No, that won't work - it's a sealed AGM battery.

I did find some corrosion between the posts and adapter clamps and I can now read 5.75v. I doubt it's recoverable, but I'm going to make one last attempt to desulphate it with cleaner connections.

Frank

'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum