which battery charger?

Submitted: Saturday, Jan 10, 2009 at 18:16
ThreadID: 64994 Views:2430 Replies:4 FollowUps:1
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Hi all,
Have just purchased a 100amp/h deep cell commander battery to run my waeco 35lit fridge probably for 3 weeks of the year when we camp.
Now should i spend money on a "smart" charger or should i use my arlec 18amp battery charger that I dont know how it charges; its a loner from my father and as such is many years old.

Will a "good" charger extend the life of my $260 commander battery?
It seems there is so much to learn about what i thought was a rather simple topic!!
Deano
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Reply By: Mark Taylor - Saturday, Jan 10, 2009 at 20:16

Saturday, Jan 10, 2009 at 20:16
Mate, you'll need a "smart" charger for your battery. I have a 100 amp hour REMCO in my camper trailer and leave it permanently connected to a smart charger. As I have an analogue voltmeter (VDO 60mm brass marine type) and it draws around 200 m/amp so the charger is always cycling.

Nether the less, a smart charger will maintain and prolong the life of your battery.. I use a CTEK and it is very good. There are other brands around but the CTEK seems to be the most popular.

If your arlec is not a multi stage charger you will eventually stuff your battery if you leave it hooked up permanently.

Cheers

Mark T
AnswerID: 343615

Follow Up By: 1964Deano - Saturday, Jan 10, 2009 at 22:26

Saturday, Jan 10, 2009 at 22:26
Mark what model Ctek do u have and how much was it?
Deano
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FollowupID: 611457

Reply By: Bob Y. - Qld - Saturday, Jan 10, 2009 at 21:20

Saturday, Jan 10, 2009 at 21:20
Deano,

Have a Ctek 7 amp charger here, as well as a Ctek 25 amp, and I'd go for the bigger, albeit more expensive one. ($525)

We have a few vehicles here at present that aren't being driven regularly(no staff), and this morning, started charging all the batteries. Using the 25 amp charger, expected the N70Z battery in a 100 series to be fully charged tonight, but its not. Even if I forget it tomorrow, there'll be no damage to the battery.

The 7amp Ctek are a good, lightweight charger but they are soooo slow, that it would cost you a fortune in fuel, to run them off a small generator. However, if you're only using the battery for 3 weeks/year, then the 7 amp one might suffice, and you could leave it charging permanently, when you're not camping.

Regards,
Bob
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AnswerID: 343622

Reply By: Member - Ed. C. (QLD) - Sunday, Jan 11, 2009 at 00:25

Sunday, Jan 11, 2009 at 00:25
For competitive pricing on Ctek (and other) chargers, check out the offerings from ebay seller " 4wdextreme "

site link

I have no affiliation with this seller, but I have purchased several items (incl. 2x 15A Cteks) from him, and have been 100% satisfied with each transaction..

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"He who lie underneath automobile with tool in hand,
....Not necessarily mechanic!!"

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AnswerID: 343643

Reply By: Member - Rick P (NT) - Monday, Jan 12, 2009 at 12:18

Monday, Jan 12, 2009 at 12:18
Hi Deano
Do yourself a favour and just go out and buy the ctek 25000 (25amp) you won't regret it and next time you need a new battery for your fridge get a Century Marine Pro 600 it's what all the tour operaters in Kakadu are using now and getting up to 3 years out of them which is pretty good in our heat.

Rick P
AnswerID: 343858

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