battery came today.
you DO have to put the acid in, but its a well thought out system and I didnt spill a single drop nor got any on my hands.
well thought out, comes with various screws and spacers for the terminals ( loose screws, im not really a fan of that)
and a nice instruction manual for acid fill up, and initial charging ( specs for 1.5 amps... smallest I have is 2amps, unless I rig a wal wart up..)
the 20l BS
is about the same size as an Odyssey pc625, so it will fit an oilhead GS
ill stick on a charger tonight
edit maybe not, immediatly after fillup, voltage shows 12.76 volts, manual recommends an initial charge though, so I will
looks like a solid deal for the $36 though so far