Solar Charge Controller 12V 24V 20A PWM Smart Dual USB Solar Panel Charge Controller Regulator LCD Display with Power Off Memory Function

Specification: Batt voltage 12V/24V auto Charge current 20A Discharge current 10A Max solar input 23V Overvoltage protection 16.5V Equalization 14.4V Float charge 13.8V (default, adjustable) Discharge stop 11.0V (default, adjustable) Discharge reconnect 12.6V (default, adjustable) Charge reconnect 13V Voltage of open light Solar panel 8V (Light on delay) Voltage of close light Solar panel 8V (Light off delay) Terminal scale 28-10 AWG Self-consume <12 mA USB output 5V/2A Operating temperature -35~60? Size 188*93*42mm / 7.4*3.7*1.6in Weight Approx. 323g / 11.4oz Tips: All red voltage is only for 12V system, please double it while using 24V system.   Package list: 1 × Solar Charge Controller 1 × User Manual   Note:  1. The regulator is only suitable for lead-acid batteries: OPEN, AGM, GEL. Not suitable for NiMH, Li-ion or other batteries. 2. Make sure your battery has enough voltage for the controller to recognize the battery type before first installation. 3. The battery cable should be as short as possible to minimize loss. 4. The charge controller is only suitable for regulating solar modules. Never connect another charging source to it.