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Offline orbits

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Float charging battery connected to bike? (ctek)
« on: November 13, 2018, 09:00:13 PM »
Those with float / maintenance chargers (ctek, optimate, etc); anyone ever had any issues with float charging the battery whilst still connected to the bike electrics? P145/146 of the XR 2017 manual rather unhelpfully suggests one shouldn't do so as it risks damaging the bike electrics.... (unless of course I'd like to re-invest in BMW's own CANBUS charger - I dont!)

I just wish to install the Ctek fly-lead connector to the bike battery and plug-in when I'm not riding it. 

My Ctek MXS 5.0 was always just left maintaining a still-connected battery with my previous Suzuki and was never an issue - even on its 'Recondition' mode. The charger runs through several modes automatically, peak voltage on any of them is 15.8V according to the charger handbook.

Online Mareng1

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Re: Float charging battery connected to bike? (ctek)
« Reply #1 on: November 13, 2018, 09:04:47 PM »
Never had an issue, and wouldn't expect there to be any.


Offline Bree

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Re: Float charging battery connected to bike? (ctek)
« Reply #2 on: November 13, 2018, 10:12:12 PM »
 "Ditto" never had any problems, all my bike's are connected permanently. On the XR I bypass the canbus, and connect direct to the battery via fitted tails. Again never been a problem. I use both C-tek and Optimiser. 
Everything  Will Be Alright In The End, If Not Then Its Not The End.

Online wessie

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Re: Float charging battery connected to bike? (ctek)
« Reply #3 on: November 13, 2018, 10:33:21 PM »
follow the CTEK instructions, bypass the canbus by going straight to the battery (so easy on the XR)

BMW are just covering their arse in case someone connects an unregulated charger they knocked up in their shed from some old Lucas parts

Offline SimonUK

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Re: Float charging battery connected to bike? (ctek)
« Reply #4 on: November 13, 2018, 10:42:54 PM »
*Originally Posted by wessie [+]
BMW are just covering their arse in case someone connects an unregulated charger they knocked up in their shed from some old Lucas parts

Or just trying to get you to fork $$$ for their Canbus charger!!!. Pretty much every BMW I have bought here in the US has come with a dealer fitted SAE pigtail.

Offline bazzer

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Re: Float charging battery connected to bike? (ctek)
« Reply #5 on: November 14, 2018, 10:27:56 AM »
I have used both can bus and direct connected. I leave it direct connected now.

I was not convinced it was always keeping the power socket open.


Offline Martin

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Re: Float charging battery connected to bike? (ctek)
« Reply #6 on: November 14, 2018, 10:18:09 PM »
Same here, straight to the battery terminals via a fly-lead.  No issues so far.

Offline PaulS1000XR

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Re: Float charging battery connected to bike? (ctek)
« Reply #7 on: November 16, 2018, 10:00:57 AM »
I use the BMW charger via the Aux socket which works fine and is easy. The Ctec is not compatible with CANBUS so you can only charge via the battery terminals.  :305:
PSH

Offline Bree

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Re: Float charging battery connected to bike? (ctek)
« Reply #8 on: November 16, 2018, 12:47:09 PM »
Just as easy to plug direct to battery with pig tails. And you do not need a can-bus charger.
Everything  Will Be Alright In The End, If Not Then Its Not The End.

Offline Mally

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Re: Float charging battery connected to bike? (ctek)
« Reply #9 on: November 18, 2018, 08:27:53 AM »
I was at my local dealers yesterday and asked about using an Optimate and how it would affect the canbus system. He said it wouldn't work if it wasn't a canbus designed Optimate. I asked about the direct connection to the battery and again he said it wouldn't work. However he did say if you connected it directly to the battery, turn on the ignition to open all connections, then turn it off, it would allow it to work, but he did say some will still shut down after 30 seconds, so you need to be aware of it and check before you walk away.
hope that helps.

Mally

 


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