Listers,

Last year, I installed a Blue Sea battery monitor and I’m a little perplexed 
about the readings I am seeing. 

Last night, before an amazing fireworks display at Hempstead Harbor (thanks to 
fellow Lister Neal Gallagher for the guest mooring), I looked at the display. 
Out of the 450 amp hours in the House bank, we had used around 6 amps between 
using the electric head, cell phone charging, etc. for several hours — with the 
display showing 99% capacity.  But the voltage was showing 12.38, which I 
understand to mean closer to 75%. 

Someone on a YouTube video said that the Voltage reading is not really the one 
to go by, as the voltage will increase when you start switching things off. 

Is that all true? Is what I’m seeing normal? Can one of you Amperage Aces or 
Voltage Vixens explain this to me? (Please keep it simple - way too much 
Romulan Ale and Klingon Blood Wine flowing last night.)

- Confused on City Island

All the best, 

Edd

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Edd M. Schillay
Captain of the “Starship Enterprise”
C&C 37+ | Sail No: NCC-1701-B
Venice Yacht Club | Venice, FL
www.StarshipSailing.com
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914.774.9767   | Mobile
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Sent via iPhone X
iPhone. iTypos. iApologize

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