AVIRA INNOVATION Solar Panel Charger Controller Battery Regulator Dual USB LCD Display PWM Solar Charge Controller

Product Description: - Rated Voltage: 12V 24V Auto - Application: Solar System Controller - AUTO DETECT â?? AGM, GEL, OPEN - Current: 30A - With Timer and light sensor,it could work for solar light system. - Only For off-Grid PV Solar System. For 12V Pv System: 120W Solar Panel,12V Lead-acid Battery,21V for Max input Voltage For 24V Pv System: 240W 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.