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Forum: Electrical: Batteries, Generators & Solar 05-04-2011, 16:38
Replies: 189
Views: 82,896
Posted By goboatingnow
I don't disagree but I find I have close to 100...

I don't disagree but I find I have close to 100 ah/24 hours at anchor I then find that my panels are mostly just servicing the ongoing consumers. Little or nothing is going to top up the batteries....
Forum: Electrical: Batteries, Generators & Solar 05-04-2011, 15:45
Replies: 189
Views: 82,896
Posted By goboatingnow
This debate seems to be orientated towards boats...

This debate seems to be orientated towards boats that are static. I don't know about you but I developed my energy model based on the case of the boat moving under sail.

I wanted a system that...
Forum: Electrical: Batteries, Generators & Solar 05-04-2011, 15:16
Replies: 189
Views: 82,896
Posted By goboatingnow
I disagree in fact most car alternators are now...

I disagree in fact most car alternators are now designed to top up maintenance free batteries and set the max charging voltage at around 14 v especially as they are not temperature compensated. I've...
Forum: Electrical: Batteries, Generators & Solar 05-04-2011, 03:32
Replies: 189
Views: 82,896
Posted By goboatingnow
Re: Which Battery Monitor ?

for proper bbattery charging, the internal. "car" regulator in your alternator is a terrible choice. Any decent alternator should have an external marine suitable regulator, many of which are 3...
Forum: Electrical: Batteries, Generators & Solar 15-03-2011, 13:33
Replies: 189
Views: 82,896
Posted By goboatingnow
Mark can I ask you two questions (a) how...

Mark can I ask you two questions

(a) how do you know your link 10 is accurate ? How can you claim 1%. What are you comparing it with

(b) you claim all the link 10 does is amp hour counting....
Forum: Electrical: Batteries, Generators & Solar 15-03-2011, 05:46
Replies: 189
Views: 82,896
Posted By goboatingnow
Re: Which Battery Monitor ?

The primary problem with battery monitors is that what the user wants is a "fuel gauge". That ie the State of Charge ( or Discharge). However this quantity cannot be measured directly using terminal...
Forum: Electrical: Batteries, Generators & Solar 15-03-2011, 05:07
Replies: 189
Views: 82,896
Posted By goboatingnow
Re: Which Battery Monitor ?

Mark , I agree and disagree,

The reason most alternators do a bad job is the problem of automtive style alternators which are not designed for battery charging at all. If you replace the high...
Forum: Electrical: Batteries, Generators & Solar 15-03-2011, 03:51
Replies: 189
Views: 82,896
Posted By goboatingnow
Re: Which Battery Monitor ?

Its really hard to impart information SvenG, when people constantly put up black and white arguments

Mike, your statement is simply not true and be validated by compariing accurate hydrometer...
Forum: Electrical: Batteries, Generators & Solar 14-03-2011, 16:18
Replies: 189
Views: 82,896
Posted By goboatingnow
Hold your horses there, Wh are a measure of...

Hold your horses there, Wh are a measure of energy used. Ah is a measure of electric charge. Watts is a measure of power.

At a fixed voltage watt hours and amp hours are measuring the same...
Forum: Electrical: Batteries, Generators & Solar 14-03-2011, 15:39
Replies: 189
Views: 82,896
Posted By goboatingnow
Re: Which Battery Monitor ?

Mark, keep the day job, firstly its Ah, secondly blindly counting Ah's is the worst way to determine state of charge. ( as to you comment re tenths of an amp, is that becuase you have 1 place after...
Forum: Electrical: Batteries, Generators & Solar 14-03-2011, 15:04
Replies: 189
Views: 82,896
Posted By goboatingnow
Re: Which Battery Monitor ?

Actually % Discharge is the hardest thing for a monitor to do Remember % discharge is in effect State of Charge , Ultimately SoC is what we want to know. Battery monitors have a problem as they cant...
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