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Forum: Fountaine Pajot

28-06-2018, 15:34

Replies: 36

Lucia 40: DIY Lithium Bank Install

Views: 9,069

Posted By john61ct

Re: DIY Lithium Bank Install

We were discussing a bank not being used for a few days or a week, say a weekend use pattern as is common for many boats.

Not long-term storage, although the ideal is similar treatment.

Forum: Fountaine Pajot

28-06-2018, 14:09

Replies: 36

Lucia 40: DIY Lithium Bank Install

Views: 9,069

Posted By john61ct

Re: DIY Lithium Bank Install

You don't hold it at a voltage, you charge to your selected point, then let it decline, which will be very slowly since it's completely isolated.

Then long before it gets critically low, you give...

Forum: Fountaine Pajot

28-06-2018, 13:45

Replies: 36

Lucia 40: DIY Lithium Bank Install

Views: 9,069

Posted By john61ct

Re: DIY Lithium Bank Install

Sorry I wasn't more clear.

LFP should not be Floated at any voltage.

As long as they're isolated, 12.1-2 should be fine for resting, self-discharge in a week or two will be negligible.

Only...

Forum: Fountaine Pajot

28-06-2018, 12:45

Replies: 36

Lucia 40: DIY Lithium Bank Install

Views: 9,069

Posted By john61ct

Re: DIY Lithium Bank Install

Best to keep the LFP bank isolated at as low SoC as possible when shore power is available. And cool if possible.

Just not so low you risk going "flat".

Cycling them unnecessarily will cost you...

Forum: Fountaine Pajot

28-06-2018, 08:17

Replies: 36

Lucia 40: DIY Lithium Bank Install

Views: 9,069

Posted By john61ct

Re: DIY Lithium Bank Install

Sounds great!

Are the REC setpoints user-adjustable?

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