Lithium-Ion and LFP Battery Fires: The Real Risks Sailors Face
Lead-acid isn't risk-free either, but lithium-ion and LFP batteries introduce new fire hazards every sailor should understand before switching.

Before we consider the safety issues of lithium-ion batteries, we should remember that lead acid batteries are not without risk. Apart from the obvious risk of a sulfuric acid spill or exposure, there are other concerns. Under heavy charge or discharge they can give off heat and gases which can be corrosive, explosive, and poisonous in high enough quantities.
A viewer of a recent Practical Sailor video commented that a hydrogen sulfide discharge from his lead acid battery nearly killed him (his words), while under charge overnight. It was a quality charger, on shore power, but it seemingly delivered an excessive charge (possibly because of a battery fault). Thankfully, the smell woke him and alerted him to the issue.


























