Specification: Name: 30A 12V/24V LCD Display PWM Solar Panel Charge Controller. Rated voltage: 12/24V AUTO. Charge current: 30A. Max.PV input power: 390W(12V),780W(24V). Max solar input: 50V(12V/24V). Equalization: 14.6V. Float charge: 13.8V (13-15V),27.6(26-30V). Charging mode: PWM. Terminal scale: 28-10AWG. Waterproof level: IP32. USB output: 2 way USB output,5V/2A(Max.). Self-consume: <13mA. Operationg temperature: -20-55??. Color: White/Orange/Blue. Size: 185mmx93mmx35mm. Feature: Build-in industrial micro controller. Big LCD display,all adjustable parameter. Fully 3-stage PWM charge management. Build-in short-circuit protection,open-circuit protection,reverse protection,over-load protection. Dual USB output,the maximum current of 2.5A,to support mobile phone charging. Can choose the loading control template, in the evening time can be set on the street. Accurate temperature compensation,correct charging and discharging voltage,automatically prolong the service life of the battery. Input terminal positive and negative extreme reverse connection protection. System connection: 1. Connect he battery to the charge regulator-plus and minus. 2. Connect the photovoltaic module to the regulator-plus and minus. 3. Connect the consumer to the charge regulator-plus and minus. Package Included: 1 X 30A PWM Solar Charge Controller 1 X English Manual