This is what I use:

[...] odid=12139&drilldown=265094&mfgdsc=&mfgcode=ALL&modelno=12+ Volts+%2F+12+Ah&groupname=Sealed+Lead+Acid&groupcode=SLA [[...]]

I've added 12" leads to both terminals with alligator clips on the ends. The small battery in conjuction... Login to read more.