mark6821
Member
Registered: 3rd Dec 02
Location: Barnsley (South Yorkshire)
User status: Offline
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Ive just fitted a 600w amp in my corsa i also have a panasonic cd unit. Ive noticed that my battery cant cope with it, it is the original battery. can anyone advise me on what to do. Shall i get a new battery with the same power or a higher power one.
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beatsri
Member
Registered: 16th Jan 03
User status: Offline
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Check watt the Ahm of the original battery is. If its a 1.0 or 1.2 it is probably 36ahm. This is what I had in my new corsa 1.2 sxi, i have since upgraded to a 55ahm (bought from vauxhall keeps the warrenty intact) and had no problems with dimming headlights etc.
I am running:
Pioneer 7400mp3 HU
pioneer 6x9s
infinity 6" in doors
JBL power series 400 rms (1600w MAX) sub
Alpine 757 V12 amp 350 rms (750w MAX)
Sony 4x100w bridged to 2 channel to power doors speakers.
REMEMBER not to buy to big a battery as the alternator has to charge it.
I spoke to Vauxhall direct and asked them what the biggest battery a 1.2 alternator could run, and they told be to go no bigger than 60ahm. Same for 1.0.
Hope this was of help.
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beatsri
Member
Registered: 16th Jan 03
User status: Offline
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The 55ahm battery from Vauxhall costs £50.
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dja
Member
Registered: 16th Nov 02
Location: Bolton,lancs
User status: Offline
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dont know about a corsa,but on my old nova i put a cavalier diesel battery on it and a calibra 100A alternator to replace the 55A alt.
Did the trick ok
Dave
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