997Current model of the 911 C2, C2s, C4, C4S, Targa and Cabriolet Discussion. Sponsored ByHRE Wheels
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I've seen a number of threads concerning battery replacement and the confusion regarding which Interstate battery to use.
Well, my 5 year old Moll Porsche OEM battery finally refused to hold a charge last week. As a result I searched and researched for the proper Interstate (my chosen manufacturer) battery. I saw a lot of confusing threads regarding MTP-91, MTP-93, MTP-H7, MTP-H8, etc.
I decided after talking to my local Interstate retailer, Interstate Factory Rep and checking the physical and electrical characteristics to go w/ the Interstate MTP-H7. It's sized perfectly (fits the OEM footprint) and it's CCA is better than my Porsche OEM battery.
It has a 24 month (no cost) replacement and after that an 85 month pro-rated warranty. I didn't compare the weights to the Moll battery but my 'grunt' scale (lifting it out) suggested the Moll was heavier.