new blocking diodes to prevent power from leaking back into the solar
panels at night. An easy-to-install, high-efficiency blocking diode made
in the shape of a fuse to fit into a standard fuse holder (included).
These special low voltage drop schottky diodes can carry up to 5 amps.
Perfect for many types of solar modules.
NOTE: The black stripe on the diode needs to be facing the charge controller in the +ve line of cable.