How long does an AGM Battery Last?
We purchased an '09 TT a few weeks back. The battery is a 4D Powerstride Lifeline AGM that seems to be working well and is clean. I have no idea when it was installed, but I've got to assume that it'...
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Lifeline is IMHO a respectable, responsible, OEM. It would pay you well to read, understand and follow Lifeline's maintenance recommendations for this accumulator. Volts, amps, temperature, the whole bag of wax. Especially ponder the Depth of discharge cycles chart.
