About Our brand Thanks for choosing CP Series solar charge controller, BYGD is always pursuing thecombination of high quality and fashion design,to change the industrial productmore acceptable by common family.BYGD product chooses high performancecomponents,with strict production standard,BYGD ensures product with longlifespan and stable quality,before enjoy the advantages BYGD bring toyou,please read the user manual carefully. About this controller: 1.Show current Connect the controller to 12V or 24V battery,the screen will show thecurrent for 5 seconds,user knows the specification you purchase. 2.Input current &.voltage display User can see the input current and voltage from the solar panel,thefunction helps user to test the quality of solar panel(current x voltage =power). 3.Battery voltage display &.charge status When battery is being charged ,theis indicate light will flashing,meanwhile you can read the battery voltage. The function helps user master battery statusclearly. 4.Output current display When 12V or 24V load connected to the controller works,the screenshow the output current,this function helps user master the workingstatus of the load. 5. 4 pcs of USB output This controller have 2 groups of USB output(4 pcs),each group with 2Acurrent which able to charge 4 pcs of iPhone 6s at the same time. 6. 12V/24V auto.voltage distinguish function 7.Over-charge,Over-discharge,short-circuit protections,to ensuresystem safe and prolong battery life. 8. With battery temperature compensation,ensure charge status indifferent environment. 9.Three stage charge mode:strong charge,constant current,floatingcharge intelligent control. 10.lf no operation after three minutes, the system automatically sleep,press any key to restore. Model NO. CP10A CP20A CP30A lnput Voltage