Battery charger that plugs into aux socket

[Jesim1]

I'm sure this is lost in many posts, but I'm trying to find out which chargers plug into the BMW 12v socket and can charge the bike when it's off and laid up so I don't have to remove the seat for a top up in winter. So it should have the right size of connector, work when the bike is off, and be cam bus compatible, which many are not or don't have these features.

James

 

[er-minio]

The BMW one.
The Optimates.

 

[StevenF111]

Optimate 4 BMW, comes with the right connector


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[Gossy]

Quick question - is a lithium battery ever fitted as standard or would it be an optional extra ?