Renogy Rover 40amp 12V/24V DC Input MPPT Solar Charge Controller $56.25 + Delivery ($0 with Prime/ $59 Spend) @ Amazon AU
renish 
The Renogy Rover 40 Amp MPPT Solar Charge Controller is currently $56.25 @ Amazon, its usual price is $189 according to Camel it does sit around this price. I got one for my garage solar setup.
.Automatically detects 12V or 24V DC system voltages. Compatible with various Deep Cycle battery options: Sealed, Gel, Flooded, and Lithium.
.Innovative MPPT technology with high tracking efficiency up to 99% and peak conversion efficiency of 98%.
.Electronic protection against reverse polarity, overcharging, over-discharging, overload, short-circuiting, and reverse current.
.LCD screen and multiple LED indicators for displaying system operation information, customizable parameters, and error codes.
.Features diverse load control; also capable of charging over-discharged lithium batteries.
.Die-cast aluminum design allows for efficient heat dissipation.
