Solar Controller 30A 20A 10A 12V/24V LCD PWM Voltage Battery PV Cell Panel Charger Regulator Lamp 100W 200W 300W 400W 500W Regarding logistics issues. Please don't give us bad reviews. The logistics factor is beyond the seller's control. If you encounter logistics problems, please contact us in time, we will help you solve the problem, if there is no way to solve your problem, we will notify the AliExpress platform to refund. Thank you. This is very practical type PWM solar controller ,it is small and light ,you can use 12V and 24V Lead acid ,Gel,Sealed,Flooded,AGM Batteries.It can fully meet your home Photovoltaic system(including home lighting system )requirements RBL-10A , Max Voc : 24V (12V), 48V (24V); Max Power: 120W (12V), 240W (24V) RBL-20A , Max Voc : 24V (12V), 48V (24V); Max Power: 240W (12V), 480W (24V) RBL-30A , Max Voc : 24V (12V), 48V (24V); Max Power: 360W (12V), 720W (24V) RBL-40A , Max Voc : 24V (12V), 48V (24V); Max Power: 520W (12V), 1040W (24V) RBL-50A , Max Voc : 24V (12V), 48V (24V); Max Power: 650W (12V), 1300W (24V) RBL-60A , Max Voc : 24V (12V), 48V (24V); Max Power: 780W (12V), 1560W (24V) Features 1.Build-in industrial micro controller. 2.Big LCD display,all adjustable parameter. 3.Fully 4-stage PWM charge management. 4.Build-in short-circuit protection,open-circuit protection,reverse protection,over-load protection. 5.Dual mosfet Reverse current protection ,low heat production. Recently, there are many similar products on the market, their prices are different, and the sales volume are also large, but please note that only Yong Hui Store products are 100% authentic and the highest quality. If you are a distributor, we can provide permanent after-sales Service, we can provide you with free samples and competitive prices! Product Specification: MODEL RBL-10A RBL-20A RBL-30A RBL-40A RBL-50A RBL-60A Battery Voltage 12V 24V Auto Charging Current 10A 20A 30A 40A 50A 60A Discharging Current 10A 10A 10A 20A 30A 30A Max Solar input 48V(for 24V battery) 24V(for 12V battery) Equalization 14.4V(Sealed) 14.2V(Gel) 14.6V(Flood) 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 Panel8V(Light lights delay) Voltage of close light Solar Panel8V(Light off delay) USB output 5V/3A Self-consume 10mA Operating temperature -35C~+60C Size 133.5*70*35mm 188*90*47mm *all red color voltage X2 ,while using 24V 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. The reverse order applies when deinstalling! An improper sequence order can damage the controller!