Description:/n LCD 10A 20A 30A Auto Solar Panel Regulator Charger Controller Dual USB 12V 24V Features: /n Built-in micro controller./n Large screen LCD display./n Charge and discharge parameters can be adjusted./n With power off memory function./n Dual USB output. Support for iPhone charging./n Fully 4-stage PWN charge management./n Built-in short-circuit protection, open -circuit protection, reverse protaction, over-load protection./n Reverse current protection, low heat protection, lightening protection, Light control &delay time/n Specification:/n System voltage output: 12V/24V auto work/n Current rating: 10A/n EER: 93%(PWM2.0)/n Output: USB DC 5V Recharge the phone), DC 5V*2(2.1A)/n Control mode: PWM pulse debug mode/n Equalization: 14.4V/n Float charge: 13.7v(defaul, adjustable)/n Discharge stop: 10.8v(defaul, adjustable)/n Discharge reconnect: 12.6(defaul, adjustable)/n Charge reconnect: 13v/n Self-consume: Eztronics Corp®