Lithium Batteris.

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D

Dmullen

Well-known member
Joined
Jul 23, 2021
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48
Fluid Motion Model
C-32 CB
Vessel Name
Selah
Has anyone replaced their AGM house batteries with Lithium batteries? When I purchased my boat, the previous owners had purchased two very nice Lithium [LiFEPO4] batteries along with a solar panel. Some say you can add them and some say you can't mix with A lead batteries. The only other lead batteries would be the engine battery and the thruster battery, in a different circuit. They would have a common alternator, inverter and battery charger I would imagine. My AGM batteries seem to not be able to handle the load.
 
I have done it. Others have too. There are different approaches. Here is a thread about my project:
viewtopic.php?f=5&t=16756&p=109585#p109585

If you search for “lithium” you will find a fair amount written about it.

John
 
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