Re: Trojan Battery lifespan?
As long as you are happy with your run time they are fine. They don't need to be changed out until they are practically dead as in won't hold a charge. Lifespan? I have seen some last close to 10 yrs if properly taken care of. But that is not usual. Usually lasts 5 to 6 yrs and they no longer hold much of a charge towards the end. Again ..unless you are unhappy with your runtime, keep them watered and charged and use them till they drop. No need to change just because they are old.
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