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Forum: Electrical: Batteries, Generators & Solar

15-02-2012, 14:31

Replies: 67

Optimal Charging Regimen - Wet Cells

Views: 9,286

Posted By btrayfors

Re: Optimal Charging Regimen - Wet Cells

12.4VDC is 25% discharged, not 50%. 50% is 12.2VDC.

No, that's not necessarily an indication of the need to equalize the batteries or of a loss of capacity. Why? For one thing, your Link...

Forum: Electrical: Batteries, Generators & Solar

13-02-2012, 14:54

Replies: 67

Optimal Charging Regimen - Wet Cells

Views: 9,286

Posted By btrayfors

Re: Optimal Charging Regimen - Wet Cells

US Battery recommends an absorption voltage of 14.4. They then talk about a "finish charge" of about 15.3V, same as their recommendation for an equalization voltage.

In practice, what will...

Forum: Electrical: Batteries, Generators & Solar

11-02-2012, 16:49

Replies: 67

Optimal Charging Regimen - Wet Cells

Views: 9,286

Posted By btrayfors

Re: Optimal Charging Regimen - Wet Cells

The problem with US Battery's charging recommendations is that they are geared to shore-based situations (like solar) and not to boats. They are totally impractical for boats, IMHO. Like, who's...

Forum: Electrical: Batteries, Generators & Solar

19-01-2012, 17:25

Replies: 67

Optimal Charging Regimen - Wet Cells

Views: 9,286

Posted By btrayfors

Re: Optimal Charging Regimen - Wet Cells

You can parallel two identical Iota chargers without difficulty. They make a special IQ-4 smart-charge option for just that purpose.

The limiting factor would be the capacity of the Honda...

Forum: Electrical: Batteries, Generators & Solar

19-01-2012, 17:06

Replies: 67

Optimal Charging Regimen - Wet Cells

Views: 9,286

Posted By btrayfors

Re: Optimal Charging Regimen - Wet Cells

I would steer clear of Xantrex-anything (except the EchoCharge). There are much better choices and there is much better after-sale support from other manufacturers.

I think you are misjudging...

Forum: Electrical: Batteries, Generators & Solar

19-01-2012, 14:36

Replies: 67

Optimal Charging Regimen - Wet Cells

Views: 9,286

Posted By btrayfors

Re: Optimal Charging Regimen - Wet Cells

Sterling makes an excellent very smart charger which has been winning rewards and turning heads. Unfortunately, the largest in the series is 60A. But, it's power-factor corrected and will easily...

Forum: Electrical: Batteries, Generators & Solar

18-01-2012, 18:24

Replies: 67

Optimal Charging Regimen - Wet Cells

Views: 9,286

Posted By btrayfors

Re: Optimal Charging Regimen - Wet Cells

I agree with the comment about your daily usage, i.e., when you become an active cruiser you're more likely to have a daily consumption in excess of 100AH.

Re: getting a full charge, it's kind of...

Forum: Electrical: Batteries, Generators & Solar

18-01-2012, 14:45

Replies: 67

Optimal Charging Regimen - Wet Cells

Views: 9,286

Posted By btrayfors

Re: Optimal Charging Regimen - Wet Cells

Akio,

Good questions. You have exactly the same setup I have with six T-105's for my house bank.

What I believe you're getting at is charging efficiency, i.e., the percentage of applied...

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