ITEM NAME:1X(5A Mppt Solar Panel Regulator Controller Solar Charging Control Panel BaY7J9) 1X(5A Mppt Solar Panel Regulator Controller Solar Charging Control Panel BaY7J9) 1X(colour: red; Material: metal + PC; Module parameters:The modular nature: a real MPPT solar maximum power point tracking, automatic intelligent charge management, low power consumption; Input voltage: DC 8-28V input DC voltage. (Prohibition AC input); Output voltage: DC 5-26V stepless transmission For lower output voltage, please contact the owner. 6V battery can be charged either 12 or 8.4V, 12.6V, 16.8V lithium battery7.2V, 10.8V, 14.4V lithium iron phosphate battery. 2-4 string lithium batteries, lithium iron phosphate charge management board. Charge indicator: Yes. Fast charging red light long bright red and blue lights flash alternately charged. Full automatic stop.MPPT function: a. MPPT maximum power point automatic tracking, to maximize the full use of solar charging. Low pressure: 1V (as is the step-down voltage regulator, the input voltage is at least higher than the output 1V) Low power consumption: Yes! Ultra-low pressure designed to achieve low power consumption and high efficiency, professional adaptation of solar panels Operating temperature: Industrial grade (-40 ° to + 85 °); Load regulation: ± 1%; Voltage regulation: ± 0.5%; Conversion efficiency: Max: 93% Peak: 95% for different lighting