PWM 20A Dual USB Solar Charge Controller 12V 24V

Description: • 100% brand new and high quality. • Specifications: • Rated Voltage: 12V 24V Auto • Application: Solar System Controller • Current: 20A • With Timer and light sensor,it could work for solar light system. • Only For off-Grid PV Solar System. • For 20A 12V Pv System: 240W Solar Panel,12V Lead-acid Battery,21V for Max input Voltage • For 20A 24V Pv System: 480W Solar Panel,24V Lead-acid Battery,42V for Max input Voltage • Safety Instructions: • 1.Make sure your battery has enough voltage for the controller to recognize the battery type before first installation. • 2.The battery cable should be as short as possible to minimize loss. • 3.The regulator is only suitable for lead acid batteries: OPEN,AGM, GEL
it is not suited for nickel metal hydride, lithium ions or other batteries. • 4.The charge regulator is only suitable for regulating solar modules. Never connect another charging source to the charge regulator. • Features: • 1.Build-in industrial micro controller. • 2.One-key setting,digital display,auto memory function. • 3.Fully 4-stage PWM charge management. • 4.Build-in short-circuit protections,open-circuit protections,reverse protections,over-load protections • 5.Dual mosfet Reverse current protections ,low heat productions. • System Connection: • 1.Connect the battery to the charge regulator - plus and minus.it will show 1 ,if it detects 12V battery, 2 if it detects 24V battery. • 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! • Size: 133x70x32mm/5.2x2.7x1.3"