UEIUA Solar Charge Controller 20A 12V24V PWM Square Box Solar Energy Controller with Good Heat Dissipation Auto Switch Solar Panel Regulator

About UEIUA Brand UEIUA is dedicated on producing Solar Charge Controller for decades years, we have our own factory, so we could provide the item for you with the lowest price but good quality. Every one of our item will do full inspection before we sell it, so our quality can be assured. You could see from the Amazon, a lot of the seller is selling our items too, but our price is much more competitive. UEIUA Brand, your first choice. ?Specification: ?Maximum Charge Current: 20A ?Maximum Discharge Current: 20A ?Rated Voltage: 12V/24V automatically ?Stop Charging Voltage: 14.4V/28.8V ?Undervoltage Recovery Voltage: 12.6V/25.2V ?Undervoltage Protection Voltage: 10.8V/21.6V ?No Load Loss: ?10mA ?Temperature Compensation: -3mV/°C/Cell ?Working Temperature: -20°C~+60°C ?Item Size: 10.3 * 9.5 * 3.8cm / 4.05 * 3.74 * 1.49in ?Item Weight: 160g~180g / 5.64oz~6.34oz ?Warmly Tips <1>Please keep it in cool and well ventilated place to maintain good heat dissipation. <2>The regulator is only suitable for lead acid batteries:OPEN, AGM, GEL, not for nickel hydride, lithium, ions, or other batteries. <3>Make sure your battery has enough voltage for the controller to recognize the battery before first installation. Please make sure the rated voltage of solar panels, batteries the loads are the same. All of them should be 12V or 24V. The rated current of solar panels and load must be less than the rated current of controller. <4>Indoor use only: the working temperature of this controller is -20°C to +60°C, during hot sunny days, the temperature outside might go up to 60-75°C. Please do keep the controller stay in cool and well-ventilated place to maintain good heat dissipation.