battery died

[Phoenix]

and the cars got a cat one alarm which will go off if i try to take the wires off the battery....i got no where to bump start it as i live on a real busy road and it wont chanrge up enough to stop the immobiliser cutting in using jump leads. as far as i can c my only option is to have a new battery sat next to the old one and get roughly 10 seconds of ear deathening noise....unless anyone else knows what i can do?

 

[Dink]

you need to jump start it but use a good chunky set of jump leads and turm on everything you can think of in the car