How to Make a Solar Bottle Light Bulb

solar light bulbA solar bottle light bulb, an innovation introduced in the Philippines by Illac Diaz of MyShelter Foundation, as a cheap alternative to other light sources. It was an ingenious invention by an engineer in Brazil. It is called “bottle bulb” because it is made of an empty 1.5 liter soda bottle and in it is a liquid bleach and purified water that can be used as an alternative electric powered light bulb. However, it is only useful during daytime but its luminance was tested and shown to produce as much light as a 50W incandescent bulb.

How to make your own Solar Bottle Light Bulb?

The materials are the following: 1.5 liter soda bottle, 1’x1’ roof sheet material, purified water, camera film dispenser, chlorine and a rubber sealant.


Step 1. Fill the 1.5 liter clear soda bottle with purified water then add 3 tablespoons of liquid bleach and tightly seal the cap. Do not use tap water because this will allow the growth of moss.

Step 2. Make a hole in the 1’x1’ roof sheet material, just the same size of the bottle’s circumference and insert the bottom part of the bottle leaving it exposed under the sunlight.

Step 3. Next, make another hole on the roof of the house (same as the bottle’s circumference) where you want to put the solar bulb and firmly fix the device.

Step 4. Seal the roof with a sealant to prevent raindrops from getting inside the house. It will produce a light when the water inside the bottle bulb refracts and scatters the light inside the house.

The solar bulb is expected to last up to two years before it needs changing.

Watch the video of Solar Bottle Bulb from GMAnews.tv

In “Serbisyo on the Go,” Kara David visits a community in Laguna where residents are having a hard time paying their electricity bills. To keep power costs down, social entrepreneur Illac Diaz and the Rotary club taught residents how to make “solar light bulbs” using plastic soda bottles, water, and bleach.

Website: isanglitrongliwanag.org

online jobs for Filipinos

Do you like this money making business idea? then please consider subscribing to our RSS feed and have new articles sent directly to your inbox.

You may also like...

30 Responses

  1. Excellent information you have shared, thanks for taking the time to share with us such a great article. I really appreciate your work.

  2. So we need a special security system which can protect our cyberspace from any attack and malfunctioning. Norton antivirus offers complete protection against any digital threat

  3. norton.com/setup says:

    Through easy installation, Norton integrates flawlessly with your device for delivering dynamic results for the best defense against viruses, malware, Trojans, and cyber crooks.

  4. In the event that you just obtained Norton Retail Card from the store or online please visit into your web program to reclaim and enact your Norton Security item on the web.

  5. Korkor Lawson says:

    i am interested in organic farming .Any ideas?

  6. Al Laribs says:

    bkt d gumagana ang solar

  7. Al Laribs says:

    ano klase bleach ginagamit ng solar

  8. Joseph Domingo Tibi Ensano says:

    That 1.5 softdrink bottle is made of plastic. It will go brittle and break up after awhile. Can we use the 1 liter glass bottle instead? Or is there something wrong with a glass bottle?

  9. Patrick Diaz says:

    can I use other materials other than g.i. sheets?

  10. Nims Arque says:

    By the way, why not use transparent roofs instead? I use transparent roof in my house and its make my house so bright during day time..

  11. Nims Arque says:

    However it helps a lot in reducing electric bills..Great, like it..

  12. Nims Arque says:

    It works only during sunny days, and useless during night time. right?

  13. great I'm trying 1 by 2morro.

  14. An_tiwi says:

    i will try this at home..It’s really amazing.

  15. Joshuapenuela says:

    WOW GALING !!!!!

  16. bert says:

    what about the camera film dispenser purposes?

  17. Neha Sahni02 says:

    hi…. v tried making this solar light bt i dont know.. there is some mistake… v used the liquid bleach that v use 2 remove stain from cloths.. plzzzz tell me where is the mistake.. can u tell me the chemical name of the liquid bleach so that v can be specific which bleach 2 use…?

    • John Ysula says:

      ang galing yan ang ippresent kong product sa proposal ko sa technical writing namin

  18. Getbent20 says:

    been there done that that’s not a invention ….be serious..wow..you wanna better invention ..I will give it to you ..and 50 percent of all proceeds…..buh buy..getbent20ymail..

  19. Aumjr921 says:

    does it glows at night?

  20. Khenn_14_23 says:

    is this also effect at night?

  21. amr nor says:

    Wow great idea i need to try this.

  22. Guest says:

    why in the first place, windows not built to allow light in?

    • Talljhe says:

      dpnds if your house is small like theres and you live in squatters like em filipinos

      • nikki.rillon@yahoo.com says:


  23. FUARROYO says:

    Salamat na lang di si gloria ang presidente ngayon..sigurado ginto na nmn yan sa kanya yan..busog na nmn bulsa nia..ahahahaha

  24. Aggabao Jhun says:

    ang galing2..saludo po ko

  25. sean says:

    Wow great idea i need to try this. textmate

Leave a Reply

Your email address will not be published. Required fields are marked *