Quote:
Originally Posted by bschisle
I'm trying to find build date for my napa 8148 batteries. BCI is GC2 other # 3-6729 & 8399611198-1. These no's are on all 6 batteries the only different no's are serial i.e 270409. Called nap and they couldn't help!
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There should be a colored circle sticker on 1 of the 4 sides. It will have a letter ( which indicates month A=Jan, B=Feb, etc) and a number (which designates the year 11=2011, 12=2012, etc).