Ctek Multi XS3600 Hot while charging

Submitted: Wednesday, Mar 03, 2010 at 19:29
ThreadID: 76527 Views:7656 Replies:5 FollowUps:4
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Hi!
I just purchased my battery box setup.
1x ABR Sidewinder battery box
1x Fullriver DC105-12 AGM battery
1x Ctek multi XS 3600 Battery charger

Upon arrival I connected the battery to the battery box leads and saw that the battery meter wasn't full. So I connected the charger directly to the battery and left it for about 45minutes. I've noticed that the charger is warm-hot to he touch. The battery itself remains cool. I've googled around and found conflicting reports as to the normality of the chargers heat while charging. I was wondering if anybody knows if this is normal?

Thanks in advance,
Will
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Reply By: Sir Kev & Darkie - Wednesday, Mar 03, 2010 at 19:34

Wednesday, Mar 03, 2010 at 19:34
I have the same charger and Yes it does get hot to touch. Once the bulk of the charging is complete the charger temp drops.

Cheers Kev
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AnswerID: 407145

Follow Up By: CodMaster - Wednesday, Mar 03, 2010 at 19:47

Wednesday, Mar 03, 2010 at 19:47
Hi Kev, thanks for that. The battery meter at the time of charging shows 4/5 full, so I'm assuming the charger didn't have to go through the bulk charging stage. Yet it is still hot. Should I have the charger on 14.4v 0.8A or 14.4v 3.6A mode?
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FollowupID: 676984

Follow Up By: Member - Phil G (SA) - Wednesday, Mar 03, 2010 at 21:07

Wednesday, Mar 03, 2010 at 21:07
Will,
0.8 amp is only for batteries smaller than 14 Ah. 14.4V 3.6A is what you need.
Mind you, its a very small charger for a battery of that size. I'm not surprised it gets hot.
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FollowupID: 677003

Reply By: Member - Nick (TAS) - Wednesday, Mar 03, 2010 at 19:40

Wednesday, Mar 03, 2010 at 19:40
Yep, ours gets hot to touch to(underside),still going strong though.
AnswerID: 407146

Follow Up By: CodMaster - Wednesday, Mar 03, 2010 at 19:53

Wednesday, Mar 03, 2010 at 19:53
That's good to know. I'm just a bit worried at how this charger can last at these punishing heats. Good thing it came with warranty!
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FollowupID: 676986

Follow Up By: Member - Nick (TAS) - Wednesday, Mar 03, 2010 at 20:06

Wednesday, Mar 03, 2010 at 20:06
Well, while up north using ours in Kununurra with outside temps. of high 30's deg C, the CTEK was too hot to touch but kept on going.
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FollowupID: 676989

Reply By: Notso - Wednesday, Mar 03, 2010 at 19:46

Wednesday, Mar 03, 2010 at 19:46
Yep it will get quite hot especially when charging at full rate, there is a note in the instructions that says if it gets too hot it will reduce the charge rate to prevent overheating
AnswerID: 407148

Reply By: TerraFirma - Thursday, Mar 04, 2010 at 12:00

Thursday, Mar 04, 2010 at 12:00
Normal however make sure the Ctek has some ventilation.
AnswerID: 407221

Reply By: brigalow22 - Wednesday, Mar 24, 2010 at 08:10

Wednesday, Mar 24, 2010 at 08:10
Make sure that when connecting the clamps to the battery posts that you have a firm connection, as poor connections can generate a lot of heat as well
AnswerID: 410152

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