15A Low-Heat Ideal Diode Controller

High-precision 15 A ideal diode controller module, measuring 23 × 28 mm (0.9 × 1.1 in) and weighing only 5 g (0.2 oz). Rated for 3–28 V DC input and capable of sustaining 15 A continuous current. Implements active MOSFET-based regulation with millivolt-level voltage comparison to detect and halt reverse current flow before it begins — far exceeding the response speed and accuracy of passive components. Designed to replace traditional high-current diodes in solar charge paths, it reduces forward conduction loss, avoids thermal runaway risks, and ensures stable, clean power delivery to batteries. Especially effective in multi-panel solar installations where mismatched illumination can trigger damaging reverse currents between branches.