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Charge controller suitable for installations up to 20A at 24V. It is a PWM type.
PWM charge controllers simply connect the photovoltaic panel to the battery (12/24/48V), acting as simple switches. When the switch closes, the panel voltage matches that of the battery.
The result is that the voltage of the array that the PWM controller can accept depends on the battery voltage and is low, typically one to two panels of 100/200Wp in series and with correspondingly low charging current compared to the capabilities of an MPPT charge controller.
Based on the above, PWM charge controllers are ideal for smaller systems where system efficiency is not such an important factor and for solar collectors with a maximum power voltage (Vmp) of up to 18V for charging a 12V battery.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.