lithium ion marine battery
Introduction
Lead acid vs Lithium batteries: the facts
For over 100 years most rechargeable batteries used lead and sulphuric acid, first invented in 1859 by Gaston Plante. Then in 1970 along came lithium batteries which are 50% lighter, with no memory effect, up to ten times the cycle life, and able to give nearly all their rated capacity at even the highest discharge rates.
But lithium does have downsides. The first is cost, at up to four times the price of an equivalent output lead acid battery, and the second is safety. Lithium is a highly reactive metal that reacts violently with water, or even moisture in the atmosphere if the cell is damaged, and if it catches fire, using water to extinguish it only makes the situation worse.
Using compounds of lithium significantly reduces, but does not eliminate the fire hazard. Lithium cobalt oxide (LiCoO2) has high energy density but greater safety risks especially when damaged. Lower energy but safer compounds include lithium manganese oxide (LiMn2O4) and lithium iron phosphate (LiFePO4). The latter has become the material of choice for moderate performance batteries, and accounts for all the units we tested.
Advantage
Temperature Tolerant
Eco-Friendly
Non-Hazardous
High Performance
Application
Lithium Batteries for Sailboats
With onboard systems hosting a wide array of technologies and navigational tools it is crucial to take your power requirements into consideration. The marine elements can be harsh on equipment and durability is second to none. Torphan deep cycle lithium marine batteries offer excellent corrosion resistance as well as longer run times.
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