Alternator question


Silver Member
Username: Steve_collins

Post Number: 164
Registered: Dec-05
well i have a jeep grand cherokke and it has a 5.2 liter v8 with a high-output 150-amp alternator. whats the max amount of watts rms i could put on that and thanks a lot

Silver Member
Username: Rick_ross

Post Number: 419
Registered: May-06
the max u should put on it is 1000 rms but id put 2000 on it

Silver Member
Username: Steve_collins

Post Number: 165
Registered: Dec-05
so 1000 is the max?

Gold Member
Username: Theelfkeeper

Stockbridge, GA USA

Post Number: 2666
Registered: Feb-05
150A X 13.8V = 2070 watts max

but that doesn't take into consideration the what the car itself needs. generally its said 40-50 amps are needed for the car. so that'll cut you back to around 1400 watts you can pull.

also doesn't consider the effiency of the amps.

Silver Member
Username: Mendonmafia


Post Number: 156
Registered: Aug-06
Are you shure 50 amps to run everything im my car seems like not that much i mean i got power seats mirrors 360 watt factory amp power steering tcs scs tons of sh*t idk maybe it does but 50 amps just seems low to me i was thinking maybe 60 to 70 but idk. its just my guess.
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