How do you know when your trolling battery gives up its ghost?

[BADFISH]

THE PEOPLE AT AUTO ZONE AND CHECKER SHOULD HAVE A DEEP CYCLE TESTER, IT SHOULD BE READILY AVAILABLE, SO ILL GIVE YOU A NAME OF A WHOLESALE PLACE, IT IS STANDARD BATTERY, THEY ARE ON REDWOOD AND ABOUT 15TH SOUTH, IN SLC, THEY DO THE ACTUAL TEST OF THE FLUID IN THE BATTERY TO SEE WHAT THE ELECTRODE RATING IS, I DONT KNOW IF THEY CHARGE FOR IT BUT IT IS WORTH 5 BUCKS TO KNOW IF YOU HAVE TO REPLACE A 75 DOLLAR BATTERY. JUST A THOUGHT, I HAD. HOPE IT ALL HELPS.

LATERS,
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