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Lithium on wake boats, explained.

The questions behind the questions. Written by the people engineering WakeTender, for owners, dealers and the engineers who have to sign off.

Can you use a lithium starting battery in a wake boat?

Yes for cranking, no for most drop-ins at the alternator. What actually matters, and what engine makers say.

The failure is the BMS disconnect, not the lithium. What a load dump is, how big it gets, and what stops it.

What the lithium battery standard requires, what it only recommends, and the one clause most drop-ins ignore.

Usable amp-hours, weight, charging and what four of each actually gives you at anchor.