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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...
BFL13's avatar
BFL13
Explorer II
Aug 05, 2013
When my U-2200s were charged up and then disconnected, they would drop to low 13s and then slowly drop to 12.8ish over a few days. Take several days to get down below 12.6.

You need to confirm the voltage reading with hydrometer readings. At 12.75 volts you should be seeing at least 1.275 SG if not higher.

Those batteries are not acting right, and the guy is trying to baffle you with BS about cycling them etc.

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