Translations:Charge controller/20/en

As the charge controller cannot regulate the voltage of PV source, the modules/array must be designed to work with the voltage of the battery bank. This means that the PV source will have to operate at a relatively low voltage. There are limited module configurations that will work properly with a PWM charge controller:

• A 36-cell module is referred to as a 12 volt nominal module and will be able to supply an appropriate voltage to a 12V battery bank. These modules can be put in parallel to supply more power for a 12V battery bank or can be connected together in series (2 per series string for 24V battery bank and 4 per series string for a 48V battery bank).
• A 72-cell module is referred to as a 24V nominal module and will be able to supply an appropriate voltage to a 24V battery bank. These modules can be put in parallel to supply more power for a 24V battery bank or can be connected in series (2 per series string for a 48V battery bank).