In case you need one and are shopping in the US.
There is a 6/12V 3A Battery Tender model sold by Costco in the US for $39.99USD.
http://www.costcoweekender.com/2015...ery-charger-and-maintainer-costco-996821.html
This model seems specific to Costco as I couldn't find any other information on the OEM's site.
I saw a good stock of these in Bellingham on Tuesday.
There is a 6/12V 3A Battery Tender model sold by Costco in the US for $39.99USD.
http://www.costcoweekender.com/2015...ery-charger-and-maintainer-costco-996821.html
This model seems specific to Costco as I couldn't find any other information on the OEM's site.
I saw a good stock of these in Bellingham on Tuesday.