i have a optima yellow top and i love this thing, i never have any battery problems anymore with my system, my friend has a red top and he wants to upgrade, his battery always dies on him when hes doing stuff and after a couple recharges, its dun, but he has the warrinty on it so he got a couple free batterys, he wants to see it and get a yellow top, i got mine for my old car that fits the bigger battery, so when i got my honda, i had to take the mounting brackets off to make it fit, but its snug, and this has more amps and power then the smaller yellow top that fits in the tray..heres a pic, i still have to get new terminal connecters and take off the zip ties that are just temporary..


[IMG]local://upfiles/2140/8188A1E6FF0848568EF5741310C59A35.jpg[/IMG]

 

Ahhhh, you know your batteries!