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Author Topic: Do I have to Unplug Battery Earth while Charging with CTEK Charger  (Read 287 times)

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polilara

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Hello, so Omega stands quite much in garage presently, used it last time during Christmas. I checked today that I still could open the doors with remote. I would like to keep it double locked so battery connected but can I now and then charge it with CTEK MXS 5.0 without disconnecting the battery?
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Re: Do I have to Unplug Battery Earth while Charging with CTEK Charger
« Reply #1 on: 08 February 2021, 14:49:57 »

If it's in the garage, leave it unlock/bonnet unlatched and disconnect the battery negative  ;)
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polilara

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Re: Do I have to Unplug Battery Earth while Charging with CTEK Charger
« Reply #2 on: 08 February 2021, 15:18:06 »

Ok, thanks. Perhaps Main Switch to minus is one solution. I was just wondering whether this modern chargher will destroy some electronic devices if used while battery connected.
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Re: Do I have to Unplug Battery Earth while Charging with CTEK Charger
« Reply #3 on: 08 February 2021, 15:20:48 »

Ok, thanks. Perhaps Main Switch to minus is one solution. I was just wondering whether this modern chargher will destroy some electronic devices if used while battery connected.

No, it won't, but best practice is to connect the Neg lead to a suitable point on the chassis/engine.
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Re: Do I have to Unplug Battery Earth while Charging with CTEK Charger
« Reply #4 on: 08 February 2021, 17:36:08 »

Ctek is fine to connect with batt on car.  Also, if you use the comfort lead, no sparks, so you can bolt straight on batt (which is what ctek needs anyway)
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polilara

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Re: Do I have to Unplug Battery Earth while Charging with CTEK Charger
« Reply #5 on: 09 February 2021, 14:06:11 »

OK, thanks for comments, want to have it double locked and alarm on.
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