This car has a new battery

Tiny
ANONYMOUS
  • 1990 MERCEDES BENZ 300E
  • 210,000 MILES

This car has a new battery. The alternator is putting out 13.2 volts, but after driving it for a day and a half the battery is dead. Why is it doing this?

Friday, November 30th, 2012 AT 1:57 AM

1 Reply

Tiny
CARADIODOC
  • EXPERT
  • 26,892 POSTS

13.2 volts is way too low. The voltage must be between 13.75 and 14.75 volts. You're running off the battery which won't last long.

Please consider a donation to help us answer more questions.
Was this
answer
helpful?
Yes
No
Friday, November 30th, 2012 AT 3:05 AM

Please login or register to post a reply.

Related Battery Dead Questions

Help us by donating