Features May 2011 Issue

Lithium-Ion Batteries for Powering Sailboats

Ready to re-power with a Li-ion setup? Read this first.

How far are we from Lithium-ion-powered boat engines? Practical Sailor is watching the developments of the lithium-ion battery in marine applications and hybrid electric-diesel engines for boats. In this article, we look at where the technology is currently and where the lithium-battery trend is heading. Mastervolt and Torqeedo are two of the major lithium-battery players in the recreational boating market. A third company, Valence Energy, is developing battery packs in both 12-volt and 19-volt configurations. PS also examines the differences in the lithium-ion chemistry, with a look at lithium-cobalt, lithium-cobalt nickel, lithium-iron phosphate, lithium-manganese, lithium-iron magnesium, or lithium-nickel-manganese-cobalt blends.

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