Do I need a BCDC charger?

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5th January 2018, 10:48 AM
trout1105

Quote:

Originally Posted by Mick_Marsh

So, a voltmeter will

Where can I get one of those magical voltmeters then?

eBay is your friend here [thumbsupbig]
5th January 2018, 10:48 AM
Vern

Matson Bluetooth Wireless Battery Monitor - Supercheap Auto

These seem like a pretty good way to monitor your batteries
5th January 2018, 10:55 AM
trout1105

Quote:

Originally Posted by Vern

Matson Bluetooth Wireless Battery Monitor - Supercheap Auto

These seem like a pretty good way to monitor your batteries

The eBay ones go for $2-$3 each and most of them also have a temperature readout as well.[thumbsupbig]
5th January 2018, 11:06 AM
Mick_Marsh

Quote:

Originally Posted by trout1105

The eBay ones go for $2-$3 each and most of them also have a temperature readout as well.[thumbsupbig]

It doesn't monitor current nor does it plug into the cigarette lighter.
5th January 2018, 11:09 AM
Vern

Quote:

Originally Posted by trout1105

The eBay ones go for $2-$3 each and most of them also have a temperature readout as well.[thumbsupbig]

Ebay ones of the one i linked? Are they bluetooth as well?
All the ones i have seen on eBay (of what i linked) go from $40 and up.
5th January 2018, 11:36 AM
trout1105

Quote:

Originally Posted by Vern

Ebay ones of the one i linked? Are they bluetooth as well?
All the ones i have seen on eBay (of what i linked) go from $40 and up.

Not bluetooth,they just plug into any cigarrette lighter outlet.
5th January 2018, 11:38 AM
Vern

Quote:

Originally Posted by trout1105

Not bluetooth,they just plug into any cigarrette lighter outlet.

Yeah, not what i linked. We are on different pages once again.
5th January 2018, 11:39 AM
Milton477

Quote:

Originally Posted by John_D2

As the original poster I’m convinced that I don’t need a DCDC. There has been an awful lot of info posted, to which I’m grateful. Plus I’m grateful that I’ve run such thick cable as I’ve got plans to add extra batteries to the camper.

Something I may have missed though:

Is there a ‘I’m getting concerned that I’m not delivering enough volts’ number? Eg. say 13.5v is good, 13.0v = concerned, 12.0v=bad?

Seeing as you already have some Victron equipment may I suggest that you install a Victron BMV700 Battery Monitor on the camper battery. That way you will be able to see the state of the battery, what has been used in AH, state of charge in percent, voltage & amps flowing. You can get BMV's with built in bluetooth so you can monitor while driving. You will soon see if the battery is charging or not.
5th January 2018, 11:44 AM
trout1105

Quote:

Originally Posted by Vern

Yeah, not what i linked. We are on different pages once again.

Not really.
Both devices give you the voltage readout except that tbe ciggy lighter unit is far cheaper and less complicated to use.
5th January 2018, 12:49 PM
John_D4

Quote:

Originally Posted by Milton477

Seeing as you already have some Victron equipment may I suggest that you install a Victron BMV700 Battery Monitor on the camper battery. That way you will be able to see the state of the battery, what has been used in AH, state of charge in percent, voltage & amps flowing. You can get BMV's with built in bluetooth so you can monitor while driving. You will soon see if the battery is charging or not.

I do have the Bluetooth dongle that attaches to my Victron 100/30 mppt.

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