Promotion of JUNE is SOLAR POWER SUPPLY!!!
What is SOLAR POWER SUPPLY? It's a new type of natural energy rescourse and we will used it widely in the future. employs solar energy to supply electricity to devices or charge batteries. They are generally portable. You can use with cell phone, digital camera, PDA, MP3, MP4.
Before you use it, you got to charge it under the sun for few hours. After that you could bring it out as spare battery. If will charge your cell phone over 30% of its maximum power supply. we also can call this as emergency power supply when you are outside, because you won't bring the battery charger every times.
