Photovoltaic solar panels are arrays of photovoltaic cells which uses renewable energy from sun. Thus the energy produced is very clean and environment friendly. These photovoltaic panels come in various sizes. Each panel size is designed for particular purpose of work. For example if your entire house requires power supply then it is advised to go for solar photovoltaic panels of many hundreds of watts or you can go for few watts only to recharge batteries. It depends on the amount of consumption you need.
If you want to charge small hand held electronics you can buy small photovoltaic panels from the various suppliers. Some companies sell a range of lightweight solar photovoltaic panels. Some have striking attributes that you can roll up or fold according to your wish.
You can also find specially designed solar panels with PV arrays to power home. You can even purchase these types of solar panels from contractor or from direct supplier or even from online. Make sure that the solar contractor you choose is qualified and member of National Association of Certified Energy Practitioners website.
Some companies sell solar photovoltaic panels with smaller arrays along with charge controllers, batteries, cables, mounting brackets, and other parts necessary for a set up. If you want to set up for yourself you will get a kit where all the necessary equipments with instructions mention are there.
It is always advised that before purchasing solar photovoltaic panels always estimate the power needs in watts and the list of equipments you require.