20A 30A 40A 10A Solar Charge Controller Battery Regulator 12V/24V 3 Timing

MPPT 40A MPPT 20A MPPT 30A 10, Overload, short-circuit protection. 5, A key to open and close the load. 8, Battery reverse polarity protection. 13.8V 12V system /27.6V 24V system. 10.6V 12V system /21.2V 24V system.

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