MPPT charge controller

Maximum Power Point Tracking charge controller — an electronic regulator that continuously matches a solar panel's output to the battery, extracting 20–30 % more energy than a simple PWM controller.

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Related M-terms

Mainmast

The taller (main) mast on a vessel with more than one mast.

Marlinspike

A tapered metal spike used to loosen knots, open rope lays, and work splices.

Mizzen

The small sail set on the mizzenmast of a ketch or yawl.

Mast

The vertical spar — originally timber, today commonly aluminium or carbon — from which the…

Mizzenmast

The shorter mast stepped aft of the mainmast on a ketch or yawl.

MFD

Multi-Function Display — a large chartplotter screen able to show radar, AIS, sonar, engin…

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