Description: OOTDTY , Feature: 12V acid battery dedicated charging management IC has MPPT-solar cell high tracking power point. PWM step-down mode IC to manage the charging of the 12V acid battery, which automatically manages the charging of the acid battery. It has the advantages: a small package, a few peripherals and simple use. With trickle, direct current, overcharge protection and floating charging modes, it is very suitable for charging 12V batteries. In overcharge and variable charge modes, typical charging voltages are 14.8V and 13.55V, respectively; In DC charging mode, the charging current is set by an external resistor. Specification: Material: Electronic Parts Size: 4.9x3.1cm/1.93x1.22in Color: Red Quantity: 1 Piece Note: Transition: 1cm=10mm=0.39inch. Due to manual measurement, please allow 0-1cm error. Before you place your bid, make sure you don't mind. Due to differences between monitors, the image may not reflect the actual colors of the item. Thank you! Package Included: 1 x Controller (Other accessories are not shown).