PowMr Solar Charger Controller 30A 20A 10A 12V 24V Battery Charger LCD Dual USB Solar Panel Regulator for Max 50V PV Input 2020 New ArrivalNEW ARRIVAL model, can auto recongize 12V and 24V Lithium-ion batteryOverview:This 10A 20A 30A solar controller is suitable for 12V 24V Lithium-ion battery (3 strings of 11.1V lithium batteries);Lithium iron phosphate batteries(4 string of 12.8V).Feature:1. Build-in industrial micro controller.2. Big LCD display,all adjustable parameter.3. Fully 3-stage PWM charge management.4. Build-in short-circuit protection,open-circuit protection,reverse protection,over-load protection.5.Dual USB 5V output ,max current can be 2.5A6. Dual mosfet Reverse current protection ,low heat production.Display: