Battery charger, which one?

Hi all
In the market for a battery charger. Looking at output and quality before price.
The Ctek 25 Amp looks ok? Can get for $385 off ebay. Want to buy this item just once so am hoping to get a unit that will suit my needs now and into the future as well. Does the Ctek charge all types of batteries well or are there other better units around?
looking at 25 Amp as a minimum.

Thanks
Lyndon
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Reply By: Sand Man (SA) - Sunday, Jun 20, 2010 at 16:31

Sunday, Jun 20, 2010 at 16:31
The Ctek is regarded as the best charger available Lyndon.
If you can justify the initial purchase price, go for it. You will not be disappointed.

I have a "baby" XS 7000 (7 amp) which is all I need to maintain one battery at a time and am extremely happy with the performance and compact size.

The XS 7000 is suitable for any type of lead acid battery from 14-225Ah so you must have a serious battery bank mate. By lead acid, this includes wet cell, AGM, or Gell. (Is there any other kind?)


Bill.
Bill


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AnswerID: 421551

Follow Up By: Member - lyndon NT - Sunday, Jun 20, 2010 at 17:04

Sunday, Jun 20, 2010 at 17:04
Hi
Yeah at the moment about 200 ah to charge but in the future ----- who knows we could end up with an offroad van with 400 ah +. 7 ah is no good for us as with 2 fridges running this is about what we use without putting extra back into the batteries.
Cheers Lyndon
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Follow Up By: Member - res.q.guy (Vic.) - Sunday, Jun 20, 2010 at 18:49

Sunday, Jun 20, 2010 at 18:49
Hi Bill
Yes there is another .... Calcium Batteries.
I run 3 in the caravan, and 1 in the camper trailer which my Ctek XS15000 looks after.
Cheers
Neil
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Reply By: Battery Value Pty Ltd - Sunday, Jun 20, 2010 at 17:04

Sunday, Jun 20, 2010 at 17:04
Hello snail,

here's what other brands can't do:

Charge with 25A max current at a boost voltage setting of 14.8 for maximum battery cycle life.
Charge smaller batteries at a 50% reduced max charge current rate.
Get powered by the alternator via a cheap 300W inverter.
Offer adjustable overriding boost/absorption time limits (important when charging while load currents are present).
Charge two batteries independently from each other.
They don't have a 13.8V 1A flooded starter battery 'maintenance' output while the house batteries are being charged independently.
They can't be paralleled to give a whopping 50A or more max charging current.
Being used as a 25A 13.8V power supply.
Have full Australian electrical compliance/approval rating with the approval number actually printed on them, according to the law.
Australian EMC (c-tick) rated with the approval number printed on them, according to the law.
They can't be had for 275 bucks while offering all of the above and more.

There is more information in my profile.

Best regards, Peter
AnswerID: 421560

Follow Up By: Member - Mark E (VIC) - Monday, Jun 21, 2010 at 22:28

Monday, Jun 21, 2010 at 22:28
This will be the way I go shortly.

Personally I feel the CTEK chargers, whilst good are over-advertised for what they are and somewhat over priced.

Just my 02

CHeers,

Mark
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FollowupID: 692094

Reply By: Member - Boeing (PER) - Sunday, Jun 20, 2010 at 19:05

Sunday, Jun 20, 2010 at 19:05
Hi Lyndon, I have the Ctek 7000 (7amp) permanently hooked up to the two 100 amp hour batteries in the camper, with the charger being affixed as part of the electrical set up. The only thing running off the batteries is the 73 litre autofridge.
The charger is about 2 years old and is on 24/7 and has not missed a beat.
As you drive a Troopy, you obviously believe in quality so you will not be disappointed with the Ctek.


Cheers

Mark
AnswerID: 421573

Reply By: Goldfind (Dunsborough) - Sunday, Jun 20, 2010 at 20:31

Sunday, Jun 20, 2010 at 20:31
Lyndon,
I too have the C-Tek 7000, in fact I have two. One is in the caravan year round and the other one is usually in the boat set up with Dual batteries, and sometimes i will use it to recharge/recondition a battery.
I have found them to be the way to go,compared to a normal style charger that can cook your batteries in no time if you forget to monitor.
Wayne H
AnswerID: 421592

Reply By: Member - Norm C (QLD) - Monday, Jun 21, 2010 at 22:31

Monday, Jun 21, 2010 at 22:31
I have had a C Tek for several years. It started to give trouble a while back so I researched a replacement.

I ended up getting a Durst (Aust made) 45 Amp charger. It has a half power switch, so it can be switched to a 22.5 Amp charger if charging a smaller battery bank. Can independently charge two or three battery banks (depending on model) simultaneously. Charge voltage can be changed depending on the type of battery being charged.

While the C Tek is a good charger, it has none of these features.

The Durst and some other 'top end' chargers have these features and more.

We have a lot of batteries (3 AGMs in van, two AGMs in vehicle, one AGM in boat), so the investment in the bigger and more capable / flexible charger was well worthwhile.

Worth looking at others as well before you decide, particularly if you have multiple batteries.

Norm C
AnswerID: 421684

Follow Up By: Battery Value Pty Ltd - Monday, Jun 21, 2010 at 22:50

Monday, Jun 21, 2010 at 22:50
Hello Norm,

the Durst ones you're referring to are actually repackaged chargers, made by the same OEM manufacturer who makes Waeco chargers.
This quality OEM manufacturer is based in Taiwan.

Take a look at this 12V 25A model and see how similar it is to yours:


Best regards, Peter
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FollowupID: 692096

Follow Up By: Member - Norm C (QLD) - Tuesday, Jun 22, 2010 at 17:46

Tuesday, Jun 22, 2010 at 17:46
Thanks Peter. 'Very' similar. I stand corrected on where it is made. As you say a quality charger all the same.

Norm C
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Follow Up By: Member - lyndon NT - Tuesday, Jun 22, 2010 at 18:43

Tuesday, Jun 22, 2010 at 18:43
What model number do you have Norm?
It seems the one's I can see on the website (Durst) can only be used for large banks?
Anyone know how small a battery can be charged with a 25 amp Ctek?
We use 7 and 12 amp gel batteries to power camp lights sometimes.
Thanks Lyndon
Now is the only time you own
Decide now what you will,
Place faith not in tomorrow
For the clock may then be still

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Follow Up By: Member - Norm C (QLD) - Tuesday, Jun 22, 2010 at 20:56

Tuesday, Jun 22, 2010 at 20:56
It is a 1245B Lyndon. No good for your little camp light batteries. I suspect you will need a 1 or 2 Amp charger for them.

I'm not aware of a charger that can do something that small as well as 45 Amps.

Mine can do either 22.5 Amps or 45 Amps.

Norm C
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Follow Up By: Battery Value Pty Ltd - Tuesday, Jun 22, 2010 at 21:06

Tuesday, Jun 22, 2010 at 21:06
Hello Lyndon and Norm,

the ones I'm referring to are 25 amps unit, with a half power mode (i.e. 12.5 amps), plus a 1 amp 13.8V 'maintenance' output.

You could use this 13.8V 1 amp output to charge your small gels with.

More info in my profile.

Best regards, Peter
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Follow Up By: Battery Value Pty Ltd - Tuesday, Jun 22, 2010 at 21:15

Tuesday, Jun 22, 2010 at 21:15
sorry, forgot the diagram:

the 1 amp maintenance terminal wiring can be seen in figure 4 on page 3.
1 amp 13.8V maintenance output

Best regards, Peter
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FollowupID: 692193

Reply By: Member - lyndon NT - Tuesday, Jun 22, 2010 at 18:48

Tuesday, Jun 22, 2010 at 18:48
Opps another question, is the Ctek Aust made? Thinking of getting one of Ebay but don't want to shoot myself in the foot to save a couple of dollars!
Now is the only time you own
Decide now what you will,
Place faith not in tomorrow
For the clock may then be still

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AnswerID: 421773

Follow Up By: Member - Andrew (QLD) - Tuesday, Jun 22, 2010 at 19:13

Tuesday, Jun 22, 2010 at 19:13
Nope, made in China. Though they make it known that they are designed and developed in Sweden if that's of any help. ;)

Andrew
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