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Like2Travel's avatar
Like2Travel
Explorer
Aug 04, 2013

Two New US 2200 6 Volt Batteries will not hold voltage

I have recently bought two new US 6 volt batteries to replace two old Trojan T105s. The Trojans performed well for around 6-7 years. When I went to replace them, I discovered there was not a place nea...
pianotuna's avatar
pianotuna
Nomad III
Aug 05, 2013
The date code on Interstate batteries which start with the letter "U" such as the U2200 is 3 digits long. The code is engraved into the positive terminal. The first digit starting on the left side is a letter. “A" is for January, "B" is for February, etc. The second digit from the left side is a number. 7 = 2007, 8 = 2008, 9 = 2009, 0 = 2010, 1 = 2011, 2 = 2012, etc.

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