AS IN PICTURE. PLEASE VIEW EACH OF THE PICTURES TO GET A BETTER IDEA OF CONDITION CHARACTERISTICS BEFORE MAKING A PURCHASE. About this itemST6 series solar charge controllers have efficient and intelligent PWM 3 stage charging method, coping the heavy demand of power.The Solar Charge Controller can automatically identify the system voltage, fully compatible with 12V and 24V systems.With big white backlight screen and double-button man-machine interface, simple and clear, convenient and fast.Accurate temperature compensation, automatically adjust the charging voltage according to the ambient temperature, extend the life of the battery.Multiple protection: Overpressure, Short circuit, Overload, Over discharge, Overcharge automatic protection.
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