Translations:Basic stand-alone PV system components/6/en

A stand-alone PV system requires some type of energy storage system in order to provide energy at night or during periods of bad weather. The most common form of energy storage for stand-alone PV systems is batteries. There are many different kinds of batteries that each carries advantages and disadvantages. If there are multiple batteries in a system, they are arranged together into what is referred to as a battery bank. The term battery bank may be used for simplicity even if there is only one battery in the system.