The batteries in a portable radio can be recharged you must buy rechargable batteries and a rechargable plug that you can charge them with the are great to have and save lots of money.
The difference between a Philips portable radio and a standard radio are that a Philips radio is battery powered, while a regular radio is electrically powered.
Go to shops like slot and ask them
Radio communication works by converting sound waves into electromagnetic waves. These electromagnetic waves are then encoded in the radio frequency range of the FM or AM station your are listening to.
If you get rechargable batteries you can make any radio rechargable.
Portable radios use double A batteries the most common battery around. There are a few minor ones that take triple A but thats not very common.
22 (1.5 volts each) AA batteries
Chemical energy in portable radios is typically stored in batteries. The batteries provide the electrical energy needed to power the radio's circuits, including the components that generate sound such as the speaker or headphones.
Yes, there are portable TV Radio Combos available.
Alexander Stepanovich Popov was the inventor of the first portable radio
A portable boombox is one that you can take with you to the beach, on a boat or anywhere else where you wouldn't necessarily have access to an electrical outlet. They usually run on batteries and can have an am/fm radio and cd player along with other features.
There are multiple options available to bring portable radio to your driving experience. For example, you can use a portable HD radio receiver like this one: http://reviews.cnet.com/car-audio/jvc-kt-hdp1-portable/4505-3425_7-32685789.html Satellite radio providers also offer portable receivers.
There are many places where one can purchase a portable AM/FM radio. One can purchase a portable AM/FM radio at popular on the web sources such as Best Buy and Amazon.