What’s Involved in Setting Up a Lithium Battery System?

Transforming a big cat into a true liveaboard/workaboard with a bank of lithium batteries and attendant charging and monitoring.

A lithium conversion requires a willing owner and a capable craft. Enter the Privilege 435 catamaran Confianza.
To find out if running A/C on batteries aloneis feasible, we once again turned to the Prestige 435 catamaran project boat Confianza.

Our 2004 Privilege 435 Confianza (Connie for short) came equipped with traditional lead-acid batteries—5 100ah for the house bank and 2 starter batteries. We had a Northern Lights generator that we felt had roughly a million hours on it and was acting up. Our two stock alternators would give us some charge, but quite slowly. The problem with charging lead acid is that it takes forever to reach full charge because of the absorption phase.

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Adam Morris
A lifelong sailor, Adam Morris spent his formative years sailing dinghies at Raritan Yacht Club in New Jersey, a foundation that paved the way for his current life as a liveaboard on SV Confianza, affectionately known as Connie. He and his co-captain, Angie, embrace the sea full-time, balancing passion for cruising with the demands of working remotely from their floating home. As the voice behind clevermariner.com, Adam chronicles their journey through the complexities of upgrading, maintaining, and outfitting Connie for a lifestyle that merges the freedom of the open sea with the necessities of full-time work and living.