation

Anywhere

Change gas bottle, clean glass and change net inside

Fill deposit, clean glass

None

High consumptions means that the light doesn’t last long. The opposite means that the light lasts a lot.

Bad Light or Heavy Depends on size Outdoor spaces or indoors with good ventilation Clean wax and change candle