Jeff continues his conversation with author, off-shore sailor and all-around marine systems guru, Nigel Calder.  In Part 2 of 2, Jeff and Nigel discuss lithium batteries, grounding systems, lightning strikes, high output alternators, a new solar panel and an exciting new development in lead-acid battery technology.  As well, Nigel is introducing his new Boat How To course designed to teach boaters how to be self-reliant on the water and save money fixing things yourself, BoatHowTo.