Thread: Disconnect the Battery while away?

I can't drive at the moment and my D4 has been sitting in the garage for a weeknight so
I have the Traxide dual battery

When I went to get in the car today I got the message low bsttery please start the car

The car started ok
But why the message

Rich

Originally Posted by Epic pooh

Ctek explicitly claim this risk arises from old style trickle chargers and that their method of charging does not entail this risk and they explicitly state that their chargers are safe for long term use due to their internal temperature monitor and other mumbo jumbo.

I too am a sceptic and a slow reluctant convert.

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the internal temp monitoring isnt for the battery, its for the device itself.

.

Originally Posted by wbowner

I can't drive at the moment and my D4 has been sitting in the garage for a weeknight so
I have the Traxide dual battery

When I went to get in the car today I got the message low bsttery please start the car

The car started ok
But why the message

Rich

Hi Rich and the voltage level for the warning is set at 12.2v, while my isolator cuts out at 12.0v but your D4 can be started from a battery with 11.58v.

The higher warning level is to give you a good chance to still be able to start the motor before the battery is too low to be able to start your motor.

BTW, if any landy is a daily town drive vehicle, you will be surprised how many have a voltage level of around 12.2v to 12.4v.

For those with the inclination, try measuring your cranking battery voltage in the morning, before you start your motor.

Again, many of you may be a bit surprised at how low your cranking batteries are.

Originally Posted by drivesafe

Hi Rich and the voltage level for the warning is set at 12.2v, while my isolator cuts out at 12.0v but your D4 can be started from a battery with 11.58v.

The higher warning level is to give you a good chance to still be able to start the motor before the battery is too low to be able to start your motor.

BTW, if any landy is a daily town drive vehicle, you will be surprised how many have a voltage level of around 12.2v to 12.4v.

For those with the inclination, try measuring your cranking battery voltage in the morning, before you start your motor.

Again, many of you may be a bit surprised at how low your cranking batteries are.

I was a bit surprised I got that message after a week or so. Any way it it is on the charger tonight. I have one of those CTEK 5 amp ones.

I will just have to get in to the habit of doing this now and again as others have.

It would be good to know what is drawing on the battery when it is All locked up and close down though.
My accessories are
traxide dual battery, I think the 4s set up
linear electronics LED gizmo to cater for LED lights in trailers
Tekonsha P3 brake controller

Could the installation of one of these cause some extra draw on the batteries.
Rich

What kind of charger was it eevo ?

the internal temp monitoring isnt for the battery, its for the device itself.

Yes, that's what I summarised from Cteks claims in my earlier post.

The higher amp models (15a and up) have a battery temp monitor.

With solar, the battery is allowed to settle ( rest ) at night.

BTW, up to a 10w solar panel can be used, with out a regulator.

Thanks Tim.

Tim,
If you use a timer to turn the charger on off, you could simulate the same as the solar charging as you mentioned above.



Rich

Originally Posted by Epic pooh

What kind of charger was it eevo ?



Yes, that's what I summarised from Cteks claims in my earlier post.

The higher amp models (15a and up) have a battery temp monitor.



Thanks Tim.

Forum rules say I can't cant answer that.

Not many people would have the 15amp model.

Hi All, just closing the loop on this thread that I started.

In the end, I did nothing (parked the Disco in the carport and turned the ignition off), came back 24 days later and it started first press without any hesitation - as did the Passat.

I don't know if that proves anything but at least the answer is here for the next punter that comes along!

Cheers

Dan