Glossar

DC-DC charger

Auch B2B charger, Battery-to-battery charger

Kurz definiert

A DC-DC converter between starter and house battery that turns the alternator voltage into a regulated charge with its own profile — regardless of what the alternator delivers.

In der Praxis

It is the answer to two problems: a standard alternator whose voltage is too low for the house battery bank, and a lithium battery bank that should not be charged directly by the alternator.

Its size is limited by the alternator, not by the battery bank: a DC-DC charger draws its current via the starter side, and the alternator must be able to deliver it continuously.

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