| Brand | Unbranded |
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Check the listing for details. 300W MPPT Charge Controller 24V 36V 48V 60V 72V Solar Panel Boost Charger. Condition: New. Listed at 39.61 USD. No-load Loss: 25mA (for 18V solar panels charging 24V battery); 20mA (for 36V solar panels charging 48V battery). -Max Solar Panel Power: ≤300W. Inside, you will find a 2-digit dip switch. Set the switch to the “ON” position to enable the child lock and set it to positions “1” and “2” to disable the child lock.