Yeah, the whole battery situation is quite frustrating. Between not being able to open the trunk manually, and the key getting held in the ignition. ugh.
That said, I just got a new duralast platinum AGM battery (similar to optima). Fit great, and miles better than the one I had before.
2009 PBM GT
Under the Knife Again
Wiseco Pistons, K1 Rods, Johnson Lifters, BLP Keep Hatin' PDS Cam, Roto-Fab, BLP Ported Intake and Throttle Body, Kooks 1-7/8 long tubes, XForce Varex Catback, ZL1 Converter, Camaro Trans Pan/Filter, GXP Brembos
Breyton GTS-AV Wheels, 6k HIDs, Holden Steering Wheel and Paddle Shifters, Eibach Springs, 35% Tint
Tuned by Day Tuning