Li batteries at 48vdc
After much deliberation and questions, I'll likely be purchasing the 48v Lithium battery pack instead of 4-12v. I liked the idea of 12v batteries for weight and ease of handling, but the possible cel...
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2oldman wrote:N8GS wrote:They say it's not necessary. I cannot set its duration.
You might want to quiz your supplier as to the need to float..
Sorry don't want to sound like a broken record on the float issue....
Floating or storing LifePo4 cells -pouch, prismatic, cylindrical, at 90-100% is harmful to long term life.
Harmonizing charging sources is the great challenge "right now" to implementing a LFP system. Typical RV is going to have at least 2 charge sources and could have 4 or more. All these charge sources need to be controlled properly to ensure a long service life without severe capacity degradation.
Look at this link for some info in layman's terms. This is a marine electrician that has been doing LFP on boats, including his own, for a while now.
http://www.pbase.com/mainecruising/lifepo4_on_boats
