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Posts: 1455
Location: Kronenwetter, WI | I was poking around the web and came across this advice:
"Like a NiCad battery, a deep cycle marine battery must be "trained" in order to do its job at maximum efficiency levels. Let me give you the guaranteed recipe for disappointment. Take anew, fully charged battery and discharge it slightly. Then, put a light charge on it to top it off. Do that several times in a row and you now have a great big battery with nearly no usable power. The battery has been trained to have a shallow charge memory. Weird, but true. For best results a deep cycle 'battery should be worked hard, discharged heavily and then correctly recharged, fully."
So my practice of plugging in after every trip (24v TM system), even a short 3 hour outing is wrong? I should use the same charge on multiple shorter outings until I see the batteries are notably discharged? |
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Posts: 2323
Location: Stevens Point, WI | Yep, that's correct. I gauge my charging on how I fish and the weather I see. If I'm fishing in winds 10-30mph or whatever for more than 8 hours, the charger goes on. Or, like today, fished for 4-6 hours total, but with almost no wind. I won't put the charger on.
I've been charging my batteries this way for years and have had very good success. I ran a 2001 Alumacraft till 2007, that boat saw one set a batteries and they were still going strong when I sold the boat.
My suggestion, get the biggest batteries you can, and you'll be good. Been running 31 Blue Top Optima's for about a year now and I'm extremely happy, longest run time I've ever seen with batteries! |
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Posts: 218
| That is the opposite of every article I have read in publications such as InFiherman, Bass Master, Bassin Times, Walleye Insider and Esox Angler. All recommend the immidiate recharge of a deep cycle battery. Most go on to recommend that a deep cycle battery not be drained down completely. This usually works for me.
Run time on any battery will be shorter if it has a heavier boat to pull.
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Posts: 2753
Location: Mauston, Wisconsin | Another urban legend. Southshore is right, they need to be recharged as soon as possible. Lead-acid batteries don't develop a memory!
TJ- Shallow discharges w/o recharge - it all depends on your definitions. But, you are affecting the battery life.
Have fun!
Al |
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Posts: 582
| I agree. Charge them right away. I charge mine after every outing whether it be 2 hours or 8 hours. I always keep them full. I am going on year 4 with Walmart batteries that still work great. LAcid batteries do NOT form a memory and can be charged. With todays chargers, i think we are even safer than we were just 10 years ago. |
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Posts: 96
Location: Eau Claire | Just got rid of a 9 year old battery that I charged after every outing. It just started not holding a full charge this year after it was stored this winter uncharged. |
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Location: Little Arbor Vitae Lake, WI | I've been using the same battery for my trolling motor for 15 years. I charge it every time I go fishing, weather I used it two or twelve hours the previous outing. |
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Posts: 253
Location: On the water | I also charge after every outing and have had long life with my batteries. |
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Posts: 619
| charge after every outing |
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Posts: 536
| yah the lead acid batteries will not gain a memory, I believe it is the lithium type batteries that do this! best thing to do with acid batteries is to keep em up all the time, longer there up the longer they stay up! |
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Posts: 395
Location: NW WI | Charge after every outing. |
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Posts: 96
Location: Eau Claire | Over charging a battery obviously has an effect on it's life. I just got an automatic charger and couldn't be happier. It's shuts off when the charge is full. |
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Posts: 69
Location: Pittsburgh | Good fishin everyone here are definitive answers with explanation http://www.vonwentzel.net/Battery/00.Glossary/index.html
Keepin it simple |
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taking care of deep cycle batteries