OTHER PHOTOVOLTAIC SYSTEM PARTS

1)  Batteries
-Batteries store DC electrical energy in chemical form

-Batteries are rated as Amp-hour (Ah). A common battery specification is the number of hours that are  discharged.

Batteries store DC electrical energy in chemical form.

Batteries are rated as Amp-hour (Ah). A common battery specification is the number of hours that are discharged.

A battery with more than 20 hours discharge is said to have a discharge of
C/20.  More than 5 hours is C/5. Most batteries are rated at the C/20.