Feature 1, Build-in industrial micro chip with good memory function. 2, Large screen LCD display with adjustable charging and discharging parameters. 3, Complete 3-stage PWM charging management. 4, The internal overcurrent/short circuit protection, open circuit protection and reverse connection protection are all self-restoring and non-damaging controllers. 5, Dual MOS Reverse current protection, low heat production.Features: 1. Build-in industrial micro chip with good memory function. 2. Large screen LCD display with adjustable charging and discharging parameters. 3. Complete 3-stage PWM charging management. 4. The internal overcurrent/short circuit protection, open circuit protection and reverse connection protection are all self-restoring and non-damaging controllers. 5. Dual MOS Reverse current protection, low heat production. Specification: Condition: 100% Brand New Item Type: UHF Antenna Material: ABS Voltage: 12V/24V Auto Adapt Optional Current: 10A, 20A, 30A, 40A, 50A, 60A Solar Panel Voltage: 12V; Three Stages: 18V, 24V, 36V Solar Panels Floating Charge Voltage: 13.7V Discharge Cut-off Voltage: 10.7V Discharge Recovery Voltage: 12.6V Standby Current: <10mA USB Output: 5V/2A Max Weight: Approx. 182g Package List: 1 * Solar Controller 1 * User Manual