Forum Discussion

burlmart's avatar
burlmart
Explorer
Apr 19, 2014

Do all size 78 engine batteries mount identically at base?

Our MH is over 9 years old and its original AC Delco size 78 side terminals batt has been on life support for some time now. Overnite shore charging before a trip allow it to start engine and even do...
Class C
grandpaswagon's avatar
grandpaswagon
Explorer
Apr 20, 2014
Been using Costco group 78 for many years on several GM cars with no problems. Every one has had the mount as you describe. Which is not to say all 78 types from all makers must be that way, but Costco is. I have never seen a 78 battery not that way.

Good value with 36/100 warranty.

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