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Battery charging rate
#13313807
10/16/19 08:58 PM
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Joined: Dec 2007
Posts: 112
pocove
OP
Outdoorsman
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OP
Outdoorsman
Joined: Dec 2007
Posts: 112 |
What is the best Amperage to use to charge trolling motor batteries. Is it better to charge at 4 amps till fully charged or 10 - 15 amps till fully charged?
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Re: Battery charging rate
[Re: pocove]
#13313826
10/16/19 09:21 PM
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Joined: Dec 2014
Posts: 601
Larry Mosby
Pro Angler
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Pro Angler
Joined: Dec 2014
Posts: 601 |
A slower charge is better. 10 amps or more is a fast rate of charge and I wouldn't recommend it for your trolling batteries. I have an onboard charger on both my boats and it usually takes a few hours to reach full charge. Normally I leave my on board plugged in until I'm read to pull the boat out of the shop and go to the lake. It's automatic so it won't over charge and saves you from forgetting to go plug it in the night before that way.
Larry Mosby
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Re: Battery charging rate
[Re: pocove]
#13314546
10/17/19 03:26 PM
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Joined: Mar 2010
Posts: 25,659
T Bird
TFF Guru
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TFF Guru
Joined: Mar 2010
Posts: 25,659 |
Best bet is to use a multi stage charger like a Dual Pro series charger. It senses the condition of the battery and supplies the correct charging amperage between 1 and 15 amps. http://www.dualpro.com/product/professional-series/If your charger is a single stage unit you will have to monitor the battery condition closely to prevent overcharging regardless of the amp output. Nothing wrong with using 10-15 amp charge rate. Just have to monitor it.
Last edited by T Bird; 10/17/19 03:28 PM.
Okie by birth, Texan by choice. USAF "Thunderbirds" Alumni 1985-1989
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