Minimum quantity for "50A PWM Solar Charge Regulator 12V 24V Auto LCD Display Solar Panel Battery Charge Controller with Dual USB 5V Output RBL-50A" is 1.
Please confirm the specification before install
Correct Connecting Order : Battery - solar panel - load
Disconnect : solar panel - battery - load
User Manual (RBL_Series_User_Manual.pdf, 636 Kb) [Download]
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