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Search took 0.00 seconds. Search: Posts Made By: john61ct
Forum: Electrical: Batteries, Generators & Solar 24-11-2018, 17:59
Replies: 73
Views: 11,396
Posted By john61ct
Re: Float voltage for Firefly batteries

Order 20, send back the inaccurate ones 8-)
Forum: Electrical: Batteries, Generators & Solar 22-11-2018, 16:36
Replies: 73
Views: 11,396
Posted By john61ct
Re: Float voltage for Firefly batteries

Ooh good stuff. What a great forum this is
Forum: Electrical: Batteries, Generators & Solar 22-11-2018, 08:06
Replies: 73
Views: 11,396
Posted By john61ct
Re: Float voltage for Firefly batteries

Or maybe will randomly become **more** accurate 8-)
Forum: Electrical: Batteries, Generators & Solar 16-11-2018, 08:37
Replies: 73
Views: 11,396
Posted By john61ct
Re: Float voltage for Firefly batteries

Yes, but so is what's required to run aircon, vs what most people think or are willing to install.

My WAG is one hour per 100AH ballpark.

Good writeup, no time to digest now, maybe others will...
Forum: Electrical: Batteries, Generators & Solar 16-11-2018, 06:11
Replies: 73
Views: 11,396
Posted By john61ct
Re: Float voltage for Firefly batteries

My (maybe silly here) suggestion is to have charger(s)

that are happy with any mains power worldwide

be the **only** thing that connects to shore power.

And then run all boat-mains loads...
Forum: Electrical: Batteries, Generators & Solar 16-11-2018, 06:03
Replies: 73
Views: 11,396
Posted By john61ct
Re: Float voltage for Firefly batteries

No worries, fun stuff.

Well there are some unclear areas maybe, but I think at least we clearly understand what they are.

As Donald Rumsfeld would put it, no more Unknown Unknowns, at least the...
Forum: Electrical: Batteries, Generators & Solar 16-11-2018, 05:57
Replies: 73
Views: 11,396
Posted By john61ct
Re: Float voltage for Firefly batteries

IMO throwing the baby out with the bathwater.

> I have a combo unit inverter charger (Xantrex RV2012GS with remote panel). I may eventually replace this

If terminating charging based on...
Forum: Electrical: Batteries, Generators & Solar 16-11-2018, 05:48
Replies: 73
Views: 11,396
Posted By john61ct
Re: Float voltage for Firefly batteries

Apparently Victron disabled the CCGX ability to terminate charge based on endAmps as reported by the BMV-712.

https://www.cruisersforum.com/forums/showthread.php?p=2493303
Forum: Electrical: Batteries, Generators & Solar 16-11-2018, 05:36
Replies: 73
Views: 11,396
Posted By john61ct
Re: Float voltage for Firefly batteries

Very likely FF was using Victron then.

So there you go!

All clear now?
Forum: Electrical: Batteries, Generators & Solar 16-11-2018, 05:34
Replies: 73
Views: 11,396
Posted By john61ct
Re: Float voltage for Firefly batteries

I agree, but given it is guaranteed to be inaccurate and noobs don't understand that, reasonable for them not to as well.

Have you contacted Bruce or FF TS to ask?
Forum: Electrical: Batteries, Generators & Solar 16-11-2018, 05:31
Replies: 73
Views: 11,396
Posted By john61ct
Re: Float voltage for Firefly batteries

That would be possible, using a cheap batt (starter?) to buffer the load-carrying float, maybe BMV to bring FF bank online if its voltage drops from bilge pumps.

But such complexity may be...
Forum: Electrical: Batteries, Generators & Solar 16-11-2018, 05:08
Replies: 73
Views: 11,396
Posted By john61ct
Re: Float voltage for Firefly batteries

That to me is like asking for a sledge hammer when standing in a fully stocked Swiss CNC-capable machine shop.

Easy to make your own using tailing amps to reset the BMV then counting AH down at a...
Forum: Electrical: Batteries, Generators & Solar 16-11-2018, 05:02
Replies: 73
Views: 11,396
Posted By john61ct
Re: Float voltage for Firefly batteries

That is still I believe an algorithmic "black box".

Definitely not just a simple voltage trigger

Noelec did some deep study and concluded Victron re-starts Bulk/Absorb cycles at a more frequent...
Forum: Electrical: Batteries, Generators & Solar 16-11-2018, 04:53
Replies: 73
Views: 11,396
Posted By john61ct
Re: Float voltage for Firefly batteries

13.2V is "still better". 13.4V is an acceptable "up to" in order to accommodate some buyers' non-adjustable existing hardware (marketing simplification).

No Float is optimal as with LFP.
Forum: Electrical: Batteries, Generators & Solar 15-11-2018, 05:02
Replies: 73
Views: 11,396
Posted By john61ct
Re: Float voltage for Firefly batteries

good call. I'd want to nail this down with support at some point, should not be this way. Is V at batt post same as measured by the controller?

> I do have a newly installed BMV-712 and it shares...
Forum: Electrical: Batteries, Generators & Solar 07-08-2018, 05:01
Replies: 73
Views: 11,396
Posted By john61ct
Re: Float voltage for Firefly batteries

Get pricing on Magnum & Sterling.

Can order online, drop ship to the marina.
Forum: Electrical: Batteries, Generators & Solar 07-08-2018, 05:00
Replies: 73
Views: 11,396
Posted By john61ct
Re: Float voltage for Firefly batteries

That is expensive, but it is not either-or.

Even if you have plenty of solar, there are times you need a mains charger anyway.

With the genny, when solar aline is not enough, best combo is...
Forum: Electrical: Batteries, Generators & Solar 06-08-2018, 17:47
Replies: 73
Views: 11,396
Posted By john61ct
Re: Float voltage for Firefly batteries

Sterling or Magnum should be as good, maybe quicker to source.
Forum: Electrical: Batteries, Generators & Solar 04-08-2018, 09:04
Replies: 73
Views: 11,396
Posted By john61ct
Re: Float voltage for Firefly batteries

Bruce's public pronouncements and current official documentation may be a compromise with the Indian co's marketing staff.

My understanding from past discussions, with longevity a priority and...
Showing results 1 to 19 of 19

 
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