Features:  - With Voltage & Current & Temperature Display.  - Support detection for the Vpmax for the panel, Not just charging voltage.  - 32 bit MCU high-speed kernel ARM CORTEX, CPU running speed 72MHz.  - 13 new function LCD menu, Adjustable charging parameters.  - One-click to restore factory Settings, One-click to reboot.  - Fully 3-stage PWM charge management.  - Build-in short-circuit protection,open-circuit protection,reverse protection, Over-the-load protection.  - ST/IR/ Infineon imported dual MOS MOSFET for anti-reverse circuit - 1oZ copper foil thickness, applicable in -35 ~60°C, high-temperature protection.  - Use ±1% high precision resistance, the high-temperature solid-state capacitor on the PCB board with thickness over 2mm.  - Ultra-low power consumption 12mA@12V.  - Double USB 5V 2A.     Applicable Battery Type:   - B01: lead-acid battery (13.7V).   - B02: lithium polymer battery (12.6V).   - B03: lithium iron phosphate battery (14.4V).     Specification of 30A Controller:  Rated Voltage: 12/24V Auto-Adaptive.  Rated Current: 30A.  Applicable Pmax & Voc in 12V Solar System: 390W, 15-25V.  Applicable Pmax & Voc in 24V Solar System: 780W, 30-50V.  Equalization: 14.4V.  Float charge: 13.7V (defaul,adjustable).  Discharge stop: 10.7V(defaul,adjustable).  Discharge reconnect: 12.6V(defaul,adjustable).  Charge reconnect: 13V.  Voltage of open light: Solar panel 8V(Light lights delay).  Voltage of close light: Solar panel 8V(Light off delay).  USB output: 2 way USB output,5V/2A(Max.).  Self-consume: 1A).  About the Temperature Display:   Charging will stop at >80.   Charging will restart at <70.  System connection:   1. Connect the 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 PWM Solar Charge Controller 30A 1 x User Manual