battery moniter .
Submitted: Monday, Dec 08, 2008 at 16:56
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friar
G/Day All, just been in the engel web page, the battery cut out & voltage moniter, seems the way I want to go, any one using this product .After having a Trailblazer with these features , it takes all the guess work out of when to charge the battery when
camping for extended periods. Thanking you Friar.
Reply By: George_M - Monday, Dec 08, 2008 at 19:45
Monday, Dec 08, 2008 at 19:45
G'day Friar
I use one of these devices with my Engel. As you say, it takes all the guesswork out of second-battery management. You can see at a glance how much charge is remaining, and the low voltage cut-out facility prevents the risk of of accidently flattening (and possibly killing) the battery. Highly recommended, however I'm a bit paranoid about these things...
George_m
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Reply By: Affordable Batteries & Radiators - Monday, Dec 08, 2008 at 21:19
Monday, Dec 08, 2008 at 21:19
Hi Friar
Battery monitors are a good idea but the cutout voltages are set to prevent battery failure but not best practice.
Use a good volt meter or battery monitor to keep your battery above 12V as the cut out of 10.5V or 11.5V is very low indeed.
Regards
Derek from ABR
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Follow Up By: Boobook2 - Wednesday, Dec 10, 2008 at 07:19
Wednesday, Dec 10, 2008 at 07:19
Derek is great not to push his own products, however I recently purchased a couple of the voltminders.
http://www.sidewinder.com.au/page125aa.html
They have alow voltage alarm that you can set. The good thing is that they alert you to a low voltage rather than you having to look all the time.
Nice little product.
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Reply By: Member - Rodney B- Monday, Dec 08, 2008 at 23:25
Monday, Dec 08, 2008 at 23:25
Hi Friar
Haven't got the Engel monitor but a few weeks back I fitted a battery monitor with a switch to check main and Aux and what a difference it makes to peace of mind..
No longer need to get out the multi metre and check a couple of times a day, I now just glance at the meter and compare the two batteries.
Max charge is 14.7 volts to both batteries and lowest I have got with the fridge on the Aux after a day and a half was 12.2 volts.
Wonder why I didn't fit one years ago.
Cheers Rod
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338882
Reply By: Member - Oldplodder (QLD) - Tuesday, Dec 09, 2008 at 15:29
Tuesday, Dec 09, 2008 at 15:29
Got a low voltage cut out on our fridge in the back of the car.
Similar to what Derek sells.
It cuts out at 11.5v, and as Derek says, is a bit low.
But then the voltage cut setting is when the fridge is running and you can have up to 0.5v drop when that is the case, so effective voltage after cut out is about 12.0v at the battery.
Have a look at the exploroz article on batteries for the graphs on voltage and capacity.
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338956